Improved support for GAE for Java thanks to Vince Bonfanti

h2/src/main/org/h2/server/web/WebApp.java

+/*
+ * Copyright 2004-2009 H2 Group. Multiple-Licensed under the H2 License,
+ * Version 1.0, and under the Eclipse Public License, Version 1.0
+ * (http://h2database.com/html/license.html).
+ * Initial Developer: H2 Group
+ */
+package org.h2.server.web;
+
+import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileWriter;
+import java.io.PrintStream;
+import java.io.PrintWriter;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.lang.reflect.Method;
+import java.security.SecureClassLoader;
+import java.sql.Connection;
+import java.sql.DatabaseMetaData;
+import java.sql.ParameterMetaData;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.sql.Types;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Random;
+
+import org.h2.api.DatabaseEventListener;
+import org.h2.bnf.Bnf;
+import org.h2.constant.ErrorCode;
+import org.h2.constant.SysProperties;
+import org.h2.engine.Constants;
+import org.h2.jdbc.JdbcSQLException;
+import org.h2.message.Message;
+import org.h2.tools.Backup;
+import org.h2.tools.ChangeFileEncryption;
+import org.h2.tools.ConvertTraceFile;
+import org.h2.tools.CreateCluster;
+import org.h2.tools.DeleteDbFiles;
+import org.h2.tools.Recover;
+import org.h2.tools.Restore;
+import org.h2.tools.RunScript;
+import org.h2.tools.Script;
+import org.h2.tools.SimpleResultSet;
+import org.h2.util.JdbcUtils;
+import org.h2.util.MathUtils;
+import org.h2.util.MemoryUtils;
+import org.h2.util.New;
+import org.h2.util.ObjectArray;
+import org.h2.util.ScriptReader;
+import org.h2.util.SortedProperties;
+import org.h2.util.StatementBuilder;
+import org.h2.util.StringUtils;
+import org.h2.util.Tool;
+
+/**
+ * For each connection to a session, an object of this class is created.
+ * This class is used by the H2 Console.
+ */
+public class WebApp implements DatabaseEventListener {
+
+    protected WebServer server;
+    protected WebSession session;
+    protected Properties attributes;
+    protected String mimeType;
+    protected long listenerLastEvent;
+    protected int listenerLastState;
+
+    protected boolean cache;
+    protected boolean stop;
+    protected String headerLanguage;
+
+    WebApp(WebServer server) {
+        this.server = server;
+    }
+
+    /**
+     * Set the web session and attributes.
+     *
+     * @param session the session
+     * @param attributes the attributes
+     */
+    void setSession(WebSession session, Properties attributes) {
+        this.session = session;
+        this.attributes = attributes;
+    }
+
+    /**
+     * Process an HTTP request.
+     *
+     * @param file the file that was requested
+     * @param the host address
+     * @return the name of the file to return to the client
+     */
+    String processRequest(String file, String hostAddr) {
+        int index = file.lastIndexOf('.');
+        String suffix;
+        if (index >= 0) {
+            suffix = file.substring(index + 1);
+        } else {
+            suffix = "";
+        }
+        if ("ico".equals(suffix)) {
+            mimeType = "image/x-icon";
+            cache = true;
+        } else if ("gif".equals(suffix)) {
+            mimeType = "image/gif";
+            cache = true;
+        } else if ("css".equals(suffix)) {
+            cache = true;
+            mimeType = "text/css";
+        } else if ("html".equals(suffix) || "do".equals(suffix) || "jsp".equals(suffix)) {
+            cache = false;
+            mimeType = "text/html";
+            if (session == null) {
+                session = server.createNewSession(hostAddr);
+                if (!"notAllowed.jsp".equals(file)) {
+                    file = "index.do";
+                }
+            }
+        } else if ("js".equals(suffix)) {
+            cache = true;
+            mimeType = "text/javascript";
+        } else {
+            cache = false;
+            mimeType = "text/html";
+            file = "error.jsp";
+            trace("Unknown mime type, file " + file);
+        }
+        trace("mimeType=" + mimeType);
+        trace(file);
+        if (file.endsWith(".do")) {
+            file = process(file);
+        }
+        return file;
+    }
+
+    private String getComboBox(String[] elements, String selected) {
+        StringBuilder buff = new StringBuilder();
+        for (String value : elements) {
+            buff.append("<option value=\"").
+                append(PageParser.escapeHtmlData(value)).
+                append("\"");
+            if (value.equals(selected)) {
+                buff.append(" selected");
+            }
+            buff.append('>').
+                append(PageParser.escapeHtml(value)).
+                append("</option>");
+        }
+        return buff.toString();
+    }
+
+    private String getComboBox(String[][] elements, String selected) {
+        StringBuilder buff = new StringBuilder();
+        for (String[] n : elements) {
+            buff.append("<option value=\"").
+                append(PageParser.escapeHtmlData(n[0])).
+                append("\"");
+            if (n[0].equals(selected)) {
+                buff.append(" selected");
+            }
+            buff.append('>').
+                append(PageParser.escapeHtml(n[1])).
+                append("</option>");
+        }
+        return buff.toString();
+    }
+
+    private String process(String file) {
+        trace("process " + file);
+        while (file.endsWith(".do")) {
+            if ("login.do".equals(file)) {
+                file = login();
+            } else if ("index.do".equals(file)) {
+                file = index();
+            } else if ("logout.do".equals(file)) {
+                file = logout();
+            } else if ("settingRemove.do".equals(file)) {
+                file = settingRemove();
+            } else if ("settingSave.do".equals(file)) {
+                file = settingSave();
+            } else if ("test.do".equals(file)) {
+                file = test();
+            } else if ("query.do".equals(file)) {
+                file = query();
+            } else if ("tables.do".equals(file)) {
+                file = tables();
+            } else if ("editResult.do".equals(file)) {
+                file = editResult();
+            } else if ("getHistory.do".equals(file)) {
+                file = getHistory();
+            } else if ("admin.do".equals(file)) {
+                file = admin();
+            } else if ("adminSave.do".equals(file)) {
+                file = adminSave();
+            } else if ("adminStartTranslate.do".equals(file)) {
+                file = adminStartTranslate();
+            } else if ("adminShutdown.do".equals(file)) {
+                file = adminShutdown();
+            } else if ("autoCompleteList.do".equals(file)) {
+                file = autoCompleteList();
+            } else if ("tools.do".equals(file)) {
+                file = tools();
+            } else {
+                file = "error.jsp";
+            }
+        }
+        trace("return " + file);
+        return file;
+    }
+
+    private String autoCompleteList() {
+        String query = (String) attributes.get("query");
+        boolean lowercase = false;
+        if (query.trim().length() > 0 && Character.isLowerCase(query.trim().charAt(0))) {
+            lowercase = true;
+        }
+        try {
+            String sql = query;
+            if (sql.endsWith(";")) {
+                sql += " ";
+            }
+            ScriptReader reader = new ScriptReader(new StringReader(sql));
+            reader.setSkipRemarks(true);
+            String lastSql = "";
+            while (true) {
+                String n = reader.readStatement();
+                if (n == null) {
+                    break;
+                }
+                lastSql = n;
+            }
+            String result = "";
+            if (reader.isInsideRemark()) {
+                if (reader.isBlockRemark()) {
+                    result = "1#(End Remark)# */\n" + result;
+                } else {
+                    result = "1#(Newline)#\n" + result;
+                }
+            } else {
+                sql = lastSql;
+                while (sql.length() > 0 && sql.charAt(0) <= ' ') {
+                    sql = sql.substring(1);
+                }
+                if (sql.trim().length() > 0 && Character.isLowerCase(sql.trim().charAt(0))) {
+                    lowercase = true;
+                }
+                Bnf bnf = session.getBnf();
+                if (bnf == null) {
+                    return "autoCompleteList.jsp";
+                }
+                HashMap<String, String> map = bnf.getNextTokenList(sql);
+                String space = "";
+                if (sql.length() > 0) {
+                    char last = sql.charAt(sql.length() - 1);
+                    if (!Character.isWhitespace(last) && (last != '.' && last >= ' ' && last != '\'' && last != '"')) {
+                        space = " ";
+                    }
+                }
+                ArrayList<String> list = New.arrayList(map.size());
+                for (Map.Entry<String, String> entry : map.entrySet()) {
+                    String key = entry.getKey();
+                    String value = entry.getValue();
+                    String type = "" + key.charAt(0);
+                    key = key.substring(2);
+                    if (Character.isLetter(key.charAt(0)) && lowercase) {
+                        key = StringUtils.toLowerEnglish(key);
+                        value = StringUtils.toLowerEnglish(value);
+                    }
+                    if (key.equals(value) && !".".equals(value)) {
+                        value = space + value;
+                    }
+                    key = StringUtils.urlEncode(key);
+                    key = StringUtils.replaceAll(key, "+", " ");
+                    value = StringUtils.urlEncode(value);
+                    value = StringUtils.replaceAll(value, "+", " ");
+                    list.add(type + "#" + key + "#" + value);
+                }
+                Collections.sort(list);
+                if (query.endsWith("\n") || query.trim().endsWith(";")) {
+                    list.add(0, "1#(Newline)#\n");
+                }
+                StatementBuilder buff = new StatementBuilder();
+                for (String s : list) {
+                    buff.appendExceptFirst("|");
+                    buff.append(s);
+                }
+                result = buff.toString();
+            }
+            session.put("autoCompleteList", result);
+        } catch (Throwable e) {
+            server.traceError(e);
+        }
+        return "autoCompleteList.jsp";
+    }
+
+    private String admin() {
+        session.put("port", "" + server.getPort());
+        session.put("allowOthers", "" + server.getAllowOthers());
+        session.put("ssl", String.valueOf(server.getSSL()));
+        session.put("sessions", server.getSessions());
+        return "admin.jsp";
+    }
+
+    private String adminSave() {
+        try {
+            Properties prop = new SortedProperties();
+            int port = MathUtils.decodeInt((String) attributes.get("port"));
+            prop.setProperty("webPort", String.valueOf(port));
+            server.setPort(port);
+            boolean allowOthers = Boolean.valueOf((String) attributes.get("allowOthers")).booleanValue();
+            prop.setProperty("webAllowOthers", String.valueOf(allowOthers));
+            server.setAllowOthers(allowOthers);
+            boolean ssl = Boolean.valueOf((String) attributes.get("ssl")).booleanValue();
+            prop.setProperty("webSSL", String.valueOf(ssl));
+            server.setSSL(ssl);
+            server.saveSettings(prop);
+        } catch (Exception e) {
+            trace(e.toString());
+        }
+        return admin();
+    }
+
+    private String tools() {
+        try {
+            String toolName = (String) attributes.get("tool");
+            session.put("tool", toolName);
+            String args = (String) attributes.get("args");
+            String[] argList = StringUtils.arraySplit(args, ',', false);
+            Tool tool = null;
+            if ("Backup".equals(toolName)) {
+                tool = new Backup();
+            } else if ("Restore".equals(toolName)) {
+                tool = new Restore();
+            } else if ("Recover".equals(toolName)) {
+                tool = new Recover();
+            } else if ("DeleteDbFiles".equals(toolName)) {
+                tool = new DeleteDbFiles();
+            } else if ("ChangeFileEncryption".equals(toolName)) {
+                tool = new ChangeFileEncryption();
+            } else if ("Script".equals(toolName)) {
+                tool = new Script();
+            } else if ("RunScript".equals(toolName)) {
+                tool = new RunScript();
+            } else if ("ConvertTraceFile".equals(toolName)) {
+                tool = new ConvertTraceFile();
+            } else if ("CreateCluster".equals(toolName)) {
+                tool = new CreateCluster();
+            } else {
+                throw Message.throwInternalError(toolName);
+            }
+            ByteArrayOutputStream outBuff = new ByteArrayOutputStream();
+            PrintStream out = new PrintStream(outBuff, false, "UTF-8");
+            tool.setOut(out);
+            try {
+                tool.run(argList);
+                out.flush();
+                String o = new String(outBuff.toByteArray(), "UTF-8");
+                String result = PageParser.escapeHtml(o);
+                session.put("toolResult", result);
+            } catch (Exception e) {
+                session.put("toolResult", getStackTrace(0, e, true));
+            }
+        } catch (Exception e) {
+            server.traceError(e);
+        }
+        return "tools.jsp";
+    }
+
+    @SuppressWarnings("unchecked")
+    private String adminStartTranslate() {
+        Map<Object, Object> p = (Map<Object, Object>) session.map.get("text");
+        String file = server.startTranslate(p);
+        session.put("translationFile", file);
+        return "helpTranslate.jsp";
+    }
+
+    protected String adminShutdown() {
+        server.shutdown();
+        return "admin.jsp";
+    }
+
+    private String index() {
+        String[][] languageArray = server.getLanguageArray();
+        String language = (String) attributes.get("language");
+        Locale locale = session.locale;
+        if (language != null) {
+            if (locale == null || !StringUtils.toLowerEnglish(locale.getLanguage()).equals(language)) {
+                locale = new Locale(language, "");
+                server.readTranslations(session, locale.getLanguage());
+                session.put("language", language);
+                session.locale = locale;
+            }
+        } else {
+            language = (String) session.get("language");
+        }
+        if (language == null) {
+            // if the language is not yet known
+            // use the last header
+            language = headerLanguage;
+        }
+        session.put("languageCombo", getComboBox(languageArray, language));
+        String[] settingNames = server.getSettingNames();
+        String setting = attributes.getProperty("setting");
+        if (setting == null && settingNames.length > 0) {
+            setting = settingNames[0];
+        }
+        String combobox = getComboBox(settingNames, setting);
+        session.put("settingsList", combobox);
+        ConnectionInfo info = server.getSetting(setting);
+        if (info == null) {
+            info = new ConnectionInfo();
+        }
+        session.put("setting", PageParser.escapeHtmlData(setting));
+        session.put("name", PageParser.escapeHtmlData(setting));
+        session.put("driver", PageParser.escapeHtmlData(info.driver));
+        session.put("url", PageParser.escapeHtmlData(info.url));
+        session.put("user", PageParser.escapeHtmlData(info.user));
+        return "index.jsp";
+    }
+
+    private String getHistory() {
+        int id = Integer.parseInt(attributes.getProperty("id"));
+        String sql = session.getCommand(id);
+        session.put("query", PageParser.escapeHtmlData(sql));
+        return "query.jsp";
+    }
+
+    private int addColumns(boolean mainSchema, DbTableOrView table, StringBuilder buff, int treeIndex, boolean showColumnTypes,
+            StringBuilder columnsBuffer) {
+        DbColumn[] columns = table.columns;
+        for (int i = 0; columns != null && i < columns.length; i++) {
+            DbColumn column = columns[i];
+            if (columnsBuffer.length() > 0) {
+                columnsBuffer.append(' ');
+            }
+            columnsBuffer.append(column.name);
+            String col = StringUtils.urlEncode(PageParser.escapeJavaScript(column.name));
+            String level = mainSchema ? ", 1, 1" : ", 2, 2";
+            buff.append("setNode(" + treeIndex + level + ", 'column', '" + PageParser.escapeJavaScript(column.name)
+                    + "', 'javascript:ins(\\'" + col + "\\')');\n");
+            treeIndex++;
+            if (mainSchema && showColumnTypes) {
+                buff.append("setNode(" + treeIndex + ", 2, 2, 'type', '" + PageParser.escapeJavaScript(column.dataType)
+                        + "', null);\n");
+                treeIndex++;
+            }
+        }
+        return treeIndex;
+    }
+
+    /**
+     * This class represents index information for the GUI.
+     */
+    static class IndexInfo {
+
+        /**
+         * The index name.
+         */
+        String name;
+
+        /**
+         * The index type name.
+         */
+        String type;
+
+        /**
+         * The indexed columns.
+         */
+        String columns;
+    }
+
+    private int addIndexes(boolean mainSchema, DatabaseMetaData meta, String table, String schema, StringBuilder buff, int treeIndex)
+            throws SQLException {
+        ResultSet rs = meta.getIndexInfo(null, schema, table, false, true);
+        HashMap<String, IndexInfo> indexMap = New.hashMap();
+        while (rs.next()) {
+            String name = rs.getString("INDEX_NAME");
+            IndexInfo info = indexMap.get(name);
+            if (info == null) {
+                int t = rs.getInt("TYPE");
+                String type;
+                if (t == DatabaseMetaData.tableIndexClustered) {
+                    type = "";
+                } else if (t == DatabaseMetaData.tableIndexHashed) {
+                    type = " (${text.tree.hashed})";
+                } else if (t == DatabaseMetaData.tableIndexOther) {
+                    type = "";
+                } else {
+                    type = null;
+                }
+                if (name != null && type != null) {
+                    info = new IndexInfo();
+                    info.name = name;
+                    type = (rs.getBoolean("NON_UNIQUE") ? "${text.tree.nonUnique}" : "${text.tree.unique}") + type;
+                    info.type = type;
+                    info.columns = rs.getString("COLUMN_NAME");
+                    indexMap.put(name, info);
+                }
+            } else {
+                info.columns += ", " + rs.getString("COLUMN_NAME");
+            }
+        }
+        rs.close();
+        if (indexMap.size() > 0) {
+            String level = mainSchema ? ", 1, 1" : ", 2, 1";
+            String levelIndex = mainSchema ? ", 2, 1" : ", 3, 1";
+            String levelColumnType = mainSchema ? ", 3, 2" : ", 4, 2";
+            buff.append("setNode(" + treeIndex + level + ", 'index_az', '${text.tree.indexes}', null);\n");
+            treeIndex++;
+            for (IndexInfo info : indexMap.values()) {
+                buff.append("setNode(" + treeIndex + levelIndex + ", 'index', '" + PageParser.escapeJavaScript(info.name)
+                        + "', null);\n");
+                treeIndex++;
+                buff.append("setNode(" + treeIndex + levelColumnType + ", 'type', '" + info.type + "', null);\n");
+                treeIndex++;
+                buff.append("setNode(" + treeIndex + levelColumnType + ", 'type', '" + PageParser.escapeJavaScript(info.columns)
+                        + "', null);\n");
+                treeIndex++;
+            }
+        }
+        return treeIndex;
+    }
+
+    private int addTablesAndViews(DbSchema schema, boolean mainSchema, StringBuilder buff, int treeIndex)
+            throws SQLException {
+        if (schema == null) {
+            return treeIndex;
+        }
+        Connection conn = session.getConnection();
+        DatabaseMetaData meta = session.getMetaData();
+        int level = mainSchema ? 0 : 1;
+        boolean showColumns = mainSchema || !schema.isSystem;
+        String indentation = ", " + level + ", " + (showColumns ? "1" : "2") + ", ";
+        String indentNode = ", " + (level + 1) + ", 2, ";
+        DbTableOrView[] tables = schema.tables;
+        if (tables == null) {
+            return treeIndex;
+        }
+        boolean isOracle = schema.contents.isOracle;
+        boolean notManyTables = tables.length < DbSchema.MAX_TABLES_LIST_INDEXES;
+        for (DbTableOrView table : tables) {
+            if (table.isView) {
+                continue;
+            }
+            int tableId = treeIndex;
+            String tab = table.quotedName;
+            if (!mainSchema) {
+                tab = schema.quotedName + "." + tab;
+            }
+            tab = StringUtils.urlEncode(PageParser.escapeJavaScript(tab));
+            buff.append("setNode(" + treeIndex + indentation + " 'table', '" + PageParser.escapeJavaScript(table.name)
+                    + "', 'javascript:ins(\\'" + tab + "\\',true)');\n");
+            treeIndex++;
+            if (mainSchema || showColumns) {
+                StringBuilder columnsBuffer = new StringBuilder();
+                treeIndex = addColumns(mainSchema, table, buff, treeIndex, notManyTables, columnsBuffer);
+                if (!isOracle && notManyTables) {
+                    treeIndex = addIndexes(mainSchema, meta, table.name, schema.name, buff, treeIndex);
+                }
+                buff.append("addTable('" + PageParser.escapeJavaScript(table.name) + "', '"
+                        + PageParser.escapeJavaScript(columnsBuffer.toString()) + "', " + tableId + ");\n");
+            }
+        }
+        tables = schema.tables;
+        for (DbTableOrView view : tables) {
+            if (!view.isView) {
+                continue;
+            }
+            int tableId = treeIndex;
+            String tab = view.quotedName;
+            if (!mainSchema) {
+                tab = view.schema.quotedName + "." + tab;
+            }
+            tab = StringUtils.urlEncode(PageParser.escapeJavaScript(tab));
+            buff.append("setNode(" + treeIndex + indentation + " 'view', '" + PageParser.escapeJavaScript(view.name)
+                    + "', 'javascript:ins(\\'" + tab + "\\',true)');\n");
+            treeIndex++;
+            if (mainSchema) {
+                StringBuilder columnsBuffer = new StringBuilder();
+                treeIndex = addColumns(mainSchema, view, buff, treeIndex, notManyTables, columnsBuffer);
+                if (schema.contents.isH2) {
+                    PreparedStatement prep = null;
+                    try {
+                        prep = conn.prepareStatement("SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME=?");
+                        prep.setString(1, view.name);
+                        ResultSet rs = prep.executeQuery();
+                        if (rs.next()) {
+                            String sql = rs.getString("SQL");
+                            buff.append("setNode(" + treeIndex + indentNode + " 'type', '"
+                                    + PageParser.escapeJavaScript(sql) + "', null);\n");
+                            treeIndex++;
+                        }
+                        rs.close();
+                    } finally {
+                        JdbcUtils.closeSilently(prep);
+                    }
+                }
+                buff.append("addTable('" + PageParser.escapeJavaScript(view.name) + "', '"
+                        + PageParser.escapeJavaScript(columnsBuffer.toString()) + "', " + tableId + ");\n");
+            }
+        }
+        return treeIndex;
+    }
+
+    private String tables() {
+        DbContents contents = session.getContents();
+        boolean isH2 = false;
+        try {
+            contents.readContents(session.getMetaData());
+            session.loadBnf();
+            Connection conn = session.getConnection();
+            DatabaseMetaData meta = session.getMetaData();
+            isH2 = contents.isH2;
+
+            StringBuilder buff = new StringBuilder();
+            buff.append("setNode(0, 0, 0, 'database', '" + PageParser.escapeJavaScript((String) session.get("url"))
+                    + "', null);\n");
+            int treeIndex = 1;
+
+            DbSchema defaultSchema = contents.defaultSchema;
+            treeIndex = addTablesAndViews(defaultSchema, true, buff, treeIndex);
+            DbSchema[] schemas = contents.schemas;
+            for (DbSchema schema : schemas) {
+                if (schema == defaultSchema || schema == null) {
+                    continue;
+                }
+                buff.append("setNode(" + treeIndex + ", 0, 1, 'folder', '" + PageParser.escapeJavaScript(schema.name)
+                        + "', null);\n");
+                treeIndex++;
+                treeIndex = addTablesAndViews(schema, false, buff, treeIndex);
+            }
+            if (isH2) {
+                Statement stat = null;
+                try {
+                    stat = conn.createStatement();
+                    ResultSet rs = stat
+                            .executeQuery("SELECT * FROM INFORMATION_SCHEMA.SEQUENCES ORDER BY SEQUENCE_NAME");
+                    for (int i = 0; rs.next(); i++) {
+                        if (i == 0) {
+                            buff.append("setNode(" + treeIndex
+                                    + ", 0, 1, 'sequences', '${text.tree.sequences}', null);\n");
+                            treeIndex++;
+                        }
+                        String name = rs.getString("SEQUENCE_NAME");
+                        String current = rs.getString("CURRENT_VALUE");
+                        String increment = rs.getString("INCREMENT");
+                        buff.append("setNode(" + treeIndex + ", 1, 1, 'sequence', '"
+                                + PageParser.escapeJavaScript(name) + "', null);\n");
+                        treeIndex++;
+                        buff.append("setNode(" + treeIndex + ", 2, 2, 'type', '${text.tree.current}: "
+                                + PageParser.escapeJavaScript(current) + "', null);\n");
+                        treeIndex++;
+                        if (!"1".equals(increment)) {
+                            buff.append("setNode(" + treeIndex + ", 2, 2, 'type', '${text.tree.increment}: "
+                                    + PageParser.escapeJavaScript(increment) + "', null);\n");
+                            treeIndex++;
+                        }
+                    }
+                    rs.close();
+                    rs = stat.executeQuery("SELECT * FROM INFORMATION_SCHEMA.USERS ORDER BY NAME");
+                    for (int i = 0; rs.next(); i++) {
+                        if (i == 0) {
+                            buff.append("setNode(" + treeIndex + ", 0, 1, 'users', '${text.tree.users}', null);\n");
+                            treeIndex++;
+                        }
+                        String name = rs.getString("NAME");
+                        String admin = rs.getString("ADMIN");
+                        buff.append("setNode(" + treeIndex + ", 1, 1, 'user', '" + PageParser.escapeJavaScript(name)
+                                + "', null);\n");
+                        treeIndex++;
+                        if (admin.equalsIgnoreCase("TRUE")) {
+                            buff.append("setNode(" + treeIndex + ", 2, 2, 'type', '${text.tree.admin}', null);\n");
+                            treeIndex++;
+                        }
+                    }
+                    rs.close();
+                } finally {
+                    JdbcUtils.closeSilently(stat);
+                }
+            }
+            String version = meta.getDatabaseProductName() + " " + meta.getDatabaseProductVersion();
+            buff.append("setNode(" + treeIndex + ", 0, 0, 'info', '" + PageParser.escapeJavaScript(version)
+                    + "', null);\n");
+            buff.append("refreshQueryTables();");
+            session.put("tree", buff.toString());
+        } catch (Exception e) {
+            session.put("tree", "");
+            session.put("error", getStackTrace(0, e, isH2));
+        }
+        return "tables.jsp";
+    }
+
+    private String getStackTrace(int id, Throwable e, boolean isH2) {
+        try {
+            StringWriter writer = new StringWriter();
+            e.printStackTrace(new PrintWriter(writer));
+            String stackTrace = writer.toString();
+            stackTrace = PageParser.escapeHtml(stackTrace);
+            if (isH2) {
+                stackTrace = linkToSource(stackTrace);
+            }
+            stackTrace = StringUtils.replaceAll(stackTrace, "\t", "&nbsp;&nbsp;&nbsp;&nbsp;");
+            String message = PageParser.escapeHtml(e.getMessage());
+            String error = "<a class=\"error\" href=\"#\" onclick=\"var x=document.getElementById('st" + id
+                    + "').style;x.display=x.display==''?'none':'';\">" + message + "</a>";
+            if (e instanceof SQLException) {
+                SQLException se = (SQLException) e;
+                error += " " + se.getSQLState() + "/" + se.getErrorCode();
+                if (isH2) {
+                    int code = se.getErrorCode();
+                    error += " <a href=\"http://h2database.com/javadoc/org/h2/constant/ErrorCode.html#c" + code
+                            + "\">(${text.a.help})</a>";
+                }
+            }
+            error += "<span style=\"display: none;\" id=\"st" + id + "\"><br />" + stackTrace + "</span>";
+            error = formatAsError(error);
+            return error;
+        } catch (OutOfMemoryError e2) {
+            server.traceError(e);
+            return e.toString();
+        }
+    }
+
+    private String linkToSource(String s) {
+        try {
+            StringBuilder result = new StringBuilder(s.length());
+            int idx = s.indexOf("<br />");
+            result.append(s.substring(0, idx));
+            while (true) {
+                int start = s.indexOf("org.h2.", idx);
+                if (start < 0) {
+                    result.append(s.substring(idx));
+                    break;
+                }
+                result.append(s.substring(idx, start));
+                int end = s.indexOf(')', start);
+                if (end < 0) {
+                    result.append(s.substring(idx));
+                    break;
+                }
+                String element = s.substring(start, end);
+                int open = element.lastIndexOf('(');
+                int dotMethod = element.lastIndexOf('.', open - 1);
+                int dotClass = element.lastIndexOf('.', dotMethod - 1);
+                String packageName = element.substring(0, dotClass);
+                int colon = element.lastIndexOf(':');
+                String file = element.substring(open + 1, colon);
+                String lineNumber = element.substring(colon + 1, element.length());
+                String fullFileName = packageName.replace('.', '/') + "/" + file;
+                result.append("<a href=\"http://h2database.com/html/source.html?file=");
+                result.append(fullFileName);
+                result.append("&line=");
+                result.append(lineNumber);
+                result.append("&build=");
+                result.append(Constants.BUILD_ID);
+                result.append("\">");
+                result.append(element);
+                result.append("</a>");
+                idx = end;
+            }
+            return result.toString();
+        } catch (Throwable t) {
+            return s;
+        }
+    }
+
+    private String formatAsError(String s) {
+        return "<div class=\"error\">" + s + "</div>";
+    }
+
+    private String test() {
+        String driver = attributes.getProperty("driver", "");
+        String url = attributes.getProperty("url", "");
+        String user = attributes.getProperty("user", "");
+        String password = attributes.getProperty("password", "");
+        session.put("driver", driver);
+        session.put("url", url);
+        session.put("user", user);
+        boolean isH2 = url.startsWith("jdbc:h2:");
+        try {
+            Connection conn = server.getConnection(driver, url, user, password, this);
+            JdbcUtils.closeSilently(conn);
+            session.put("error", "${text.login.testSuccessful}");
+            return "login.jsp";
+        } catch (Exception e) {
+            session.put("error", getLoginError(e, isH2));
+            return "login.jsp";
+        }
+    }
+
+    /**
+     * Get the formatted login error message.
+     *
+     * @param e the exception
+     * @param isH2 if the current database is a H2 database
+     * @return the formatted error message
+     */
+    String getLoginError(Exception e, boolean isH2) {
+        if (e instanceof JdbcSQLException && ((JdbcSQLException) e).getErrorCode() == ErrorCode.CLASS_NOT_FOUND_1) {
+            return "${text.login.driverNotFound}<br />" + getStackTrace(0, e, isH2);
+        }
+        return getStackTrace(0, e, isH2);
+    }
+
+    protected String login() {
+        final String driver = attributes.getProperty("driver", "");
+        final String url = attributes.getProperty("url", "");
+        final String user = attributes.getProperty("user", "");
+        final String password = attributes.getProperty("password", "");
+        session.put("autoCommit", "checked");
+        session.put("autoComplete", "1");
+        session.put("maxrows", "1000");
+
+        boolean isH2 = url.startsWith("jdbc:h2:");
+        try {
+            Connection conn = server.getConnection(driver, url, user, password, this);
+            session.setConnection(conn);
+            session.put("url", url);
+            session.put("user", user);
+            session.remove("error");
+            settingSave();
+            return "frame.jsp";
+        } catch (Exception e) {
+            session.put("error", getLoginError(e, isH2));
+            return "login.jsp";
+        }
+    }
+
+    private String logout() {
+        try {
+            Connection conn = session.getConnection();
+            session.setConnection(null);
+            session.remove("conn");
+            session.remove("result");
+            session.remove("tables");
+            session.remove("user");
+            session.remove("tool");
+            if (conn != null) {
+                if (session.getShutdownServerOnDisconnect()) {
+                    server.shutdown();
+                } else {
+                    conn.close();
+                }
+            }
+        } catch (Exception e) {
+            trace(e.toString());
+        }
+        return "index.do";
+    }
+
+    private String query() {
+        String sql = attributes.getProperty("sql").trim();
+        try {
+            Connection conn = session.getConnection();
+            String result;
+            if (sql.startsWith("@JAVA")) {
+                if (server.getAllowScript()) {
+                    try {
+                        result = executeJava(sql.substring("@JAVA".length()));
+                    } catch (Throwable t) {
+                        result = getStackTrace(0, t, false);
+                    }
+                } else {
+                    result = "Executing Java code is not allowed, use command line parameter -webScript";
+                }
+            } else if ("@AUTOCOMMIT TRUE".equals(sql)) {
+                conn.setAutoCommit(true);
+                result = "${text.result.autoCommitOn}";
+            } else if ("@AUTOCOMMIT FALSE".equals(sql)) {
+                conn.setAutoCommit(false);
+                result = "${text.result.autoCommitOff}";
+            } else if (sql.startsWith("@TRANSACTION_ISOLATION")) {
+                String s = sql.substring("@TRANSACTION_ISOLATION".length()).trim();
+                if (s.length() > 0) {
+                    int level = Integer.parseInt(s);
+                    conn.setTransactionIsolation(level);
+                }
+                result = "Transaction Isolation: " + conn.getTransactionIsolation() + "<br />";
+                result += Connection.TRANSACTION_READ_UNCOMMITTED + ": READ_UNCOMMITTED<br />";
+                result += Connection.TRANSACTION_READ_COMMITTED + ": READ_COMMITTED<br />";
+                result += Connection.TRANSACTION_REPEATABLE_READ + ": REPEATABLE_READ<br />";
+                result += Connection.TRANSACTION_SERIALIZABLE + ": SERIALIZABLE";
+            } else if (sql.startsWith("@SET MAXROWS ")) {
+                int maxrows = Integer.parseInt(sql.substring("@SET MAXROWS ".length()));
+                session.put("maxrows", "" + maxrows);
+                result = "${text.result.maxrowsSet}";
+            } else {
+                ScriptReader r = new ScriptReader(new StringReader(sql));
+                ObjectArray<String> list = ObjectArray.newInstance();
+                while (true) {
+                    String s = r.readStatement();
+                    if (s == null) {
+                        break;
+                    }
+                    list.add(s);
+                }
+                StringBuilder buff = new StringBuilder();
+                for (int i = 0; i < list.size(); i++) {
+                    String s = list.get(i);
+                    if (!s.startsWith("@")) {
+                        buff.append(PageParser.escapeHtml(s + ";")).append("<br />");
+                    }
+                    buff.append(getResult(conn, i + 1, s, list.size() == 1, false)).append("<br />");
+                }
+                result = buff.toString();
+            }
+            session.put("result", result);
+        } catch (Throwable e) {
+            session.put("result", getStackTrace(0, e, session.getContents().isH2));
+        }
+        return "result.jsp";
+    }
+
+    /**
+     * This class allows to load Java code dynamically.
+     */
+    static class DynamicClassLoader extends SecureClassLoader {
+
+        private String name;
+        private byte[] data;
+        private Class< ? > clazz;
+
+        DynamicClassLoader(String name, byte[] data) {
+            super(DynamicClassLoader.class.getClassLoader());
+            this.name = name;
+            this.data = data;
+        }
+
+        public Class< ? > loadClass(String className) throws ClassNotFoundException {
+            return findClass(className);
+        }
+
+        public Class< ? > findClass(String className) throws ClassNotFoundException {
+            if (className.equals(name)) {
+                if (clazz == null) {
+                    clazz = defineClass(className, data, 0, data.length);
+                }
+                return clazz;
+            }
+            try {
+                return findSystemClass(className);
+            } catch (Exception e) {
+                // ignore
+            }
+            return super.findClass(className);
+        }
+    }
+
+    private String executeJava(String code) throws Exception {
+        File javaFile = new File("Java.java");
+        File classFile = new File("Java.class");
+        try {
+            PrintWriter out = new PrintWriter(new FileWriter(javaFile));
+            classFile.delete();
+            int endImport = code.indexOf("@CODE");
+            String importCode = "import java.util.*; import java.math.*; import java.sql.*;";
+            if (endImport >= 0) {
+                importCode = code.substring(0, endImport);
+                code = code.substring("@CODE".length() + endImport);
+            }
+            out.println(importCode);
+            out.println("public class Java { public static Object run() throws Throwable {" + code + "}}");
+            out.close();
+            Class< ? > javacClass = Class.forName("com.sun.tools.javac.Main");
+            Method compile = javacClass.getMethod("compile", String[].class);
+            Object javac = javacClass.newInstance();
+            compile.invoke(javac, new Object[] { new String[]{"Java.java"}});
+            byte[] data = new byte[(int) classFile.length()];
+            DataInputStream in = new DataInputStream(new FileInputStream(classFile));
+            in.readFully(data);
+            in.close();
+            DynamicClassLoader cl = new DynamicClassLoader("Java", data);
+            Class< ? > clazz = cl.loadClass("Java");
+            Method[] methods = clazz.getMethods();
+            for (Method m : methods) {
+                if (m.getName().equals("run")) {
+                    return "" + m.invoke(null);
+                }
+            }
+            return null;
+        } finally {
+            javaFile.delete();
+            classFile.delete();
+        }
+    }
+
+    private String editResult() {
+        ResultSet rs = session.result;
+        int row = Integer.parseInt(attributes.getProperty("row"));
+        int op = Integer.parseInt(attributes.getProperty("op"));
+        String result = "", error = "";
+        try {
+            if (op == 1) {
+                boolean insert = row < 0;
+                if (insert) {
+                    rs.moveToInsertRow();
+                } else {
+                    rs.absolute(row);
+                }
+                for (int i = 0; i < rs.getMetaData().getColumnCount(); i++) {
+                    String x = attributes.getProperty("r" + row + "c" + (i + 1));
+                    unescapeData(x, rs, i + 1);
+                }
+                if (insert) {
+                    rs.insertRow();
+                } else {
+                    rs.updateRow();
+                }
+            } else if (op == 2) {
+                rs.absolute(row);
+                rs.deleteRow();
+            } else if (op == 3) {
+                // cancel
+            }
+        } catch (Throwable e) {
+            result = "<br />" + getStackTrace(0, e, session.getContents().isH2);
+            error = formatAsError(e.getMessage());
+        }
+        String sql = "@EDIT " + (String) session.get("resultSetSQL");
+        Connection conn = session.getConnection();
+        result = error + getResult(conn, -1, sql, true, true) + result;
+        session.put("result", result);
+        return "result.jsp";
+    }
+
+    private ResultSet getMetaResultSet(Connection conn, String sql) throws SQLException {
+        DatabaseMetaData meta = conn.getMetaData();
+        if (sql.startsWith("@TABLES")) {
+            String[] p = split(sql);
+            String[] types = p[4] == null ? null : StringUtils.arraySplit(p[4], ',', false);
+            return meta.getTables(p[1], p[2], p[3], types);
+        } else if (sql.startsWith("@COLUMNS")) {
+            String[] p = split(sql);
+            return meta.getColumns(p[1], p[2], p[3], p[4]);
+        } else if (sql.startsWith("@INDEX_INFO")) {
+            String[] p = split(sql);
+            boolean unique = p[4] == null ? false : Boolean.valueOf(p[4]).booleanValue();
+            boolean approx = p[5] == null ? false : Boolean.valueOf(p[5]).booleanValue();
+            return meta.getIndexInfo(p[1], p[2], p[3], unique, approx);
+        } else if (sql.startsWith("@PRIMARY_KEYS")) {
+            String[] p = split(sql);
+            return meta.getPrimaryKeys(p[1], p[2], p[3]);
+        } else if (sql.startsWith("@PROCEDURES")) {
+            String[] p = split(sql);
+            return meta.getProcedures(p[1], p[2], p[3]);
+        } else if (sql.startsWith("@PROCEDURE_COLUMNS")) {
+            String[] p = split(sql);
+            return meta.getProcedureColumns(p[1], p[2], p[3], p[4]);
+        } else if (sql.startsWith("@SCHEMAS")) {
+            return meta.getSchemas();
+        } else if (sql.startsWith("@CATALOG")) {
+            SimpleResultSet rs = new SimpleResultSet();
+            rs.addColumn("CATALOG", Types.VARCHAR, 0, 0);
+            rs.addRow(conn.getCatalog());
+            return rs;
+        } else if (sql.startsWith("@MEMORY")) {
+            SimpleResultSet rs = new SimpleResultSet();
+            rs.addColumn("Type", Types.VARCHAR, 0, 0);
+            rs.addColumn("Value", Types.VARCHAR, 0, 0);
+            rs.addRow("Used Memory", "" + MemoryUtils.getMemoryUsed());
+            rs.addRow("Free Memory", "" + MemoryUtils.getMemoryFree());
+            return rs;
+        } else if (sql.startsWith("@INFO")) {
+            SimpleResultSet rs = new SimpleResultSet();
+            rs.addColumn("KEY", Types.VARCHAR, 0, 0);
+            rs.addColumn("VALUE", Types.VARCHAR, 0, 0);
+            rs.addRow("conn.getCatalog", conn.getCatalog());
+            rs.addRow("conn.getAutoCommit", "" + conn.getAutoCommit());
+            rs.addRow("conn.getTransactionIsolation", "" + conn.getTransactionIsolation());
+            rs.addRow("conn.getWarnings", "" + conn.getWarnings());
+            String map;
+            try {
+                map = "" + conn.getTypeMap();
+            } catch (SQLException e) {
+                map = e.toString();
+            }
+            rs.addRow("conn.getTypeMap", "" + map);
+            rs.addRow("conn.isReadOnly", "" + conn.isReadOnly());
+            rs.addRow("meta.getCatalogSeparator", "" + meta.getCatalogSeparator());
+            rs.addRow("meta.getCatalogTerm", "" + meta.getCatalogTerm());
+            rs.addRow("meta.getDatabaseProductName", "" + meta.getDatabaseProductName());
+            rs.addRow("meta.getDatabaseProductVersion", "" + meta.getDatabaseProductVersion());
+            rs.addRow("meta.getDefaultTransactionIsolation", "" + meta.getDefaultTransactionIsolation());
+            rs.addRow("meta.getDriverMajorVersion", "" + meta.getDriverMajorVersion());
+            rs.addRow("meta.getDriverMinorVersion", "" + meta.getDriverMinorVersion());
+            rs.addRow("meta.getDriverName", "" + meta.getDriverName());
+            rs.addRow("meta.getDriverVersion", "" + meta.getDriverVersion());
+            rs.addRow("meta.getExtraNameCharacters", "" + meta.getExtraNameCharacters());
+            rs.addRow("meta.getIdentifierQuoteString", "" + meta.getIdentifierQuoteString());
+            rs.addRow("meta.getMaxBinaryLiteralLength", "" + meta.getMaxBinaryLiteralLength());
+            rs.addRow("meta.getMaxCatalogNameLength", "" + meta.getMaxCatalogNameLength());
+            rs.addRow("meta.getMaxCharLiteralLength", "" + meta.getMaxCharLiteralLength());
+            rs.addRow("meta.getMaxColumnNameLength", "" + meta.getMaxColumnNameLength());
+            rs.addRow("meta.getMaxColumnsInGroupBy", "" + meta.getMaxColumnsInGroupBy());
+            rs.addRow("meta.getMaxColumnsInIndex", "" + meta.getMaxColumnsInIndex());
+            rs.addRow("meta.getMaxColumnsInOrderBy", "" + meta.getMaxColumnsInOrderBy());
+            rs.addRow("meta.getMaxColumnsInSelect", "" + meta.getMaxColumnsInSelect());
+            rs.addRow("meta.getMaxColumnsInTable", "" + meta.getMaxColumnsInTable());
+            rs.addRow("meta.getMaxConnections", "" + meta.getMaxConnections());
+            rs.addRow("meta.getMaxCursorNameLength", "" + meta.getMaxCursorNameLength());
+            rs.addRow("meta.getMaxIndexLength", "" + meta.getMaxIndexLength());
+            rs.addRow("meta.getMaxProcedureNameLength", "" + meta.getMaxProcedureNameLength());
+            rs.addRow("meta.getMaxRowSize", "" + meta.getMaxRowSize());
+            rs.addRow("meta.getMaxSchemaNameLength", "" + meta.getMaxSchemaNameLength());
+            rs.addRow("meta.getMaxStatementLength", "" + meta.getMaxStatementLength());
+            rs.addRow("meta.getMaxStatements", "" + meta.getMaxStatements());
+            rs.addRow("meta.getMaxTableNameLength", "" + meta.getMaxTableNameLength());
+            rs.addRow("meta.getMaxTablesInSelect", "" + meta.getMaxTablesInSelect());
+            rs.addRow("meta.getMaxUserNameLength", "" + meta.getMaxUserNameLength());
+            rs.addRow("meta.getNumericFunctions", "" + meta.getNumericFunctions());
+            rs.addRow("meta.getProcedureTerm", "" + meta.getProcedureTerm());
+            rs.addRow("meta.getSchemaTerm", "" + meta.getSchemaTerm());
+            rs.addRow("meta.getSearchStringEscape", "" + meta.getSearchStringEscape());
+            rs.addRow("meta.getSQLKeywords", "" + meta.getSQLKeywords());
+            rs.addRow("meta.getStringFunctions", "" + meta.getStringFunctions());
+            rs.addRow("meta.getSystemFunctions", "" + meta.getSystemFunctions());
+            rs.addRow("meta.getTimeDateFunctions", "" + meta.getTimeDateFunctions());
+            rs.addRow("meta.getURL", "" + meta.getURL());
+            rs.addRow("meta.getUserName", "" + meta.getUserName());
+            rs.addRow("meta.isCatalogAtStart", "" + meta.isCatalogAtStart());
+            rs.addRow("meta.isReadOnly", "" + meta.isReadOnly());
+            rs.addRow("meta.allProceduresAreCallable", "" + meta.allProceduresAreCallable());
+            rs.addRow("meta.allTablesAreSelectable", "" + meta.allTablesAreSelectable());
+            rs.addRow("meta.dataDefinitionCausesTransactionCommit", "" + meta.dataDefinitionCausesTransactionCommit());
+            rs.addRow("meta.dataDefinitionIgnoredInTransactions", "" + meta.dataDefinitionIgnoredInTransactions());
+            rs.addRow("meta.doesMaxRowSizeIncludeBlobs", "" + meta.doesMaxRowSizeIncludeBlobs());
+            rs.addRow("meta.nullPlusNonNullIsNull", "" + meta.nullPlusNonNullIsNull());
+            rs.addRow("meta.nullsAreSortedAtEnd", "" + meta.nullsAreSortedAtEnd());
+            rs.addRow("meta.nullsAreSortedAtStart", "" + meta.nullsAreSortedAtStart());
+            rs.addRow("meta.nullsAreSortedHigh", "" + meta.nullsAreSortedHigh());
+            rs.addRow("meta.nullsAreSortedLow", "" + meta.nullsAreSortedLow());
+            rs.addRow("meta.storesLowerCaseIdentifiers", "" + meta.storesLowerCaseIdentifiers());
+            rs.addRow("meta.storesLowerCaseQuotedIdentifiers", "" + meta.storesLowerCaseQuotedIdentifiers());
+            rs.addRow("meta.storesMixedCaseIdentifiers", "" + meta.storesMixedCaseIdentifiers());
+            rs.addRow("meta.storesMixedCaseQuotedIdentifiers", "" + meta.storesMixedCaseQuotedIdentifiers());
+            rs.addRow("meta.storesUpperCaseIdentifiers", "" + meta.storesUpperCaseIdentifiers());
+            rs.addRow("meta.storesUpperCaseQuotedIdentifiers", "" + meta.storesUpperCaseQuotedIdentifiers());
+            rs.addRow("meta.supportsAlterTableWithAddColumn", "" + meta.supportsAlterTableWithAddColumn());
+            rs.addRow("meta.supportsAlterTableWithDropColumn", "" + meta.supportsAlterTableWithDropColumn());
+            rs.addRow("meta.supportsANSI92EntryLevelSQL", "" + meta.supportsANSI92EntryLevelSQL());
+            rs.addRow("meta.supportsANSI92FullSQL", "" + meta.supportsANSI92FullSQL());
+            rs.addRow("meta.supportsANSI92IntermediateSQL", "" + meta.supportsANSI92IntermediateSQL());
+            rs.addRow("meta.supportsBatchUpdates", "" + meta.supportsBatchUpdates());
+            rs.addRow("meta.supportsCatalogsInDataManipulation", "" + meta.supportsCatalogsInDataManipulation());
+            rs.addRow("meta.supportsCatalogsInIndexDefinitions", "" + meta.supportsCatalogsInIndexDefinitions());
+            rs.addRow("meta.supportsCatalogsInPrivilegeDefinitions", "" + meta.supportsCatalogsInPrivilegeDefinitions());
+            rs.addRow("meta.supportsCatalogsInProcedureCalls", "" + meta.supportsCatalogsInProcedureCalls());
+            rs.addRow("meta.supportsCatalogsInTableDefinitions", "" + meta.supportsCatalogsInTableDefinitions());
+            rs.addRow("meta.supportsColumnAliasing", "" + meta.supportsColumnAliasing());
+            rs.addRow("meta.supportsConvert", "" + meta.supportsConvert());
+            rs.addRow("meta.supportsCoreSQLGrammar", "" + meta.supportsCoreSQLGrammar());
+            rs.addRow("meta.supportsCorrelatedSubqueries", "" + meta.supportsCorrelatedSubqueries());
+            rs.addRow("meta.supportsDataDefinitionAndDataManipulationTransactions", "" + meta.supportsDataDefinitionAndDataManipulationTransactions());
+            rs.addRow("meta.supportsDataManipulationTransactionsOnly", "" + meta.supportsDataManipulationTransactionsOnly());
+            rs.addRow("meta.supportsDifferentTableCorrelationNames", "" + meta.supportsDifferentTableCorrelationNames());
+            rs.addRow("meta.supportsExpressionsInOrderBy", "" + meta.supportsExpressionsInOrderBy());
+            rs.addRow("meta.supportsExtendedSQLGrammar", "" + meta.supportsExtendedSQLGrammar());
+            rs.addRow("meta.supportsFullOuterJoins", "" + meta.supportsFullOuterJoins());
+            rs.addRow("meta.supportsGroupBy", "" + meta.supportsGroupBy());
+            rs.addRow("meta.usesLocalFilePerTable", "" + meta.usesLocalFilePerTable());
+            rs.addRow("meta.usesLocalFiles", "" + meta.usesLocalFiles());
+//## Java 1.4 begin ##
+            rs.addRow("conn.getHoldability", "" + conn.getHoldability());
+            rs.addRow("meta.getDatabaseMajorVersion", "" + meta.getDatabaseMajorVersion());
+            rs.addRow("meta.getDatabaseMinorVersion", "" + meta.getDatabaseMinorVersion());
+            rs.addRow("meta.getJDBCMajorVersion", "" + meta.getJDBCMajorVersion());
+            rs.addRow("meta.getJDBCMinorVersion", "" + meta.getJDBCMinorVersion());
+            rs.addRow("meta.getResultSetHoldability", "" + meta.getResultSetHoldability());
+            rs.addRow("meta.getSQLStateType", "" + meta.getSQLStateType());
+            rs.addRow("meta.supportsGetGeneratedKeys", "" + meta.supportsGetGeneratedKeys());
+            rs.addRow("meta.locatorsUpdateCopy", "" + meta.locatorsUpdateCopy());
+//## Java 1.4 end ##
+            return rs;
+        } else if (sql.startsWith("@CATALOGS")) {
+            return meta.getCatalogs();
+        } else if (sql.startsWith("@TABLE_TYPES")) {
+            return meta.getTableTypes();
+        } else if (sql.startsWith("@COLUMN_PRIVILEGES")) {
+            String[] p = split(sql);
+            return meta.getColumnPrivileges(p[1], p[2], p[3], p[4]);
+        } else if (sql.startsWith("@TABLE_PRIVILEGES")) {
+            String[] p = split(sql);
+            return meta.getTablePrivileges(p[1], p[2], p[3]);
+        } else if (sql.startsWith("@BEST_ROW_IDENTIFIER")) {
+            String[] p = split(sql);
+            int scale = p[4] == null ? 0 : Integer.parseInt(p[4]);
+            boolean nullable = p[5] == null ? false : Boolean.valueOf(p[5]).booleanValue();
+            return meta.getBestRowIdentifier(p[1], p[2], p[3], scale, nullable);
+        } else if (sql.startsWith("@VERSION_COLUMNS")) {
+            String[] p = split(sql);
+            return meta.getVersionColumns(p[1], p[2], p[3]);
+        } else if (sql.startsWith("@IMPORTED_KEYS")) {
+            String[] p = split(sql);
+            return meta.getImportedKeys(p[1], p[2], p[3]);
+        } else if (sql.startsWith("@EXPORTED_KEYS")) {
+            String[] p = split(sql);
+            return meta.getExportedKeys(p[1], p[2], p[3]);
+        } else if (sql.startsWith("@CROSS_REFERENCE")) {
+            String[] p = split(sql);
+            return meta.getCrossReference(p[1], p[2], p[3], p[4], p[5], p[6]);
+        } else if (sql.startsWith("@UDTS")) {
+            String[] p = split(sql);
+            int[] types;
+            if (p[4] == null) {
+                types = null;
+            } else {
+                String[] t = StringUtils.arraySplit(p[4], ',', false);
+                types = new int[t.length];
+                for (int i = 0; i < t.length; i++) {
+                    types[i] = Integer.parseInt(t[i]);
+                }
+            }
+            return meta.getUDTs(p[1], p[2], p[3], types);
+        } else if (sql.startsWith("@TYPE_INFO")) {
+            return meta.getTypeInfo();
+//## Java 1.4 begin ##
+        } else if (sql.startsWith("@SUPER_TYPES")) {
+            String[] p = split(sql);
+            return meta.getSuperTypes(p[1], p[2], p[3]);
+        } else if (sql.startsWith("@SUPER_TABLES")) {
+            String[] p = split(sql);
+            return meta.getSuperTables(p[1], p[2], p[3]);
+        } else if (sql.startsWith("@ATTRIBUTES")) {
+            String[] p = split(sql);
+            return meta.getAttributes(p[1], p[2], p[3], p[4]);
+//## Java 1.4 end ##
+        }
+        return null;
+    }
+
+    private String[] split(String s) {
+        String[] list = new String[10];
+        String[] t = StringUtils.arraySplit(s, ' ', true);
+        System.arraycopy(t, 0, list, 0, t.length);
+        for (int i = 0; i < list.length; i++) {
+            if ("null".equals(list[i])) {
+                list[i] = null;
+            }
+        }
+        return list;
+    }
+
+    private int getMaxrows() {
+        String r = (String) session.get("maxrows");
+        int maxrows = r == null ? 0 : Integer.parseInt(r);
+        return maxrows;
+    }
+
+    private String getResult(Connection conn, int id, String sql, boolean allowEdit, boolean forceEdit) {
+        try {
+            sql = sql.trim();
+            StringBuilder buff = new StringBuilder();
+            String sqlUpper = StringUtils.toUpperEnglish(sql);
+            if (sqlUpper.indexOf("CREATE") >= 0 || sqlUpper.indexOf("DROP") >= 0 || sqlUpper.indexOf("ALTER") >= 0
+                    || sqlUpper.indexOf("RUNSCRIPT") >= 0) {
+                String sessionId = attributes.getProperty("jsessionid");
+                buff.append("<script type=\"text/javascript\">top['h2menu'].location='tables.do?jsessionid="
+                        + sessionId + "';</script>");
+            }
+            Statement stat;
+            DbContents contents = session.getContents();
+            if (forceEdit || (allowEdit && contents.isH2)) {
+                stat = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);
+            } else {
+                stat = conn.createStatement();
+            }
+            ResultSet rs;
+            long time = System.currentTimeMillis();
+            boolean metadata = false;
+            boolean generatedKeys = false;
+            boolean edit = false;
+            boolean list = false;
+            if ("@CANCEL".equals(sql)) {
+                stat = session.executingStatement;
+                if (stat != null) {
+                    stat.cancel();
+                    buff.append("${text.result.statementWasCanceled}");
+                } else {
+                    buff.append("${text.result.noRunningStatement}");
+                }
+                return buff.toString();
+            } else if (sql.startsWith("@PARAMETER_META")) {
+                sql = sql.substring("@PARAMETER_META".length()).trim();
+                PreparedStatement prep = conn.prepareStatement(sql);
+                buff.append(getParameterResultSet(prep.getParameterMetaData()));
+                return buff.toString();
+            } else if (sql.startsWith("@META")) {
+                metadata = true;
+                sql = sql.substring("@META".length()).trim();
+            } else if (sql.startsWith("@LIST")) {
+                list = true;
+                sql = sql.substring("@LIST".length()).trim();
+            } else if (sql.startsWith("@GENERATED")) {
+                generatedKeys = true;
+                sql = sql.substring("@GENERATED".length()).trim();
+            } else if (sql.startsWith("@LOOP")) {
+                sql = sql.substring("@LOOP".length()).trim();
+                int idx = sql.indexOf(' ');
+                int count = MathUtils.decodeInt(sql.substring(0, idx));
+                sql = sql.substring(idx).trim();
+                return executeLoop(conn, count, sql);
+            } else if (sql.startsWith("@EDIT")) {
+                edit = true;
+                sql = sql.substring("@EDIT".length()).trim();
+                session.put("resultSetSQL", sql);
+            } else if ("@HISTORY".equals(sql)) {
+                buff.append(getHistoryString());
+                return buff.toString();
+            }
+            if (sql.startsWith("@")) {
+                rs = getMetaResultSet(conn, sql);
+                if (rs == null) {
+                    buff.append("?: " + sql);
+                    return buff.toString();
+                }
+            } else {
+                int maxrows = getMaxrows();
+                stat.setMaxRows(maxrows);
+                session.executingStatement = stat;
+                boolean isResultSet = stat.execute(sql);
+                session.addCommand(sql);
+                if (generatedKeys) {
+                    rs = null;
+//## Java 1.4 begin ##
+                    rs = stat.getGeneratedKeys();
+//## Java 1.4 end ##
+                } else {
+                    if (!isResultSet) {
+                        buff.append("${text.result.updateCount}: " + stat.getUpdateCount());
+                        time = System.currentTimeMillis() - time;
+                        buff.append("<br />(").append(time).append(" ms)");
+                        stat.close();
+                        return buff.toString();
+                    }
+                    rs = stat.getResultSet();
+                }
+            }
+            time = System.currentTimeMillis() - time;
+            buff.append(getResultSet(sql, rs, metadata, list, edit, time, allowEdit));
+            // SQLWarning warning = stat.getWarnings();
+            // if(warning != null) {
+            // buff.append("<br />Warning:<br />").
+            // append(getStackTrace(id, warning));
+            // }
+            if (!edit) {
+                stat.close();
+            }
+            return buff.toString();
+        } catch (Throwable e) {
+            // throwable: including OutOfMemoryError and so on
+            return getStackTrace(id, e, session.getContents().isH2);
+        } finally {
+            session.executingStatement = null;
+        }
+    }
+
+    private String executeLoop(Connection conn, int count, String sql) throws SQLException {
+        ArrayList<Integer> params = New.arrayList();
+        int idx = 0;
+        while (!stop) {
+            idx = sql.indexOf('?', idx);
+            if (idx < 0) {
+                break;
+            }
+            if (sql.substring(idx).startsWith("?/*RND*/")) {
+                params.add(1);
+                sql = sql.substring(0, idx) + "?" + sql.substring(idx + "/*RND*/".length() + 1);
+            } else {
+                params.add(0);
+            }
+            idx++;
+        }
+        int rows = 0;
+        boolean prepared;
+        Random random = new Random(1);
+        long time = System.currentTimeMillis();
+        if (sql.startsWith("@STATEMENT")) {
+            sql = sql.substring("@STATEMENT".length()).trim();
+            prepared = false;
+            Statement stat = conn.createStatement();
+            for (int i = 0; !stop && i < count; i++) {
+                String s = sql;
+                for (Integer type : params) {
+                    idx = s.indexOf('?');
+                    if (type.intValue() == 1) {
+                        s = s.substring(0, idx) + random.nextInt(count) + s.substring(idx + 1);
+                    } else {
+                        s = s.substring(0, idx) + i + s.substring(idx + 1);
+                    }
+                }
+                if (stat.execute(s)) {
+                    ResultSet rs = stat.getResultSet();
+                    while (!stop && rs.next()) {
+                        rows++;
+                        // maybe get the data as well
+                    }
+                    rs.close();
+                    // maybe close result set
+                }
+            }
+        } else {
+            prepared = true;
+            PreparedStatement prep = conn.prepareStatement(sql);
+            for (int i = 0; !stop && i < count; i++) {
+                for (int j = 0; j < params.size(); j++) {
+                    Integer type = params.get(j);
+                    if (type.intValue() == 1) {
+                        prep.setInt(j + 1, random.nextInt(count));
+                    } else {
+                        prep.setInt(j + 1, i);
+                    }
+                }
+                if (session.getContents().isSQLite) {
+                    // SQLite currently throws an exception on prep.execute()
+                    prep.executeUpdate();
+                } else {
+                    if (prep.execute()) {
+                        ResultSet rs = prep.getResultSet();
+                        while (!stop && rs.next()) {
+                            rows++;
+                            // maybe get the data as well
+                        }
+                        rs.close();
+                    }
+                }
+            }
+        }
+        time = System.currentTimeMillis() - time;
+        StatementBuilder buff = new StatementBuilder();
+        buff.append(time).append(" ms: ").append(count).append(" * ");
+        if (prepared) {
+            buff.append("(Prepared) ");
+        } else {
+            buff.append("(Statement) ");
+        }
+        buff.append('(');
+        for (int p : params) {
+            buff.appendExceptFirst(", ");
+            buff.append(p == 0 ? "i" : "rnd");
+        }
+        return buff.append(") ").append(sql).toString();
+    }
+
+    private String getHistoryString() {
+        StringBuilder buff = new StringBuilder();
+        ArrayList<String> history = session.getCommands();
+        buff.append("<table cellspacing=0 cellpadding=0><tr><th></th><th>Command</th></tr>");
+        for (int i = history.size() - 1; i >= 0; i--) {
+            String sql = history.get(i);
+            buff.append("<tr><td><a href=\"getHistory.do?id=").
+                append(i).
+                append("&jsessionid=${sessionId}\" target=\"h2query\" >").
+                append("<img width=16 height=16 src=\"ico_write.gif\" onmouseover = \"this.className ='icon_hover'\" ").
+                append("onmouseout = \"this.className ='icon'\" class=\"icon\" alt=\"${text.resultEdit.edit}\" ").
+                append("title=\"${text.resultEdit.edit}\" border=\"1\"/></a>").
+                append("</td><td>").
+                append(PageParser.escapeHtml(sql)).
+                append("</td></tr>");
+        }
+        buff.append("</table>");
+        return buff.toString();
+    }
+
+    private String getParameterResultSet(ParameterMetaData meta) throws SQLException {
+        StringBuilder buff = new StringBuilder();
+        if (meta == null) {
+            return "No parameter meta data";
+        }
+        buff.append("<table cellspacing=0 cellpadding=0>").
+            append("<tr><th>className</th><th>mode</th><th>type</th>").
+            append("<th>typeName</th><th>precision</th><th>scale</th></tr>");
+        for (int i = 0; i < meta.getParameterCount(); i++) {
+            buff.append("</tr><td>").
+                append(meta.getParameterClassName(i + 1)).
+                append("</td><td>").
+                append(meta.getParameterMode(i + 1)).
+                append("</td><td>").
+                append(meta.getParameterType(i + 1)).
+                append("</td><td>").
+                append(meta.getParameterTypeName(i + 1)).
+                append("</td><td>").
+                append(meta.getPrecision(i + 1)).
+                append("</td><td>").
+                append(meta.getScale(i + 1)).
+                append("</td></tr>");
+        }
+        buff.append("</table>");
+        return buff.toString();
+    }
+
+    private String getResultSet(String sql, ResultSet rs, boolean metadata, boolean list, boolean edit, long time,
+            boolean allowEdit) throws SQLException {
+        int maxrows = getMaxrows();
+        time = System.currentTimeMillis() - time;
+        StringBuilder buff = new StringBuilder();
+        if (edit) {
+            buff.append("<form id=\"editing\" name=\"editing\" method=\"post\" " +
+                    "action=\"editResult.do?jsessionid=${sessionId}\" id=\"mainForm\" target=\"h2result\">" +
+                    "<input type=\"hidden\" name=\"op\" value=\"1\" />" +
+                    "<input type=\"hidden\" name=\"row\" value=\"\" />" +
+                    "<table cellspacing=0 cellpadding=0 id=\"editTable\">");
+        } else {
+            buff.append("<table cellspacing=0 cellpadding=0>");
+        }
+        ResultSetMetaData meta = rs.getMetaData();
+        int columns = meta.getColumnCount();
+        int rows = 0;
+        if (metadata) {
+            buff.append("<tr><th>i</th><th>label</th><th>cat</th><th>schem</th>" +
+                "<th>tab</th><th>col</th><th>type</th><th>typeName</th><th>class</th>" +
+                "<th>prec</th><th>scale</th><th>size</th><th>autoInc</th>" +
+                "<th>case</th><th>currency</th><th>null</th><th>ro</th>" +
+                "<th>search</th><th>sig</th><th>w</th><th>defW</th></tr>");
+            for (int i = 1; i <= columns; i++) {
+                buff.append("<tr>").
+                    append("<td>").append(i).append("</td>").
+                    append("<td>").append(PageParser.escapeHtml(meta.getColumnLabel(i))).append("</td>").
+                    append("<td>").append(PageParser.escapeHtml(meta.getCatalogName(i))).append("</td>").
+                    append("<td>").append(PageParser.escapeHtml(meta.getSchemaName(i))).append("</td>").
+                    append("<td>").append(PageParser.escapeHtml(meta.getTableName(i))).append("</td>").
+                    append("<td>").append(PageParser.escapeHtml(meta.getColumnName(i))).append("</td>").
+                    append("<td>").append(meta.getColumnType(i)).append("</td>").
+                    append("<td>").append(PageParser.escapeHtml(meta.getColumnTypeName(i))).append("</td>").
+                    append("<td>").append(PageParser.escapeHtml(meta.getColumnClassName(i))).append("</td>").
+                    append("<td>").append(meta.getPrecision(i)).append("</td>").
+                    append("<td>").append(meta.getScale(i)).append("</td>").
+                    append("<td>").append(meta.getColumnDisplaySize(i)).append("</td>").
+                    append("<td>").append(meta.isAutoIncrement(i)).append("</td>").
+                    append("<td>").append(meta.isCaseSensitive(i)).append("</td>").
+                    append("<td>").append(meta.isCurrency(i)).append("</td>").
+                    append("<td>").append(meta.isNullable(i)).append("</td>").
+                    append("<td>").append(meta.isReadOnly(i)).append("</td>").
+                    append("<td>").append(meta.isSearchable(i)).append("</td>").
+                    append("<td>").append(meta.isSigned(i)).append("</td>").
+                    append("<td>").append(meta.isWritable(i)).append("</td>").
+                    append("<td>").append(meta.isDefinitelyWritable(i)).append("</td>").
+                    append("</tr>");
+            }
+        } else if (list) {
+            buff.append("<tr><th>Column</th><th>Data</th></tr><tr>");
+            while (rs.next()) {
+                if (maxrows > 0 && rows >= maxrows) {
+                    break;
+                }
+                rows++;
+                buff.append("<tr><td>Row #</td><td>").
+                    append(rows).append("</tr>");
+                for (int i = 0; i < columns; i++) {
+                    buff.append("<tr><td>").
+                        append(PageParser.escapeHtml(meta.getColumnLabel(i + 1))).
+                        append("</td><td>").
+                        append(escapeData(rs, i + 1)).
+                        append("</td></tr>");
+                }
+            }
+        } else {
+            buff.append("<tr>");
+            if (edit) {
+                buff.append("<th>Action</th>");
+            }
+            for (int i = 0; i < columns; i++) {
+                buff.append("<th>").
+                    append(PageParser.escapeHtml(meta.getColumnLabel(i + 1))).
+                    append("</th>");
+            }
+            buff.append("</tr>");
+            while (rs.next()) {
+                if (maxrows > 0 && rows >= maxrows) {
+                    break;
+                }
+                rows++;
+                buff.append("<tr>");
+                if (edit) {
+                    buff.append("<td>").
+                        append("<img onclick=\"javascript:editRow(").
+                        append(rs.getRow()).
+                        append(",'${sessionId}', '${text.resultEdit.save}', '${text.resultEdit.cancel}'").
+                        append(")\" width=16 height=16 src=\"ico_write.gif\" onmouseover = \"this.className ='icon_hover'\" onmouseout = \"this.className ='icon'\" class=\"icon\" alt=\"${text.resultEdit.edit}\" title=\"${text.resultEdit.edit}\" border=\"1\"/>").
+                        append("<a href=\"editResult.do?op=2&row=").
+                        append(rs.getRow()).
+                        append("&jsessionid=${sessionId}\" target=\"h2result\" ><img width=16 height=16 src=\"ico_remove.gif\" onmouseover = \"this.className ='icon_hover'\" onmouseout = \"this.className ='icon'\" class=\"icon\" alt=\"${text.resultEdit.delete}\" title=\"${text.resultEdit.delete}\" border=\"1\" /></a>").
+                        append("</td>");
+                }
+                for (int i = 0; i < columns; i++) {
+                    buff.append("<td>").
+                        append(escapeData(rs, i + 1)).
+                        append("</td>");
+                }
+                buff.append("</tr>");
+            }
+        }
+        boolean isUpdatable = false;
+        try {
+            isUpdatable = rs.getConcurrency() == ResultSet.CONCUR_UPDATABLE
+                && rs.getType() != ResultSet.TYPE_FORWARD_ONLY;
+        } catch (NullPointerException e) {
+            // ignore
+            // workaround for a JDBC-ODBC bridge problem
+        }
+        if (edit) {
+            ResultSet old = session.result;
+            if (old != null) {
+                old.close();
+            }
+            session.result = rs;
+        } else {
+            rs.close();
+        }
+        if (edit) {
+            buff.append("<tr><td>").
+                append("<img onclick=\"javascript:editRow(-1, '${sessionId}', '${text.resultEdit.save}', '${text.resultEdit.cancel}'").
+                append(")\" width=16 height=16 src=\"ico_add.gif\" onmouseover = \"this.className ='icon_hover'\" onmouseout = \"this.className ='icon'\" class=\"icon\" alt=\"${text.resultEdit.add}\" title=\"${text.resultEdit.add}\" border=\"1\"/>").
+                append("</td>");
+            for (int i = 0; i < columns; i++) {
+                buff.append("<td></td>");
+            }
+            buff.append("</tr>");
+        }
+        buff.append("</table>");
+        if (edit) {
+            buff.append("</form>");
+        }
+        if (rows == 0) {
+            buff.append("(${text.result.noRows}");
+        } else if (rows == 1) {
+            buff.append("(${text.result.1row}");
+        } else {
+            buff.append('(').append(rows).append(" ${text.result.rows}");
+        }
+        buff.append(", ");
+        time = System.currentTimeMillis() - time;
+        buff.append(time).append(" ms)");
+        if (!edit && isUpdatable && allowEdit) {
+            buff.append("<br /><br /><form name=\"editResult\" method=\"post\" action=\"query.do?jsessionid=${sessionId}\" target=\"h2result\">" +
+                "<input type=\"submit\" class=\"button\" value=\"${text.resultEdit.editResult}\" />" +
+                "<input type=\"hidden\" name=\"sql\" value=\"@EDIT ").
+                append(PageParser.escapeHtml(sql)).
+                append("\" /></form>");
+        }
+        return buff.toString();
+    }
+
+    /**
+     * Save the current connection settings to the properties file.
+     *
+     * @return the file to open afterwards
+     */
+    String settingSave() {
+        ConnectionInfo info = new ConnectionInfo();
+        info.name = attributes.getProperty("name", "");
+        info.driver = attributes.getProperty("driver", "");
+        info.url = attributes.getProperty("url", "");
+        info.user = attributes.getProperty("user", "");
+        server.updateSetting(info);
+        attributes.put("setting", info.name);
+        server.saveSettings(null);
+        return "index.do";
+    }
+
+    private String escapeData(ResultSet rs, int columnIndex) throws SQLException {
+        String d = rs.getString(columnIndex);
+        if (d == null) {
+            return "<i>null</i>";
+        } else if (d.length() > SysProperties.WEB_MAX_VALUE_LENGTH) {
+            return "<div style='display: none'>=+</div>" +
+                PageParser.escapeHtml(d.substring(0, 100) + "... (" + d.length() + ")");
+        } else if (d.equals("null") || d.startsWith("= ") || d.startsWith("=+")) {
+            return "<div style='display: none'>= </div>" + PageParser.escapeHtml(d);
+        }
+        return PageParser.escapeHtml(d);
+    }
+
+    private void unescapeData(String d, ResultSet rs, int columnIndex) throws SQLException {
+        if (d.equals("null")) {
+            rs.updateNull(columnIndex);
+        } else if (d.startsWith("=+")) {
+            // don't update
+        } else if (d.startsWith("= ")) {
+            d = d.substring(2);
+            rs.updateString(columnIndex, d);
+        } else {
+            rs.updateString(columnIndex, d);
+        }
+    }
+
+    private String settingRemove() {
+        String setting = attributes.getProperty("name", "");
+        server.removeSetting(setting);
+        ArrayList<ConnectionInfo> settings = server.getSettings();
+        if (settings.size() > 0) {
+            attributes.put("setting", settings.get(0));
+        }
+        server.saveSettings(null);
+        return "index.do";
+    }
+
+    /**
+     * Get the current mime type.
+     *
+     * @return the mime type
+     */
+    String getMimeType() {
+        return mimeType;
+    }
+
+    boolean getCache() {
+        return cache;
+    }
+
+    WebSession getSession() {
+        return session;
+    }
+
+    public void closingDatabase() {
+        trace("Closing database");
+    }
+
+    public void diskSpaceIsLow(long stillAvailable) {
+        trace("No more disk space is available");
+    }
+
+    public void exceptionThrown(SQLException e, String sql) {
+        trace("Exception: " + e.toString() + " SQL: " + sql);
+    }
+
+    public void init(String url) {
+        trace("Init: " + url);
+    }
+
+    public void opened() {
+        trace("Database was opened");
+    }
+
+    public void setProgress(int state, String name, int x, int max) {
+        if (state == listenerLastState) {
+            long time = System.currentTimeMillis();
+            if (listenerLastEvent + 500 < time) {
+                return;
+            }
+            listenerLastEvent = time;
+        } else {
+            listenerLastState = state;
+        }
+        switch (state) {
+        case DatabaseEventListener.STATE_BACKUP_FILE:
+            trace("Backing up " + name + " " + (100L * x / max) + "%");
+            break;
+        case DatabaseEventListener.STATE_CREATE_INDEX:
+            trace("Creating index " + name + " " + (100L * x / max) + "%");
+            break;
+        case DatabaseEventListener.STATE_RECOVER:
+            trace("Recovering " + name + " " + (100L * x / max) + "%");
+            break;
+        case DatabaseEventListener.STATE_SCAN_FILE:
+            trace("Scanning file " + name + " " + (100L * x / max) + "%");
+            break;
+        default:
+            trace("Unknown state: " + state);
+        }
+    }
+
+    private void trace(String s) {
+        server.trace(s);
+    }
+
+}

h2/src/main/org/h2/server/web/WebServer.java

@@ -289,7 +289,11 @@ public class WebServer implements Service {
     }
 
     private void updateURL() {
-        url = (ssl ? "https" : "http") + "://" + NetUtils.getLocalAddress() + ":" + port;
+        try {
+            url = (ssl ? "https" : "http") + "://" + NetUtils.getLocalAddress() + ":" + port;
+        } catch (NoClassDefFoundError e) {
+            // Google App Engine does not allow java.net.InetAddress
+        }
     }
 
     public void start() throws SQLException {

h2/src/main/org/h2/server/web/WebServlet.java

@@ -64,6 +64,9 @@ public class WebServlet extends HttpServlet {
             return address.isLoopbackAddress();
         } catch (UnknownHostException e) {
             return false;
+        } catch (NoClassDefFoundError e) {
+            // Google App Engine does not allow java.net.InetAddress
+            return false;
         }
     }
 
@@ -106,7 +109,7 @@ public class WebServlet extends HttpServlet {
         if (sessionId != null) {
             session = server.getSession(sessionId);
         }
-        WebThread app = new WebThread(null, server);
+        WebApp app = new WebApp(server);
         app.setSession(session, attributes);
         String ifModifiedSince = req.getHeader("if-modified-since");
 

h2/src/main/org/h2/server/web/WebThread.java

@@ -8,109 +8,52 @@ package org.h2.server.web;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.DataInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.io.PrintStream;
 import java.io.PrintWriter;
-import java.io.StringReader;
-import java.io.StringWriter;
-import java.lang.reflect.Method;
 import java.net.Socket;
 import java.net.UnknownHostException;
-import java.security.SecureClassLoader;
 import java.sql.Connection;
-import java.sql.DatabaseMetaData;
-import java.sql.ParameterMetaData;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.ResultSetMetaData;
 import java.sql.SQLException;
-import java.sql.Statement;
-import java.sql.Types;
 import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Collections;
 import java.util.Date;
-import java.util.HashMap;
 import java.util.Locale;
-import java.util.Map;
 import java.util.Properties;
-import java.util.Random;
 import java.util.StringTokenizer;
 
 import org.h2.api.DatabaseEventListener;
-import org.h2.bnf.Bnf;
-import org.h2.constant.ErrorCode;
-import org.h2.constant.SysProperties;
 import org.h2.engine.Constants;
-import org.h2.jdbc.JdbcSQLException;
-import org.h2.message.Message;
 import org.h2.message.TraceSystem;
-import org.h2.tools.Backup;
-import org.h2.tools.ChangeFileEncryption;
-import org.h2.tools.ConvertTraceFile;
-import org.h2.tools.CreateCluster;
-import org.h2.tools.DeleteDbFiles;
-import org.h2.tools.Recover;
-import org.h2.tools.Restore;
-import org.h2.tools.RunScript;
-import org.h2.tools.Script;
-import org.h2.tools.SimpleResultSet;
 import org.h2.util.IOUtils;
-import org.h2.util.JdbcUtils;
-import org.h2.util.MathUtils;
 import org.h2.util.MemoryUtils;
 import org.h2.util.NetUtils;
-import org.h2.util.New;
-import org.h2.util.ObjectArray;
-import org.h2.util.ScriptReader;
-import org.h2.util.SortedProperties;
-import org.h2.util.StatementBuilder;
 import org.h2.util.StringUtils;
-import org.h2.util.Tool;
 
 /**
  * For each connection to a session, an object of this class is created.
  * This class is used by the H2 Console.
  */
-class WebThread extends Thread implements DatabaseEventListener {
+class WebThread extends WebApp implements Runnable {
 
-    WebSession session;
-    OutputStream output;
-    String mimeType;
-    long listenerLastEvent;
-    int listenerLastState;
-    Socket socket;
-    WebServer server;
-
-    private Properties attributes;
+    protected OutputStream output;
+    protected Socket socket;
+    private Thread thread;
     private InputStream input;
     private String ifModifiedSince;
-    private boolean cache;
-    private boolean stop;
-    private String headerLanguage;
 
     WebThread(Socket socket, WebServer server) {
-        this.server = server;
+        super(server);
         this.socket = socket;
-        setName("H2 Console thread");
+        thread = new Thread(this, "H2 Console thread");
     }
 
-    /**
-     * Set the web session and attributes.
-     *
-     * @param session the session
-     * @param attributes the attributes
-     */
-    void setSession(WebSession session, Properties attributes) {
-        this.session = session;
-        this.attributes = attributes;
+    public void start() {
+        thread.start();
+    }
+
+    public void join(int millis) throws InterruptedException {
+        thread.join(millis);
     }
 
     /**
@@ -135,56 +78,6 @@ class WebThread extends Thread implements DatabaseEventListener {
         return requestedFile;
     }
 
-    /**
-     * Process an HTTP request.
-     *
-     * @param file the file that was requested
-     * @param the host address
-     * @return the name of the file to return to the client
-     */
-    String processRequest(String file, String hostAddr) {
-        int index = file.lastIndexOf('.');
-        String suffix;
-        if (index >= 0) {
-            suffix = file.substring(index + 1);
-        } else {
-            suffix = "";
-        }
-        if ("ico".equals(suffix)) {
-            mimeType = "image/x-icon";
-            cache = true;
-        } else if ("gif".equals(suffix)) {
-            mimeType = "image/gif";
-            cache = true;
-        } else if ("css".equals(suffix)) {
-            cache = true;
-            mimeType = "text/css";
-        } else if ("html".equals(suffix) || "do".equals(suffix) || "jsp".equals(suffix)) {
-            cache = false;
-            mimeType = "text/html";
-            if (session == null) {
-                session = server.createNewSession(hostAddr);
-                if (!"notAllowed.jsp".equals(file)) {
-                    file = "index.do";
-                }
-            }
-        } else if ("js".equals(suffix)) {
-            cache = true;
-            mimeType = "text/javascript";
-        } else {
-            cache = false;
-            mimeType = "text/html";
-            file = "error.jsp";
-            trace("Unknown mime type, file " + file);
-        }
-        trace("mimeType=" + mimeType);
-        trace(file);
-        if (file.endsWith(".do")) {
-            file = process(file);
-        }
-        return file;
-    }
-
     public void run() {
         try {
             input = new BufferedInputStream(socket.getInputStream());
@@ -276,38 +169,6 @@ class WebThread extends Thread implements DatabaseEventListener {
         return keepAlive;
     }
 
-    private String getComboBox(String[] elements, String selected) {
-        StringBuilder buff = new StringBuilder();
-        for (String value : elements) {
-            buff.append("<option value=\"").
-                append(PageParser.escapeHtmlData(value)).
-                append("\"");
-            if (value.equals(selected)) {
-                buff.append(" selected");
-            }
-            buff.append('>').
-                append(PageParser.escapeHtml(value)).
-                append("</option>");
-        }
-        return buff.toString();
-    }
-
-    private String getComboBox(String[][] elements, String selected) {
-        StringBuilder buff = new StringBuilder();
-        for (String[] n : elements) {
-            buff.append("<option value=\"").
-                append(PageParser.escapeHtmlData(n[0])).
-                append("\"");
-            if (n[0].equals(selected)) {
-                buff.append(" selected");
-            }
-            buff.append('>').
-                append(PageParser.escapeHtml(n[1])).
-                append("</option>");
-        }
-        return buff.toString();
-    }
-
     private String readHeaderLine() throws IOException {
         StringBuilder buff = new StringBuilder();
         while (true) {
@@ -411,645 +272,12 @@ class WebThread extends Thread implements DatabaseEventListener {
         return keepAlive;
     }
 
-    private String process(String file) {
-        trace("process " + file);
-        while (file.endsWith(".do")) {
-            if ("login.do".equals(file)) {
-                file = login();
-            } else if ("index.do".equals(file)) {
-                file = index();
-            } else if ("logout.do".equals(file)) {
-                file = logout();
-            } else if ("settingRemove.do".equals(file)) {
-                file = settingRemove();
-            } else if ("settingSave.do".equals(file)) {
-                file = settingSave();
-            } else if ("test.do".equals(file)) {
-                file = test();
-            } else if ("query.do".equals(file)) {
-                file = query();
-            } else if ("tables.do".equals(file)) {
-                file = tables();
-            } else if ("editResult.do".equals(file)) {
-                file = editResult();
-            } else if ("getHistory.do".equals(file)) {
-                file = getHistory();
-            } else if ("admin.do".equals(file)) {
-                file = admin();
-            } else if ("adminSave.do".equals(file)) {
-                file = adminSave();
-            } else if ("adminStartTranslate.do".equals(file)) {
-                file = adminStartTranslate();
-            } else if ("adminShutdown.do".equals(file)) {
-                file = adminShutdown();
-            } else if ("autoCompleteList.do".equals(file)) {
-                file = autoCompleteList();
-            } else if ("tools.do".equals(file)) {
-                file = tools();
-            } else {
-                file = "error.jsp";
-            }
-        }
-        trace("return " + file);
-        return file;
-    }
-
-    private String autoCompleteList() {
-        String query = (String) attributes.get("query");
-        boolean lowercase = false;
-        if (query.trim().length() > 0 && Character.isLowerCase(query.trim().charAt(0))) {
-            lowercase = true;
-        }
-        try {
-            String sql = query;
-            if (sql.endsWith(";")) {
-                sql += " ";
-            }
-            ScriptReader reader = new ScriptReader(new StringReader(sql));
-            reader.setSkipRemarks(true);
-            String lastSql = "";
-            while (true) {
-                String n = reader.readStatement();
-                if (n == null) {
-                    break;
-                }
-                lastSql = n;
-            }
-            String result = "";
-            if (reader.isInsideRemark()) {
-                if (reader.isBlockRemark()) {
-                    result = "1#(End Remark)# */\n" + result;
-                } else {
-                    result = "1#(Newline)#\n" + result;
-                }
-            } else {
-                sql = lastSql;
-                while (sql.length() > 0 && sql.charAt(0) <= ' ') {
-                    sql = sql.substring(1);
-                }
-                if (sql.trim().length() > 0 && Character.isLowerCase(sql.trim().charAt(0))) {
-                    lowercase = true;
-                }
-                Bnf bnf = session.getBnf();
-                if (bnf == null) {
-                    return "autoCompleteList.jsp";
-                }
-                HashMap<String, String> map = bnf.getNextTokenList(sql);
-                String space = "";
-                if (sql.length() > 0) {
-                    char last = sql.charAt(sql.length() - 1);
-                    if (!Character.isWhitespace(last) && (last != '.' && last >= ' ' && last != '\'' && last != '"')) {
-                        space = " ";
-                    }
-                }
-                ArrayList<String> list = New.arrayList(map.size());
-                for (Map.Entry<String, String> entry : map.entrySet()) {
-                    String key = entry.getKey();
-                    String value = entry.getValue();
-                    String type = "" + key.charAt(0);
-                    key = key.substring(2);
-                    if (Character.isLetter(key.charAt(0)) && lowercase) {
-                        key = StringUtils.toLowerEnglish(key);
-                        value = StringUtils.toLowerEnglish(value);
-                    }
-                    if (key.equals(value) && !".".equals(value)) {
-                        value = space + value;
-                    }
-                    key = StringUtils.urlEncode(key);
-                    key = StringUtils.replaceAll(key, "+", " ");
-                    value = StringUtils.urlEncode(value);
-                    value = StringUtils.replaceAll(value, "+", " ");
-                    list.add(type + "#" + key + "#" + value);
-                }
-                Collections.sort(list);
-                if (query.endsWith("\n") || query.trim().endsWith(";")) {
-                    list.add(0, "1#(Newline)#\n");
-                }
-                StatementBuilder buff = new StatementBuilder();
-                for (String s : list) {
-                    buff.appendExceptFirst("|");
-                    buff.append(s);
-                }
-                result = buff.toString();
-            }
-            session.put("autoCompleteList", result);
-        } catch (Throwable e) {
-            server.traceError(e);
-        }
-        return "autoCompleteList.jsp";
-    }
-
-    private String admin() {
-        session.put("port", "" + server.getPort());
-        session.put("allowOthers", "" + server.getAllowOthers());
-        session.put("ssl", String.valueOf(server.getSSL()));
-        session.put("sessions", server.getSessions());
-        return "admin.jsp";
-    }
-
-    private String adminSave() {
-        try {
-            Properties prop = new SortedProperties();
-            int port = MathUtils.decodeInt((String) attributes.get("port"));
-            prop.setProperty("webPort", String.valueOf(port));
-            server.setPort(port);
-            boolean allowOthers = Boolean.valueOf((String) attributes.get("allowOthers")).booleanValue();
-            prop.setProperty("webAllowOthers", String.valueOf(allowOthers));
-            server.setAllowOthers(allowOthers);
-            boolean ssl = Boolean.valueOf((String) attributes.get("ssl")).booleanValue();
-            prop.setProperty("webSSL", String.valueOf(ssl));
-            server.setSSL(ssl);
-            server.saveSettings(prop);
-        } catch (Exception e) {
-            trace(e.toString());
-        }
-        return admin();
-    }
-
-    private String tools() {
-        try {
-            String toolName = (String) attributes.get("tool");
-            session.put("tool", toolName);
-            String args = (String) attributes.get("args");
-            String[] argList = StringUtils.arraySplit(args, ',', false);
-            Tool tool = null;
-            if ("Backup".equals(toolName)) {
-                tool = new Backup();
-            } else if ("Restore".equals(toolName)) {
-                tool = new Restore();
-            } else if ("Recover".equals(toolName)) {
-                tool = new Recover();
-            } else if ("DeleteDbFiles".equals(toolName)) {
-                tool = new DeleteDbFiles();
-            } else if ("ChangeFileEncryption".equals(toolName)) {
-                tool = new ChangeFileEncryption();
-            } else if ("Script".equals(toolName)) {
-                tool = new Script();
-            } else if ("RunScript".equals(toolName)) {
-                tool = new RunScript();
-            } else if ("ConvertTraceFile".equals(toolName)) {
-                tool = new ConvertTraceFile();
-            } else if ("CreateCluster".equals(toolName)) {
-                tool = new CreateCluster();
-            } else {
-                throw Message.throwInternalError(toolName);
-            }
-            ByteArrayOutputStream outBuff = new ByteArrayOutputStream();
-            PrintStream out = new PrintStream(outBuff, false, "UTF-8");
-            tool.setOut(out);
-            try {
-                tool.run(argList);
-                out.flush();
-                String o = new String(outBuff.toByteArray(), "UTF-8");
-                String result = PageParser.escapeHtml(o);
-                session.put("toolResult", result);
-            } catch (Exception e) {
-                session.put("toolResult", getStackTrace(0, e, true));
-            }
-        } catch (Exception e) {
-            server.traceError(e);
-        }
-        return "tools.jsp";
-    }
-
-    @SuppressWarnings("unchecked")
-    private String adminStartTranslate() {
-        Map<Object, Object> p = (Map<Object, Object>) session.map.get("text");
-        String file = server.startTranslate(p);
-        session.put("translationFile", file);
-        return "helpTranslate.jsp";
-    }
-
-    private String adminShutdown() {
+    protected String adminShutdown() {
         stopNow();
-        server.shutdown();
-        return "admin.jsp";
-    }
-
-    private String index() {
-        String[][] languageArray = server.getLanguageArray();
-        String language = (String) attributes.get("language");
-        Locale locale = session.locale;
-        if (language != null) {
-            if (locale == null || !StringUtils.toLowerEnglish(locale.getLanguage()).equals(language)) {
-                locale = new Locale(language, "");
-                server.readTranslations(session, locale.getLanguage());
-                session.put("language", language);
-                session.locale = locale;
-            }
-        } else {
-            language = (String) session.get("language");
-        }
-        if (language == null) {
-            // if the language is not yet known
-            // use the last header
-            language = headerLanguage;
-        }
-        session.put("languageCombo", getComboBox(languageArray, language));
-        String[] settingNames = server.getSettingNames();
-        String setting = attributes.getProperty("setting");
-        if (setting == null && settingNames.length > 0) {
-            setting = settingNames[0];
-        }
-        String combobox = getComboBox(settingNames, setting);
-        session.put("settingsList", combobox);
-        ConnectionInfo info = server.getSetting(setting);
-        if (info == null) {
-            info = new ConnectionInfo();
-        }
-        session.put("setting", PageParser.escapeHtmlData(setting));
-        session.put("name", PageParser.escapeHtmlData(setting));
-        session.put("driver", PageParser.escapeHtmlData(info.driver));
-        session.put("url", PageParser.escapeHtmlData(info.url));
-        session.put("user", PageParser.escapeHtmlData(info.user));
-        return "index.jsp";
-    }
-
-    private String getHistory() {
-        int id = Integer.parseInt(attributes.getProperty("id"));
-        String sql = session.getCommand(id);
-        session.put("query", PageParser.escapeHtmlData(sql));
-        return "query.jsp";
-    }
-
-    private int addColumns(boolean mainSchema, DbTableOrView table, StringBuilder buff, int treeIndex, boolean showColumnTypes,
-            StringBuilder columnsBuffer) {
-        DbColumn[] columns = table.columns;
-        for (int i = 0; columns != null && i < columns.length; i++) {
-            DbColumn column = columns[i];
-            if (columnsBuffer.length() > 0) {
-                columnsBuffer.append(' ');
-            }
-            columnsBuffer.append(column.name);
-            String col = StringUtils.urlEncode(PageParser.escapeJavaScript(column.name));
-            String level = mainSchema ? ", 1, 1" : ", 2, 2";
-            buff.append("setNode(" + treeIndex + level + ", 'column', '" + PageParser.escapeJavaScript(column.name)
-                    + "', 'javascript:ins(\\'" + col + "\\')');\n");
-            treeIndex++;
-            if (mainSchema && showColumnTypes) {
-                buff.append("setNode(" + treeIndex + ", 2, 2, 'type', '" + PageParser.escapeJavaScript(column.dataType)
-                        + "', null);\n");
-                treeIndex++;
-            }
-        }
-        return treeIndex;
-    }
-
-    /**
-     * This class represents index information for the GUI.
-     */
-    static class IndexInfo {
-
-        /**
-         * The index name.
-         */
-        String name;
-
-        /**
-         * The index type name.
-         */
-        String type;
-
-        /**
-         * The indexed columns.
-         */
-        String columns;
+        return super.adminShutdown();
     }
 
-    private int addIndexes(boolean mainSchema, DatabaseMetaData meta, String table, String schema, StringBuilder buff, int treeIndex)
-            throws SQLException {
-        ResultSet rs = meta.getIndexInfo(null, schema, table, false, true);
-        HashMap<String, IndexInfo> indexMap = New.hashMap();
-        while (rs.next()) {
-            String name = rs.getString("INDEX_NAME");
-            IndexInfo info = indexMap.get(name);
-            if (info == null) {
-                int t = rs.getInt("TYPE");
-                String type;
-                if (t == DatabaseMetaData.tableIndexClustered) {
-                    type = "";
-                } else if (t == DatabaseMetaData.tableIndexHashed) {
-                    type = " (${text.tree.hashed})";
-                } else if (t == DatabaseMetaData.tableIndexOther) {
-                    type = "";
-                } else {
-                    type = null;
-                }
-                if (name != null && type != null) {
-                    info = new IndexInfo();
-                    info.name = name;
-                    type = (rs.getBoolean("NON_UNIQUE") ? "${text.tree.nonUnique}" : "${text.tree.unique}") + type;
-                    info.type = type;
-                    info.columns = rs.getString("COLUMN_NAME");
-                    indexMap.put(name, info);
-                }
-            } else {
-                info.columns += ", " + rs.getString("COLUMN_NAME");
-            }
-        }
-        rs.close();
-        if (indexMap.size() > 0) {
-            String level = mainSchema ? ", 1, 1" : ", 2, 1";
-            String levelIndex = mainSchema ? ", 2, 1" : ", 3, 1";
-            String levelColumnType = mainSchema ? ", 3, 2" : ", 4, 2";
-            buff.append("setNode(" + treeIndex + level + ", 'index_az', '${text.tree.indexes}', null);\n");
-            treeIndex++;
-            for (IndexInfo info : indexMap.values()) {
-                buff.append("setNode(" + treeIndex + levelIndex + ", 'index', '" + PageParser.escapeJavaScript(info.name)
-                        + "', null);\n");
-                treeIndex++;
-                buff.append("setNode(" + treeIndex + levelColumnType + ", 'type', '" + info.type + "', null);\n");
-                treeIndex++;
-                buff.append("setNode(" + treeIndex + levelColumnType + ", 'type', '" + PageParser.escapeJavaScript(info.columns)
-                        + "', null);\n");
-                treeIndex++;
-            }
-        }
-        return treeIndex;
-    }
-
-    private int addTablesAndViews(DbSchema schema, boolean mainSchema, StringBuilder buff, int treeIndex)
-            throws SQLException {
-        if (schema == null) {
-            return treeIndex;
-        }
-        Connection conn = session.getConnection();
-        DatabaseMetaData meta = session.getMetaData();
-        int level = mainSchema ? 0 : 1;
-        boolean showColumns = mainSchema || !schema.isSystem;
-        String indentation = ", " + level + ", " + (showColumns ? "1" : "2") + ", ";
-        String indentNode = ", " + (level + 1) + ", 2, ";
-        DbTableOrView[] tables = schema.tables;
-        if (tables == null) {
-            return treeIndex;
-        }
-        boolean isOracle = schema.contents.isOracle;
-        boolean notManyTables = tables.length < DbSchema.MAX_TABLES_LIST_INDEXES;
-        for (DbTableOrView table : tables) {
-            if (table.isView) {
-                continue;
-            }
-            int tableId = treeIndex;
-            String tab = table.quotedName;
-            if (!mainSchema) {
-                tab = schema.quotedName + "." + tab;
-            }
-            tab = StringUtils.urlEncode(PageParser.escapeJavaScript(tab));
-            buff.append("setNode(" + treeIndex + indentation + " 'table', '" + PageParser.escapeJavaScript(table.name)
-                    + "', 'javascript:ins(\\'" + tab + "\\',true)');\n");
-            treeIndex++;
-            if (mainSchema || showColumns) {
-                StringBuilder columnsBuffer = new StringBuilder();
-                treeIndex = addColumns(mainSchema, table, buff, treeIndex, notManyTables, columnsBuffer);
-                if (!isOracle && notManyTables) {
-                    treeIndex = addIndexes(mainSchema, meta, table.name, schema.name, buff, treeIndex);
-                }
-                buff.append("addTable('" + PageParser.escapeJavaScript(table.name) + "', '"
-                        + PageParser.escapeJavaScript(columnsBuffer.toString()) + "', " + tableId + ");\n");
-            }
-        }
-        tables = schema.tables;
-        for (DbTableOrView view : tables) {
-            if (!view.isView) {
-                continue;
-            }
-            int tableId = treeIndex;
-            String tab = view.quotedName;
-            if (!mainSchema) {
-                tab = view.schema.quotedName + "." + tab;
-            }
-            tab = StringUtils.urlEncode(PageParser.escapeJavaScript(tab));
-            buff.append("setNode(" + treeIndex + indentation + " 'view', '" + PageParser.escapeJavaScript(view.name)
-                    + "', 'javascript:ins(\\'" + tab + "\\',true)');\n");
-            treeIndex++;
-            if (mainSchema) {
-                StringBuilder columnsBuffer = new StringBuilder();
-                treeIndex = addColumns(mainSchema, view, buff, treeIndex, notManyTables, columnsBuffer);
-                if (schema.contents.isH2) {
-                    PreparedStatement prep = null;
-                    try {
-                        prep = conn.prepareStatement("SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME=?");
-                        prep.setString(1, view.name);
-                        ResultSet rs = prep.executeQuery();
-                        if (rs.next()) {
-                            String sql = rs.getString("SQL");
-                            buff.append("setNode(" + treeIndex + indentNode + " 'type', '"
-                                    + PageParser.escapeJavaScript(sql) + "', null);\n");
-                            treeIndex++;
-                        }
-                        rs.close();
-                    } finally {
-                        JdbcUtils.closeSilently(prep);
-                    }
-                }
-                buff.append("addTable('" + PageParser.escapeJavaScript(view.name) + "', '"
-                        + PageParser.escapeJavaScript(columnsBuffer.toString()) + "', " + tableId + ");\n");
-            }
-        }
-        return treeIndex;
-    }
-
-    private String tables() {
-        DbContents contents = session.getContents();
-        boolean isH2 = false;
-        try {
-            contents.readContents(session.getMetaData());
-            session.loadBnf();
-            Connection conn = session.getConnection();
-            DatabaseMetaData meta = session.getMetaData();
-            isH2 = contents.isH2;
-
-            StringBuilder buff = new StringBuilder();
-            buff.append("setNode(0, 0, 0, 'database', '" + PageParser.escapeJavaScript((String) session.get("url"))
-                    + "', null);\n");
-            int treeIndex = 1;
-
-            DbSchema defaultSchema = contents.defaultSchema;
-            treeIndex = addTablesAndViews(defaultSchema, true, buff, treeIndex);
-            DbSchema[] schemas = contents.schemas;
-            for (DbSchema schema : schemas) {
-                if (schema == defaultSchema || schema == null) {
-                    continue;
-                }
-                buff.append("setNode(" + treeIndex + ", 0, 1, 'folder', '" + PageParser.escapeJavaScript(schema.name)
-                        + "', null);\n");
-                treeIndex++;
-                treeIndex = addTablesAndViews(schema, false, buff, treeIndex);
-            }
-            if (isH2) {
-                Statement stat = null;
-                try {
-                    stat = conn.createStatement();
-                    ResultSet rs = stat
-                            .executeQuery("SELECT * FROM INFORMATION_SCHEMA.SEQUENCES ORDER BY SEQUENCE_NAME");
-                    for (int i = 0; rs.next(); i++) {
-                        if (i == 0) {
-                            buff.append("setNode(" + treeIndex
-                                    + ", 0, 1, 'sequences', '${text.tree.sequences}', null);\n");
-                            treeIndex++;
-                        }
-                        String name = rs.getString("SEQUENCE_NAME");
-                        String current = rs.getString("CURRENT_VALUE");
-                        String increment = rs.getString("INCREMENT");
-                        buff.append("setNode(" + treeIndex + ", 1, 1, 'sequence', '"
-                                + PageParser.escapeJavaScript(name) + "', null);\n");
-                        treeIndex++;
-                        buff.append("setNode(" + treeIndex + ", 2, 2, 'type', '${text.tree.current}: "
-                                + PageParser.escapeJavaScript(current) + "', null);\n");
-                        treeIndex++;
-                        if (!"1".equals(increment)) {
-                            buff.append("setNode(" + treeIndex + ", 2, 2, 'type', '${text.tree.increment}: "
-                                    + PageParser.escapeJavaScript(increment) + "', null);\n");
-                            treeIndex++;
-                        }
-                    }
-                    rs.close();
-                    rs = stat.executeQuery("SELECT * FROM INFORMATION_SCHEMA.USERS ORDER BY NAME");
-                    for (int i = 0; rs.next(); i++) {
-                        if (i == 0) {
-                            buff.append("setNode(" + treeIndex + ", 0, 1, 'users', '${text.tree.users}', null);\n");
-                            treeIndex++;
-                        }
-                        String name = rs.getString("NAME");
-                        String admin = rs.getString("ADMIN");
-                        buff.append("setNode(" + treeIndex + ", 1, 1, 'user', '" + PageParser.escapeJavaScript(name)
-                                + "', null);\n");
-                        treeIndex++;
-                        if (admin.equalsIgnoreCase("TRUE")) {
-                            buff.append("setNode(" + treeIndex + ", 2, 2, 'type', '${text.tree.admin}', null);\n");
-                            treeIndex++;
-                        }
-                    }
-                    rs.close();
-                } finally {
-                    JdbcUtils.closeSilently(stat);
-                }
-            }
-            String version = meta.getDatabaseProductName() + " " + meta.getDatabaseProductVersion();
-            buff.append("setNode(" + treeIndex + ", 0, 0, 'info', '" + PageParser.escapeJavaScript(version)
-                    + "', null);\n");
-            buff.append("refreshQueryTables();");
-            session.put("tree", buff.toString());
-        } catch (Exception e) {
-            session.put("tree", "");
-            session.put("error", getStackTrace(0, e, isH2));
-        }
-        return "tables.jsp";
-    }
-
-    private String getStackTrace(int id, Throwable e, boolean isH2) {
-        try {
-            StringWriter writer = new StringWriter();
-            e.printStackTrace(new PrintWriter(writer));
-            String stackTrace = writer.toString();
-            stackTrace = PageParser.escapeHtml(stackTrace);
-            if (isH2) {
-                stackTrace = linkToSource(stackTrace);
-            }
-            stackTrace = StringUtils.replaceAll(stackTrace, "\t", "&nbsp;&nbsp;&nbsp;&nbsp;");
-            String message = PageParser.escapeHtml(e.getMessage());
-            String error = "<a class=\"error\" href=\"#\" onclick=\"var x=document.getElementById('st" + id
-                    + "').style;x.display=x.display==''?'none':'';\">" + message + "</a>";
-            if (e instanceof SQLException) {
-                SQLException se = (SQLException) e;
-                error += " " + se.getSQLState() + "/" + se.getErrorCode();
-                if (isH2) {
-                    int code = se.getErrorCode();
-                    error += " <a href=\"http://h2database.com/javadoc/org/h2/constant/ErrorCode.html#c" + code
-                            + "\">(${text.a.help})</a>";
-                }
-            }
-            error += "<span style=\"display: none;\" id=\"st" + id + "\"><br />" + stackTrace + "</span>";
-            error = formatAsError(error);
-            return error;
-        } catch (OutOfMemoryError e2) {
-            server.traceError(e);
-            return e.toString();
-        }
-    }
-
-    private String linkToSource(String s) {
-        try {
-            StringBuilder result = new StringBuilder(s.length());
-            int idx = s.indexOf("<br />");
-            result.append(s.substring(0, idx));
-            while (true) {
-                int start = s.indexOf("org.h2.", idx);
-                if (start < 0) {
-                    result.append(s.substring(idx));
-                    break;
-                }
-                result.append(s.substring(idx, start));
-                int end = s.indexOf(')', start);
-                if (end < 0) {
-                    result.append(s.substring(idx));
-                    break;
-                }
-                String element = s.substring(start, end);
-                int open = element.lastIndexOf('(');
-                int dotMethod = element.lastIndexOf('.', open - 1);
-                int dotClass = element.lastIndexOf('.', dotMethod - 1);
-                String packageName = element.substring(0, dotClass);
-                int colon = element.lastIndexOf(':');
-                String file = element.substring(open + 1, colon);
-                String lineNumber = element.substring(colon + 1, element.length());
-                String fullFileName = packageName.replace('.', '/') + "/" + file;
-                result.append("<a href=\"http://h2database.com/html/source.html?file=");
-                result.append(fullFileName);
-                result.append("&line=");
-                result.append(lineNumber);
-                result.append("&build=");
-                result.append(Constants.BUILD_ID);
-                result.append("\">");
-                result.append(element);
-                result.append("</a>");
-                idx = end;
-            }
-            return result.toString();
-        } catch (Throwable t) {
-            return s;
-        }
-    }
-
-    private String formatAsError(String s) {
-        return "<div class=\"error\">" + s + "</div>";
-    }
-
-    private String test() {
-        String driver = attributes.getProperty("driver", "");
-        String url = attributes.getProperty("url", "");
-        String user = attributes.getProperty("user", "");
-        String password = attributes.getProperty("password", "");
-        session.put("driver", driver);
-        session.put("url", url);
-        session.put("user", user);
-        boolean isH2 = url.startsWith("jdbc:h2:");
-        try {
-            Connection conn = server.getConnection(driver, url, user, password, this);
-            JdbcUtils.closeSilently(conn);
-            session.put("error", "${text.login.testSuccessful}");
-            return "login.jsp";
-        } catch (Exception e) {
-            session.put("error", getLoginError(e, isH2));
-            return "login.jsp";
-        }
-    }
-
-    /**
-     * Get the formatted login error message.
-     *
-     * @param e the exception
-     * @param isH2 if the current database is a H2 database
-     * @return the formatted error message
-     */
-    String getLoginError(Exception e, boolean isH2) {
-        if (e instanceof JdbcSQLException && ((JdbcSQLException) e).getErrorCode() == ErrorCode.CLASS_NOT_FOUND_1) {
-            return "${text.login.driverNotFound}<br />" + getStackTrace(0, e, isH2);
-        }
-        return getStackTrace(0, e, isH2);
-    }
-
-    private String login() {
+    protected String login() {
         final String driver = attributes.getProperty("driver", "");
         final String url = attributes.getProperty("url", "");
         final String user = attributes.getProperty("user", "");
@@ -1197,874 +425,6 @@ class WebThread extends Thread implements DatabaseEventListener {
         return "";
     }
 
-    private String logout() {
-        try {
-            Connection conn = session.getConnection();
-            session.setConnection(null);
-            session.remove("conn");
-            session.remove("result");
-            session.remove("tables");
-            session.remove("user");
-            session.remove("tool");
-            if (conn != null) {
-                if (session.getShutdownServerOnDisconnect()) {
-                    server.shutdown();
-                } else {
-                    conn.close();
-                }
-            }
-        } catch (Exception e) {
-            trace(e.toString());
-        }
-        return "index.do";
-    }
-
-    private String query() {
-        String sql = attributes.getProperty("sql").trim();
-        try {
-            Connection conn = session.getConnection();
-            String result;
-            if (sql.startsWith("@JAVA")) {
-                if (server.getAllowScript()) {
-                    try {
-                        result = executeJava(sql.substring("@JAVA".length()));
-                    } catch (Throwable t) {
-                        result = getStackTrace(0, t, false);
-                    }
-                } else {
-                    result = "Executing Java code is not allowed, use command line parameter -webScript";
-                }
-            } else if ("@AUTOCOMMIT TRUE".equals(sql)) {
-                conn.setAutoCommit(true);
-                result = "${text.result.autoCommitOn}";
-            } else if ("@AUTOCOMMIT FALSE".equals(sql)) {
-                conn.setAutoCommit(false);
-                result = "${text.result.autoCommitOff}";
-            } else if (sql.startsWith("@TRANSACTION_ISOLATION")) {
-                String s = sql.substring("@TRANSACTION_ISOLATION".length()).trim();
-                if (s.length() > 0) {
-                    int level = Integer.parseInt(s);
-                    conn.setTransactionIsolation(level);
-                }
-                result = "Transaction Isolation: " + conn.getTransactionIsolation() + "<br />";
-                result += Connection.TRANSACTION_READ_UNCOMMITTED + ": READ_UNCOMMITTED<br />";
-                result += Connection.TRANSACTION_READ_COMMITTED + ": READ_COMMITTED<br />";
-                result += Connection.TRANSACTION_REPEATABLE_READ + ": REPEATABLE_READ<br />";
-                result += Connection.TRANSACTION_SERIALIZABLE + ": SERIALIZABLE";
-            } else if (sql.startsWith("@SET MAXROWS ")) {
-                int maxrows = Integer.parseInt(sql.substring("@SET MAXROWS ".length()));
-                session.put("maxrows", "" + maxrows);
-                result = "${text.result.maxrowsSet}";
-            } else {
-                ScriptReader r = new ScriptReader(new StringReader(sql));
-                ObjectArray<String> list = ObjectArray.newInstance();
-                while (true) {
-                    String s = r.readStatement();
-                    if (s == null) {
-                        break;
-                    }
-                    list.add(s);
-                }
-                StringBuilder buff = new StringBuilder();
-                for (int i = 0; i < list.size(); i++) {
-                    String s = list.get(i);
-                    if (!s.startsWith("@")) {
-                        buff.append(PageParser.escapeHtml(s + ";")).append("<br />");
-                    }
-                    buff.append(getResult(conn, i + 1, s, list.size() == 1, false)).append("<br />");
-                }
-                result = buff.toString();
-            }
-            session.put("result", result);
-        } catch (Throwable e) {
-            session.put("result", getStackTrace(0, e, session.getContents().isH2));
-        }
-        return "result.jsp";
-    }
-
-    /**
-     * This class allows to load Java code dynamically.
-     */
-    static class DynamicClassLoader extends SecureClassLoader {
-
-        private String name;
-        private byte[] data;
-        private Class< ? > clazz;
-
-        DynamicClassLoader(String name, byte[] data) {
-            super(DynamicClassLoader.class.getClassLoader());
-            this.name = name;
-            this.data = data;
-        }
-
-        public Class< ? > loadClass(String className) throws ClassNotFoundException {
-            return findClass(className);
-        }
-
-        public Class< ? > findClass(String className) throws ClassNotFoundException {
-            if (className.equals(name)) {
-                if (clazz == null) {
-                    clazz = defineClass(className, data, 0, data.length);
-                }
-                return clazz;
-            }
-            try {
-                return findSystemClass(className);
-            } catch (Exception e) {
-                // ignore
-            }
-            return super.findClass(className);
-        }
-    }
-
-    private String executeJava(String code) throws Exception {
-        File javaFile = new File("Java.java");
-        File classFile = new File("Java.class");
-        try {
-            PrintWriter out = new PrintWriter(new FileWriter(javaFile));
-            classFile.delete();
-            int endImport = code.indexOf("@CODE");
-            String importCode = "import java.util.*; import java.math.*; import java.sql.*;";
-            if (endImport >= 0) {
-                importCode = code.substring(0, endImport);
-                code = code.substring("@CODE".length() + endImport);
-            }
-            out.println(importCode);
-            out.println("public class Java { public static Object run() throws Throwable {" + code + "}}");
-            out.close();
-            Class< ? > javacClass = Class.forName("com.sun.tools.javac.Main");
-            Method compile = javacClass.getMethod("compile", String[].class);
-            Object javac = javacClass.newInstance();
-            compile.invoke(javac, new Object[] { new String[]{"Java.java"}});
-            byte[] data = new byte[(int) classFile.length()];
-            DataInputStream in = new DataInputStream(new FileInputStream(classFile));
-            in.readFully(data);
-            in.close();
-            DynamicClassLoader cl = new DynamicClassLoader("Java", data);
-            Class< ? > clazz = cl.loadClass("Java");
-            Method[] methods = clazz.getMethods();
-            for (Method m : methods) {
-                if (m.getName().equals("run")) {
-                    return "" + m.invoke(null);
-                }
-            }
-            return null;
-        } finally {
-            javaFile.delete();
-            classFile.delete();
-        }
-    }
-
-    private String editResult() {
-        ResultSet rs = session.result;
-        int row = Integer.parseInt(attributes.getProperty("row"));
-        int op = Integer.parseInt(attributes.getProperty("op"));
-        String result = "", error = "";
-        try {
-            if (op == 1) {
-                boolean insert = row < 0;
-                if (insert) {
-                    rs.moveToInsertRow();
-                } else {
-                    rs.absolute(row);
-                }
-                for (int i = 0; i < rs.getMetaData().getColumnCount(); i++) {
-                    String x = attributes.getProperty("r" + row + "c" + (i + 1));
-                    unescapeData(x, rs, i + 1);
-                }
-                if (insert) {
-                    rs.insertRow();
-                } else {
-                    rs.updateRow();
-                }
-            } else if (op == 2) {
-                rs.absolute(row);
-                rs.deleteRow();
-            } else if (op == 3) {
-                // cancel
-            }
-        } catch (Throwable e) {
-            result = "<br />" + getStackTrace(0, e, session.getContents().isH2);
-            error = formatAsError(e.getMessage());
-        }
-        String sql = "@EDIT " + (String) session.get("resultSetSQL");
-        Connection conn = session.getConnection();
-        result = error + getResult(conn, -1, sql, true, true) + result;
-        session.put("result", result);
-        return "result.jsp";
-    }
-
-    private ResultSet getMetaResultSet(Connection conn, String sql) throws SQLException {
-        DatabaseMetaData meta = conn.getMetaData();
-        if (sql.startsWith("@TABLES")) {
-            String[] p = split(sql);
-            String[] types = p[4] == null ? null : StringUtils.arraySplit(p[4], ',', false);
-            return meta.getTables(p[1], p[2], p[3], types);
-        } else if (sql.startsWith("@COLUMNS")) {
-            String[] p = split(sql);
-            return meta.getColumns(p[1], p[2], p[3], p[4]);
-        } else if (sql.startsWith("@INDEX_INFO")) {
-            String[] p = split(sql);
-            boolean unique = p[4] == null ? false : Boolean.valueOf(p[4]).booleanValue();
-            boolean approx = p[5] == null ? false : Boolean.valueOf(p[5]).booleanValue();
-            return meta.getIndexInfo(p[1], p[2], p[3], unique, approx);
-        } else if (sql.startsWith("@PRIMARY_KEYS")) {
-            String[] p = split(sql);
-            return meta.getPrimaryKeys(p[1], p[2], p[3]);
-        } else if (sql.startsWith("@PROCEDURES")) {
-            String[] p = split(sql);
-            return meta.getProcedures(p[1], p[2], p[3]);
-        } else if (sql.startsWith("@PROCEDURE_COLUMNS")) {
-            String[] p = split(sql);
-            return meta.getProcedureColumns(p[1], p[2], p[3], p[4]);
-        } else if (sql.startsWith("@SCHEMAS")) {
-            return meta.getSchemas();
-        } else if (sql.startsWith("@CATALOG")) {
-            SimpleResultSet rs = new SimpleResultSet();
-            rs.addColumn("CATALOG", Types.VARCHAR, 0, 0);
-            rs.addRow(conn.getCatalog());
-            return rs;
-        } else if (sql.startsWith("@MEMORY")) {
-            SimpleResultSet rs = new SimpleResultSet();
-            rs.addColumn("Type", Types.VARCHAR, 0, 0);
-            rs.addColumn("Value", Types.VARCHAR, 0, 0);
-            rs.addRow("Used Memory", "" + MemoryUtils.getMemoryUsed());
-            rs.addRow("Free Memory", "" + MemoryUtils.getMemoryFree());
-            return rs;
-        } else if (sql.startsWith("@INFO")) {
-            SimpleResultSet rs = new SimpleResultSet();
-            rs.addColumn("KEY", Types.VARCHAR, 0, 0);
-            rs.addColumn("VALUE", Types.VARCHAR, 0, 0);
-            rs.addRow("conn.getCatalog", conn.getCatalog());
-            rs.addRow("conn.getAutoCommit", "" + conn.getAutoCommit());
-            rs.addRow("conn.getTransactionIsolation", "" + conn.getTransactionIsolation());
-            rs.addRow("conn.getWarnings", "" + conn.getWarnings());
-            String map;
-            try {
-                map = "" + conn.getTypeMap();
-            } catch (SQLException e) {
-                map = e.toString();
-            }
-            rs.addRow("conn.getTypeMap", "" + map);
-            rs.addRow("conn.isReadOnly", "" + conn.isReadOnly());
-            rs.addRow("meta.getCatalogSeparator", "" + meta.getCatalogSeparator());
-            rs.addRow("meta.getCatalogTerm", "" + meta.getCatalogTerm());
-            rs.addRow("meta.getDatabaseProductName", "" + meta.getDatabaseProductName());
-            rs.addRow("meta.getDatabaseProductVersion", "" + meta.getDatabaseProductVersion());
-            rs.addRow("meta.getDefaultTransactionIsolation", "" + meta.getDefaultTransactionIsolation());
-            rs.addRow("meta.getDriverMajorVersion", "" + meta.getDriverMajorVersion());
-            rs.addRow("meta.getDriverMinorVersion", "" + meta.getDriverMinorVersion());
-            rs.addRow("meta.getDriverName", "" + meta.getDriverName());
-            rs.addRow("meta.getDriverVersion", "" + meta.getDriverVersion());
-            rs.addRow("meta.getExtraNameCharacters", "" + meta.getExtraNameCharacters());
-            rs.addRow("meta.getIdentifierQuoteString", "" + meta.getIdentifierQuoteString());
-            rs.addRow("meta.getMaxBinaryLiteralLength", "" + meta.getMaxBinaryLiteralLength());
-            rs.addRow("meta.getMaxCatalogNameLength", "" + meta.getMaxCatalogNameLength());
-            rs.addRow("meta.getMaxCharLiteralLength", "" + meta.getMaxCharLiteralLength());
-            rs.addRow("meta.getMaxColumnNameLength", "" + meta.getMaxColumnNameLength());
-            rs.addRow("meta.getMaxColumnsInGroupBy", "" + meta.getMaxColumnsInGroupBy());
-            rs.addRow("meta.getMaxColumnsInIndex", "" + meta.getMaxColumnsInIndex());
-            rs.addRow("meta.getMaxColumnsInOrderBy", "" + meta.getMaxColumnsInOrderBy());
-            rs.addRow("meta.getMaxColumnsInSelect", "" + meta.getMaxColumnsInSelect());
-            rs.addRow("meta.getMaxColumnsInTable", "" + meta.getMaxColumnsInTable());
-            rs.addRow("meta.getMaxConnections", "" + meta.getMaxConnections());
-            rs.addRow("meta.getMaxCursorNameLength", "" + meta.getMaxCursorNameLength());
-            rs.addRow("meta.getMaxIndexLength", "" + meta.getMaxIndexLength());
-            rs.addRow("meta.getMaxProcedureNameLength", "" + meta.getMaxProcedureNameLength());
-            rs.addRow("meta.getMaxRowSize", "" + meta.getMaxRowSize());
-            rs.addRow("meta.getMaxSchemaNameLength", "" + meta.getMaxSchemaNameLength());
-            rs.addRow("meta.getMaxStatementLength", "" + meta.getMaxStatementLength());
-            rs.addRow("meta.getMaxStatements", "" + meta.getMaxStatements());
-            rs.addRow("meta.getMaxTableNameLength", "" + meta.getMaxTableNameLength());
-            rs.addRow("meta.getMaxTablesInSelect", "" + meta.getMaxTablesInSelect());
-            rs.addRow("meta.getMaxUserNameLength", "" + meta.getMaxUserNameLength());
-            rs.addRow("meta.getNumericFunctions", "" + meta.getNumericFunctions());
-            rs.addRow("meta.getProcedureTerm", "" + meta.getProcedureTerm());
-            rs.addRow("meta.getSchemaTerm", "" + meta.getSchemaTerm());
-            rs.addRow("meta.getSearchStringEscape", "" + meta.getSearchStringEscape());
-            rs.addRow("meta.getSQLKeywords", "" + meta.getSQLKeywords());
-            rs.addRow("meta.getStringFunctions", "" + meta.getStringFunctions());
-            rs.addRow("meta.getSystemFunctions", "" + meta.getSystemFunctions());
-            rs.addRow("meta.getTimeDateFunctions", "" + meta.getTimeDateFunctions());
-            rs.addRow("meta.getURL", "" + meta.getURL());
-            rs.addRow("meta.getUserName", "" + meta.getUserName());
-            rs.addRow("meta.isCatalogAtStart", "" + meta.isCatalogAtStart());
-            rs.addRow("meta.isReadOnly", "" + meta.isReadOnly());
-            rs.addRow("meta.allProceduresAreCallable", "" + meta.allProceduresAreCallable());
-            rs.addRow("meta.allTablesAreSelectable", "" + meta.allTablesAreSelectable());
-            rs.addRow("meta.dataDefinitionCausesTransactionCommit", "" + meta.dataDefinitionCausesTransactionCommit());
-            rs.addRow("meta.dataDefinitionIgnoredInTransactions", "" + meta.dataDefinitionIgnoredInTransactions());
-            rs.addRow("meta.doesMaxRowSizeIncludeBlobs", "" + meta.doesMaxRowSizeIncludeBlobs());
-            rs.addRow("meta.nullPlusNonNullIsNull", "" + meta.nullPlusNonNullIsNull());
-            rs.addRow("meta.nullsAreSortedAtEnd", "" + meta.nullsAreSortedAtEnd());
-            rs.addRow("meta.nullsAreSortedAtStart", "" + meta.nullsAreSortedAtStart());
-            rs.addRow("meta.nullsAreSortedHigh", "" + meta.nullsAreSortedHigh());
-            rs.addRow("meta.nullsAreSortedLow", "" + meta.nullsAreSortedLow());
-            rs.addRow("meta.storesLowerCaseIdentifiers", "" + meta.storesLowerCaseIdentifiers());
-            rs.addRow("meta.storesLowerCaseQuotedIdentifiers", "" + meta.storesLowerCaseQuotedIdentifiers());
-            rs.addRow("meta.storesMixedCaseIdentifiers", "" + meta.storesMixedCaseIdentifiers());
-            rs.addRow("meta.storesMixedCaseQuotedIdentifiers", "" + meta.storesMixedCaseQuotedIdentifiers());
-            rs.addRow("meta.storesUpperCaseIdentifiers", "" + meta.storesUpperCaseIdentifiers());
-            rs.addRow("meta.storesUpperCaseQuotedIdentifiers", "" + meta.storesUpperCaseQuotedIdentifiers());
-            rs.addRow("meta.supportsAlterTableWithAddColumn", "" + meta.supportsAlterTableWithAddColumn());
-            rs.addRow("meta.supportsAlterTableWithDropColumn", "" + meta.supportsAlterTableWithDropColumn());
-            rs.addRow("meta.supportsANSI92EntryLevelSQL", "" + meta.supportsANSI92EntryLevelSQL());
-            rs.addRow("meta.supportsANSI92FullSQL", "" + meta.supportsANSI92FullSQL());
-            rs.addRow("meta.supportsANSI92IntermediateSQL", "" + meta.supportsANSI92IntermediateSQL());
-            rs.addRow("meta.supportsBatchUpdates", "" + meta.supportsBatchUpdates());
-            rs.addRow("meta.supportsCatalogsInDataManipulation", "" + meta.supportsCatalogsInDataManipulation());
-            rs.addRow("meta.supportsCatalogsInIndexDefinitions", "" + meta.supportsCatalogsInIndexDefinitions());
-            rs.addRow("meta.supportsCatalogsInPrivilegeDefinitions", "" + meta.supportsCatalogsInPrivilegeDefinitions());
-            rs.addRow("meta.supportsCatalogsInProcedureCalls", "" + meta.supportsCatalogsInProcedureCalls());
-            rs.addRow("meta.supportsCatalogsInTableDefinitions", "" + meta.supportsCatalogsInTableDefinitions());
-            rs.addRow("meta.supportsColumnAliasing", "" + meta.supportsColumnAliasing());
-            rs.addRow("meta.supportsConvert", "" + meta.supportsConvert());
-            rs.addRow("meta.supportsCoreSQLGrammar", "" + meta.supportsCoreSQLGrammar());
-            rs.addRow("meta.supportsCorrelatedSubqueries", "" + meta.supportsCorrelatedSubqueries());
-            rs.addRow("meta.supportsDataDefinitionAndDataManipulationTransactions", "" + meta.supportsDataDefinitionAndDataManipulationTransactions());
-            rs.addRow("meta.supportsDataManipulationTransactionsOnly", "" + meta.supportsDataManipulationTransactionsOnly());
-            rs.addRow("meta.supportsDifferentTableCorrelationNames", "" + meta.supportsDifferentTableCorrelationNames());
-            rs.addRow("meta.supportsExpressionsInOrderBy", "" + meta.supportsExpressionsInOrderBy());
-            rs.addRow("meta.supportsExtendedSQLGrammar", "" + meta.supportsExtendedSQLGrammar());
-            rs.addRow("meta.supportsFullOuterJoins", "" + meta.supportsFullOuterJoins());
-            rs.addRow("meta.supportsGroupBy", "" + meta.supportsGroupBy());
-            rs.addRow("meta.usesLocalFilePerTable", "" + meta.usesLocalFilePerTable());
-            rs.addRow("meta.usesLocalFiles", "" + meta.usesLocalFiles());
-//## Java 1.4 begin ##
-            rs.addRow("conn.getHoldability", "" + conn.getHoldability());
-            rs.addRow("meta.getDatabaseMajorVersion", "" + meta.getDatabaseMajorVersion());
-            rs.addRow("meta.getDatabaseMinorVersion", "" + meta.getDatabaseMinorVersion());
-            rs.addRow("meta.getJDBCMajorVersion", "" + meta.getJDBCMajorVersion());
-            rs.addRow("meta.getJDBCMinorVersion", "" + meta.getJDBCMinorVersion());
-            rs.addRow("meta.getResultSetHoldability", "" + meta.getResultSetHoldability());
-            rs.addRow("meta.getSQLStateType", "" + meta.getSQLStateType());
-            rs.addRow("meta.supportsGetGeneratedKeys", "" + meta.supportsGetGeneratedKeys());
-            rs.addRow("meta.locatorsUpdateCopy", "" + meta.locatorsUpdateCopy());
-//## Java 1.4 end ##
-            return rs;
-        } else if (sql.startsWith("@CATALOGS")) {
-            return meta.getCatalogs();
-        } else if (sql.startsWith("@TABLE_TYPES")) {
-            return meta.getTableTypes();
-        } else if (sql.startsWith("@COLUMN_PRIVILEGES")) {
-            String[] p = split(sql);
-            return meta.getColumnPrivileges(p[1], p[2], p[3], p[4]);
-        } else if (sql.startsWith("@TABLE_PRIVILEGES")) {
-            String[] p = split(sql);
-            return meta.getTablePrivileges(p[1], p[2], p[3]);
-        } else if (sql.startsWith("@BEST_ROW_IDENTIFIER")) {
-            String[] p = split(sql);
-            int scale = p[4] == null ? 0 : Integer.parseInt(p[4]);
-            boolean nullable = p[5] == null ? false : Boolean.valueOf(p[5]).booleanValue();
-            return meta.getBestRowIdentifier(p[1], p[2], p[3], scale, nullable);
-        } else if (sql.startsWith("@VERSION_COLUMNS")) {
-            String[] p = split(sql);
-            return meta.getVersionColumns(p[1], p[2], p[3]);
-        } else if (sql.startsWith("@IMPORTED_KEYS")) {
-            String[] p = split(sql);
-            return meta.getImportedKeys(p[1], p[2], p[3]);
-        } else if (sql.startsWith("@EXPORTED_KEYS")) {
-            String[] p = split(sql);
-            return meta.getExportedKeys(p[1], p[2], p[3]);
-        } else if (sql.startsWith("@CROSS_REFERENCE")) {
-            String[] p = split(sql);
-            return meta.getCrossReference(p[1], p[2], p[3], p[4], p[5], p[6]);
-        } else if (sql.startsWith("@UDTS")) {
-            String[] p = split(sql);
-            int[] types;
-            if (p[4] == null) {
-                types = null;
-            } else {
-                String[] t = StringUtils.arraySplit(p[4], ',', false);
-                types = new int[t.length];
-                for (int i = 0; i < t.length; i++) {
-                    types[i] = Integer.parseInt(t[i]);
-                }
-            }
-            return meta.getUDTs(p[1], p[2], p[3], types);
-        } else if (sql.startsWith("@TYPE_INFO")) {
-            return meta.getTypeInfo();
-//## Java 1.4 begin ##
-        } else if (sql.startsWith("@SUPER_TYPES")) {
-            String[] p = split(sql);
-            return meta.getSuperTypes(p[1], p[2], p[3]);
-        } else if (sql.startsWith("@SUPER_TABLES")) {
-            String[] p = split(sql);
-            return meta.getSuperTables(p[1], p[2], p[3]);
-        } else if (sql.startsWith("@ATTRIBUTES")) {
-            String[] p = split(sql);
-            return meta.getAttributes(p[1], p[2], p[3], p[4]);
-//## Java 1.4 end ##
-        }
-        return null;
-    }
-
-    private String[] split(String s) {
-        String[] list = new String[10];
-        String[] t = StringUtils.arraySplit(s, ' ', true);
-        System.arraycopy(t, 0, list, 0, t.length);
-        for (int i = 0; i < list.length; i++) {
-            if ("null".equals(list[i])) {
-                list[i] = null;
-            }
-        }
-        return list;
-    }
-
-    private int getMaxrows() {
-        String r = (String) session.get("maxrows");
-        int maxrows = r == null ? 0 : Integer.parseInt(r);
-        return maxrows;
-    }
-
-    private String getResult(Connection conn, int id, String sql, boolean allowEdit, boolean forceEdit) {
-        try {
-            sql = sql.trim();
-            StringBuilder buff = new StringBuilder();
-            String sqlUpper = StringUtils.toUpperEnglish(sql);
-            if (sqlUpper.indexOf("CREATE") >= 0 || sqlUpper.indexOf("DROP") >= 0 || sqlUpper.indexOf("ALTER") >= 0
-                    || sqlUpper.indexOf("RUNSCRIPT") >= 0) {
-                String sessionId = attributes.getProperty("jsessionid");
-                buff.append("<script type=\"text/javascript\">top['h2menu'].location='tables.do?jsessionid="
-                        + sessionId + "';</script>");
-            }
-            Statement stat;
-            DbContents contents = session.getContents();
-            if (forceEdit || (allowEdit && contents.isH2)) {
-                stat = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);
-            } else {
-                stat = conn.createStatement();
-            }
-            ResultSet rs;
-            long time = System.currentTimeMillis();
-            boolean metadata = false;
-            boolean generatedKeys = false;
-            boolean edit = false;
-            boolean list = false;
-            if ("@CANCEL".equals(sql)) {
-                stat = session.executingStatement;
-                if (stat != null) {
-                    stat.cancel();
-                    buff.append("${text.result.statementWasCanceled}");
-                } else {
-                    buff.append("${text.result.noRunningStatement}");
-                }
-                return buff.toString();
-            } else if (sql.startsWith("@PARAMETER_META")) {
-                sql = sql.substring("@PARAMETER_META".length()).trim();
-                PreparedStatement prep = conn.prepareStatement(sql);
-                buff.append(getParameterResultSet(prep.getParameterMetaData()));
-                return buff.toString();
-            } else if (sql.startsWith("@META")) {
-                metadata = true;
-                sql = sql.substring("@META".length()).trim();
-            } else if (sql.startsWith("@LIST")) {
-                list = true;
-                sql = sql.substring("@LIST".length()).trim();
-            } else if (sql.startsWith("@GENERATED")) {
-                generatedKeys = true;
-                sql = sql.substring("@GENERATED".length()).trim();
-            } else if (sql.startsWith("@LOOP")) {
-                sql = sql.substring("@LOOP".length()).trim();
-                int idx = sql.indexOf(' ');
-                int count = MathUtils.decodeInt(sql.substring(0, idx));
-                sql = sql.substring(idx).trim();
-                return executeLoop(conn, count, sql);
-            } else if (sql.startsWith("@EDIT")) {
-                edit = true;
-                sql = sql.substring("@EDIT".length()).trim();
-                session.put("resultSetSQL", sql);
-            } else if ("@HISTORY".equals(sql)) {
-                buff.append(getHistoryString());
-                return buff.toString();
-            }
-            if (sql.startsWith("@")) {
-                rs = getMetaResultSet(conn, sql);
-                if (rs == null) {
-                    buff.append("?: " + sql);
-                    return buff.toString();
-                }
-            } else {
-                int maxrows = getMaxrows();
-                stat.setMaxRows(maxrows);
-                session.executingStatement = stat;
-                boolean isResultSet = stat.execute(sql);
-                session.addCommand(sql);
-                if (generatedKeys) {
-                    rs = null;
-//## Java 1.4 begin ##
-                    rs = stat.getGeneratedKeys();
-//## Java 1.4 end ##
-                } else {
-                    if (!isResultSet) {
-                        buff.append("${text.result.updateCount}: " + stat.getUpdateCount());
-                        time = System.currentTimeMillis() - time;
-                        buff.append("<br />(").append(time).append(" ms)");
-                        stat.close();
-                        return buff.toString();
-                    }
-                    rs = stat.getResultSet();
-                }
-            }
-            time = System.currentTimeMillis() - time;
-            buff.append(getResultSet(sql, rs, metadata, list, edit, time, allowEdit));
-            // SQLWarning warning = stat.getWarnings();
-            // if(warning != null) {
-            // buff.append("<br />Warning:<br />").
-            // append(getStackTrace(id, warning));
-            // }
-            if (!edit) {
-                stat.close();
-            }
-            return buff.toString();
-        } catch (Throwable e) {
-            // throwable: including OutOfMemoryError and so on
-            return getStackTrace(id, e, session.getContents().isH2);
-        } finally {
-            session.executingStatement = null;
-        }
-    }
-
-    private String executeLoop(Connection conn, int count, String sql) throws SQLException {
-        ArrayList<Integer> params = New.arrayList();
-        int idx = 0;
-        while (!stop) {
-            idx = sql.indexOf('?', idx);
-            if (idx < 0) {
-                break;
-            }
-            if (sql.substring(idx).startsWith("?/*RND*/")) {
-                params.add(1);
-                sql = sql.substring(0, idx) + "?" + sql.substring(idx + "/*RND*/".length() + 1);
-            } else {
-                params.add(0);
-            }
-            idx++;
-        }
-        int rows = 0;
-        boolean prepared;
-        Random random = new Random(1);
-        long time = System.currentTimeMillis();
-        if (sql.startsWith("@STATEMENT")) {
-            sql = sql.substring("@STATEMENT".length()).trim();
-            prepared = false;
-            Statement stat = conn.createStatement();
-            for (int i = 0; !stop && i < count; i++) {
-                String s = sql;
-                for (Integer type : params) {
-                    idx = s.indexOf('?');
-                    if (type.intValue() == 1) {
-                        s = s.substring(0, idx) + random.nextInt(count) + s.substring(idx + 1);
-                    } else {
-                        s = s.substring(0, idx) + i + s.substring(idx + 1);
-                    }
-                }
-                if (stat.execute(s)) {
-                    ResultSet rs = stat.getResultSet();
-                    while (!stop && rs.next()) {
-                        rows++;
-                        // maybe get the data as well
-                    }
-                    rs.close();
-                    // maybe close result set
-                }
-            }
-        } else {
-            prepared = true;
-            PreparedStatement prep = conn.prepareStatement(sql);
-            for (int i = 0; !stop && i < count; i++) {
-                for (int j = 0; j < params.size(); j++) {
-                    Integer type = params.get(j);
-                    if (type.intValue() == 1) {
-                        prep.setInt(j + 1, random.nextInt(count));
-                    } else {
-                        prep.setInt(j + 1, i);
-                    }
-                }
-                if (session.getContents().isSQLite) {
-                    // SQLite currently throws an exception on prep.execute()
-                    prep.executeUpdate();
-                } else {
-                    if (prep.execute()) {
-                        ResultSet rs = prep.getResultSet();
-                        while (!stop && rs.next()) {
-                            rows++;
-                            // maybe get the data as well
-                        }
-                        rs.close();
-                    }
-                }
-            }
-        }
-        time = System.currentTimeMillis() - time;
-        StatementBuilder buff = new StatementBuilder();
-        buff.append(time).append(" ms: ").append(count).append(" * ");
-        if (prepared) {
-            buff.append("(Prepared) ");
-        } else {
-            buff.append("(Statement) ");
-        }
-        buff.append('(');
-        for (int p : params) {
-            buff.appendExceptFirst(", ");
-            buff.append(p == 0 ? "i" : "rnd");
-        }
-        return buff.append(") ").append(sql).toString();
-    }
-
-    private String getHistoryString() {
-        StringBuilder buff = new StringBuilder();
-        ArrayList<String> history = session.getCommands();
-        buff.append("<table cellspacing=0 cellpadding=0><tr><th></th><th>Command</th></tr>");
-        for (int i = history.size() - 1; i >= 0; i--) {
-            String sql = history.get(i);
-            buff.append("<tr><td><a href=\"getHistory.do?id=").
-                append(i).
-                append("&jsessionid=${sessionId}\" target=\"h2query\" >").
-                append("<img width=16 height=16 src=\"ico_write.gif\" onmouseover = \"this.className ='icon_hover'\" ").
-                append("onmouseout = \"this.className ='icon'\" class=\"icon\" alt=\"${text.resultEdit.edit}\" ").
-                append("title=\"${text.resultEdit.edit}\" border=\"1\"/></a>").
-                append("</td><td>").
-                append(PageParser.escapeHtml(sql)).
-                append("</td></tr>");
-        }
-        buff.append("</table>");
-        return buff.toString();
-    }
-
-    private String getParameterResultSet(ParameterMetaData meta) throws SQLException {
-        StringBuilder buff = new StringBuilder();
-        if (meta == null) {
-            return "No parameter meta data";
-        }
-        buff.append("<table cellspacing=0 cellpadding=0>").
-            append("<tr><th>className</th><th>mode</th><th>type</th>").
-            append("<th>typeName</th><th>precision</th><th>scale</th></tr>");
-        for (int i = 0; i < meta.getParameterCount(); i++) {
-            buff.append("</tr><td>").
-                append(meta.getParameterClassName(i + 1)).
-                append("</td><td>").
-                append(meta.getParameterMode(i + 1)).
-                append("</td><td>").
-                append(meta.getParameterType(i + 1)).
-                append("</td><td>").
-                append(meta.getParameterTypeName(i + 1)).
-                append("</td><td>").
-                append(meta.getPrecision(i + 1)).
-                append("</td><td>").
-                append(meta.getScale(i + 1)).
-                append("</td></tr>");
-        }
-        buff.append("</table>");
-        return buff.toString();
-    }
-
-    private String getResultSet(String sql, ResultSet rs, boolean metadata, boolean list, boolean edit, long time,
-            boolean allowEdit) throws SQLException {
-        int maxrows = getMaxrows();
-        time = System.currentTimeMillis() - time;
-        StringBuilder buff = new StringBuilder();
-        if (edit) {
-            buff.append("<form id=\"editing\" name=\"editing\" method=\"post\" " +
-                    "action=\"editResult.do?jsessionid=${sessionId}\" id=\"mainForm\" target=\"h2result\">" +
-                    "<input type=\"hidden\" name=\"op\" value=\"1\" />" +
-                    "<input type=\"hidden\" name=\"row\" value=\"\" />" +
-                    "<table cellspacing=0 cellpadding=0 id=\"editTable\">");
-        } else {
-            buff.append("<table cellspacing=0 cellpadding=0>");
-        }
-        ResultSetMetaData meta = rs.getMetaData();
-        int columns = meta.getColumnCount();
-        int rows = 0;
-        if (metadata) {
-            buff.append("<tr><th>i</th><th>label</th><th>cat</th><th>schem</th>" +
-                "<th>tab</th><th>col</th><th>type</th><th>typeName</th><th>class</th>" +
-                "<th>prec</th><th>scale</th><th>size</th><th>autoInc</th>" +
-                "<th>case</th><th>currency</th><th>null</th><th>ro</th>" +
-                "<th>search</th><th>sig</th><th>w</th><th>defW</th></tr>");
-            for (int i = 1; i <= columns; i++) {
-                buff.append("<tr>").
-                    append("<td>").append(i).append("</td>").
-                    append("<td>").append(PageParser.escapeHtml(meta.getColumnLabel(i))).append("</td>").
-                    append("<td>").append(PageParser.escapeHtml(meta.getCatalogName(i))).append("</td>").
-                    append("<td>").append(PageParser.escapeHtml(meta.getSchemaName(i))).append("</td>").
-                    append("<td>").append(PageParser.escapeHtml(meta.getTableName(i))).append("</td>").
-                    append("<td>").append(PageParser.escapeHtml(meta.getColumnName(i))).append("</td>").
-                    append("<td>").append(meta.getColumnType(i)).append("</td>").
-                    append("<td>").append(PageParser.escapeHtml(meta.getColumnTypeName(i))).append("</td>").
-                    append("<td>").append(PageParser.escapeHtml(meta.getColumnClassName(i))).append("</td>").
-                    append("<td>").append(meta.getPrecision(i)).append("</td>").
-                    append("<td>").append(meta.getScale(i)).append("</td>").
-                    append("<td>").append(meta.getColumnDisplaySize(i)).append("</td>").
-                    append("<td>").append(meta.isAutoIncrement(i)).append("</td>").
-                    append("<td>").append(meta.isCaseSensitive(i)).append("</td>").
-                    append("<td>").append(meta.isCurrency(i)).append("</td>").
-                    append("<td>").append(meta.isNullable(i)).append("</td>").
-                    append("<td>").append(meta.isReadOnly(i)).append("</td>").
-                    append("<td>").append(meta.isSearchable(i)).append("</td>").
-                    append("<td>").append(meta.isSigned(i)).append("</td>").
-                    append("<td>").append(meta.isWritable(i)).append("</td>").
-                    append("<td>").append(meta.isDefinitelyWritable(i)).append("</td>").
-                    append("</tr>");
-            }
-        } else if (list) {
-            buff.append("<tr><th>Column</th><th>Data</th></tr><tr>");
-            while (rs.next()) {
-                if (maxrows > 0 && rows >= maxrows) {
-                    break;
-                }
-                rows++;
-                buff.append("<tr><td>Row #</td><td>").
-                    append(rows).append("</tr>");
-                for (int i = 0; i < columns; i++) {
-                    buff.append("<tr><td>").
-                        append(PageParser.escapeHtml(meta.getColumnLabel(i + 1))).
-                        append("</td><td>").
-                        append(escapeData(rs, i + 1)).
-                        append("</td></tr>");
-                }
-            }
-        } else {
-            buff.append("<tr>");
-            if (edit) {
-                buff.append("<th>Action</th>");
-            }
-            for (int i = 0; i < columns; i++) {
-                buff.append("<th>").
-                    append(PageParser.escapeHtml(meta.getColumnLabel(i + 1))).
-                    append("</th>");
-            }
-            buff.append("</tr>");
-            while (rs.next()) {
-                if (maxrows > 0 && rows >= maxrows) {
-                    break;
-                }
-                rows++;
-                buff.append("<tr>");
-                if (edit) {
-                    buff.append("<td>").
-                        append("<img onclick=\"javascript:editRow(").
-                        append(rs.getRow()).
-                        append(",'${sessionId}', '${text.resultEdit.save}', '${text.resultEdit.cancel}'").
-                        append(")\" width=16 height=16 src=\"ico_write.gif\" onmouseover = \"this.className ='icon_hover'\" onmouseout = \"this.className ='icon'\" class=\"icon\" alt=\"${text.resultEdit.edit}\" title=\"${text.resultEdit.edit}\" border=\"1\"/>").
-                        append("<a href=\"editResult.do?op=2&row=").
-                        append(rs.getRow()).
-                        append("&jsessionid=${sessionId}\" target=\"h2result\" ><img width=16 height=16 src=\"ico_remove.gif\" onmouseover = \"this.className ='icon_hover'\" onmouseout = \"this.className ='icon'\" class=\"icon\" alt=\"${text.resultEdit.delete}\" title=\"${text.resultEdit.delete}\" border=\"1\" /></a>").
-                        append("</td>");
-                }
-                for (int i = 0; i < columns; i++) {
-                    buff.append("<td>").
-                        append(escapeData(rs, i + 1)).
-                        append("</td>");
-                }
-                buff.append("</tr>");
-            }
-        }
-        boolean isUpdatable = false;
-        try {
-            isUpdatable = rs.getConcurrency() == ResultSet.CONCUR_UPDATABLE
-                && rs.getType() != ResultSet.TYPE_FORWARD_ONLY;
-        } catch (NullPointerException e) {
-            // ignore
-            // workaround for a JDBC-ODBC bridge problem
-        }
-        if (edit) {
-            ResultSet old = session.result;
-            if (old != null) {
-                old.close();
-            }
-            session.result = rs;
-        } else {
-            rs.close();
-        }
-        if (edit) {
-            buff.append("<tr><td>").
-                append("<img onclick=\"javascript:editRow(-1, '${sessionId}', '${text.resultEdit.save}', '${text.resultEdit.cancel}'").
-                append(")\" width=16 height=16 src=\"ico_add.gif\" onmouseover = \"this.className ='icon_hover'\" onmouseout = \"this.className ='icon'\" class=\"icon\" alt=\"${text.resultEdit.add}\" title=\"${text.resultEdit.add}\" border=\"1\"/>").
-                append("</td>");
-            for (int i = 0; i < columns; i++) {
-                buff.append("<td></td>");
-            }
-            buff.append("</tr>");
-        }
-        buff.append("</table>");
-        if (edit) {
-            buff.append("</form>");
-        }
-        if (rows == 0) {
-            buff.append("(${text.result.noRows}");
-        } else if (rows == 1) {
-            buff.append("(${text.result.1row}");
-        } else {
-            buff.append('(').append(rows).append(" ${text.result.rows}");
-        }
-        buff.append(", ");
-        time = System.currentTimeMillis() - time;
-        buff.append(time).append(" ms)");
-        if (!edit && isUpdatable && allowEdit) {
-            buff.append("<br /><br /><form name=\"editResult\" method=\"post\" action=\"query.do?jsessionid=${sessionId}\" target=\"h2result\">" +
-                "<input type=\"submit\" class=\"button\" value=\"${text.resultEdit.editResult}\" />" +
-                "<input type=\"hidden\" name=\"sql\" value=\"@EDIT ").
-                append(PageParser.escapeHtml(sql)).
-                append("\" /></form>");
-        }
-        return buff.toString();
-    }
-
-    /**
-     * Save the current connection settings to the properties file.
-     *
-     * @return the file to open afterwards
-     */
-    String settingSave() {
-        ConnectionInfo info = new ConnectionInfo();
-        info.name = attributes.getProperty("name", "");
-        info.driver = attributes.getProperty("driver", "");
-        info.url = attributes.getProperty("url", "");
-        info.user = attributes.getProperty("user", "");
-        server.updateSetting(info);
-        attributes.put("setting", info.name);
-        server.saveSettings(null);
-        return "index.do";
-    }
-
-    private String escapeData(ResultSet rs, int columnIndex) throws SQLException {
-        String d = rs.getString(columnIndex);
-        if (d == null) {
-            return "<i>null</i>";
-        } else if (d.length() > SysProperties.WEB_MAX_VALUE_LENGTH) {
-            return "<div style='display: none'>=+</div>" +
-                PageParser.escapeHtml(d.substring(0, 100) + "... (" + d.length() + ")");
-        } else if (d.equals("null") || d.startsWith("= ") || d.startsWith("=+")) {
-            return "<div style='display: none'>= </div>" + PageParser.escapeHtml(d);
-        }
-        return PageParser.escapeHtml(d);
-    }
-
-    private void unescapeData(String d, ResultSet rs, int columnIndex) throws SQLException {
-        if (d.equals("null")) {
-            rs.updateNull(columnIndex);
-        } else if (d.startsWith("=+")) {
-            // don't update
-        } else if (d.startsWith("= ")) {
-            d = d.substring(2);
-            rs.updateString(columnIndex, d);
-        } else {
-            rs.updateString(columnIndex, d);
-        }
-    }
-
-    private String settingRemove() {
-        String setting = attributes.getProperty("name", "");
-        server.removeSetting(setting);
-        ArrayList<ConnectionInfo> settings = server.getSettings();
-        if (settings.size() > 0) {
-            attributes.put("setting", settings.get(0));
-        }
-        server.saveSettings(null);
-        return "index.do";
-    }
-
     private boolean allow() {
         if (server.getAllowOthers()) {
             return true;
@@ -2077,73 +437,7 @@ class WebThread extends Thread implements DatabaseEventListener {
         }
     }
 
-    /**
-     * Get the current mime type.
-     *
-     * @return the mime type
-     */
-    String getMimeType() {
-        return mimeType;
-    }
-
-    boolean getCache() {
-        return cache;
-    }
-
-    WebSession getSession() {
-        return session;
-    }
-
-    public void closingDatabase() {
-        trace("Closing database");
-    }
-
-    public void diskSpaceIsLow(long stillAvailable) {
-        trace("No more disk space is available");
-    }
-
-    public void exceptionThrown(SQLException e, String sql) {
-        trace("Exception: " + e.toString() + " SQL: " + sql);
-    }
-
-    public void init(String url) {
-        trace("Init: " + url);
-    }
-
-    public void opened() {
-        trace("Database was opened");
-    }
-
-    public void setProgress(int state, String name, int x, int max) {
-        if (state == listenerLastState) {
-            long time = System.currentTimeMillis();
-            if (listenerLastEvent + 500 < time) {
-                return;
-            }
-            listenerLastEvent = time;
-        } else {
-            listenerLastState = state;
-        }
-        switch (state) {
-        case DatabaseEventListener.STATE_BACKUP_FILE:
-            trace("Backing up " + name + " " + (100L * x / max) + "%");
-            break;
-        case DatabaseEventListener.STATE_CREATE_INDEX:
-            trace("Creating index " + name + " " + (100L * x / max) + "%");
-            break;
-        case DatabaseEventListener.STATE_RECOVER:
-            trace("Recovering " + name + " " + (100L * x / max) + "%");
-            break;
-        case DatabaseEventListener.STATE_SCAN_FILE:
-            trace("Scanning file " + name + " " + (100L * x / max) + "%");
-            break;
-        default:
-            trace("Unknown state: " + state);
-        }
-    }
-
     private void trace(String s) {
         server.trace(s);
     }
-
 }