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提交 d1514e17 authored 作者: Patrick Brielmayer's avatar Patrick Brielmayer
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Renamed constants to match Java convention

上级 0c7d6634
隐藏空白字符变更
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正在显示 包含 72 行增加 和 72 行删除
h2/src/main/org/h2/util/ToDateTokenizer.java
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......@@ -16,64 +16,64 @@ import org.h2.message.DbException;
* This class knows all about the TO_DATE-format conventions and how to parse the corresponding data
*/
class ToDateTokenizer {
private static final Pattern PATTERN_Number = Pattern.compile("^([+-]?[0-9]+)");
private static final Pattern PATTERN_4_Digit = Pattern.compile("^([+-]?[0-9]{4})");
private static final Pattern PATTERN_3_Digit = Pattern.compile("^([+-]?[0-9]{3})");
private static final Pattern PATTERN_2_Digit = Pattern.compile("^([+-]?[0-9]{2})");
private static final Pattern PATTERN_2_DigitOrLess = Pattern.compile("^([+-]?[0-9][0-9]?)");
private static final Pattern PATTERN_1_Digit = Pattern.compile("^([+-]?[0-9])");
private static final Pattern PATTERN_NUMBER = Pattern.compile("^([+-]?[0-9]+)");
private static final Pattern PATTERN_FOUR_DIGITS = Pattern.compile("^([+-]?[0-9]{4})");
private static final Pattern PATTERN_THREE_DIGITS = Pattern.compile("^([+-]?[0-9]{3})");
private static final Pattern PATTERN_TWO_DIGITS = Pattern.compile("^([+-]?[0-9]{2})");
private static final Pattern PATTERN_TWO_DIGITS_OR_LESS = Pattern.compile("^([+-]?[0-9][0-9]?)");
private static final Pattern PATTERN_ONE_DIGIT = Pattern.compile("^([+-]?[0-9])");
private static final Pattern PATTERN_FF = Pattern.compile("^(FF[0-9]?)", Pattern.CASE_INSENSITIVE);
private static final Pattern PATTERN_AM_PM = Pattern.compile("^(AM|A\\.M\\.|PM|P\\.M\\.)", Pattern.CASE_INSENSITIVE);
private static final Pattern PATTERN_BC_AD = Pattern.compile("^(BC|B\\.C\\.|AD|A\\.D\\.)", Pattern.CASE_INSENSITIVE);
private static final YearParslet PARSLET_Year = new YearParslet();
private static final MonthParslet PARSLET_Month = new MonthParslet();
private static final YearParslet PARSLET_YEAR = new YearParslet();
private static final MonthParslet PARSLET_MONTH = new MonthParslet();
//private static final WeekParslet PARSLET_Week = new WeekParslet();
private static final DayParslet PARSLET_Day = new DayParslet();
private static final TimeParslet PARSLET_Time = new TimeParslet();
private static final DayParslet PARSLET_DAY = new DayParslet();
private static final TimeParslet PARSLET_TIME = new TimeParslet();
static enum FormatTokenEnum {
YYYY(PARSLET_Year) // 4-digit year
, SYYYY(PARSLET_Year) // 4-digit year with sign (- = B.C.)
, IYYY(PARSLET_Year) // 4-digit year based on the ISO standard (?)
, YYY(PARSLET_Year) //
, IYY(PARSLET_Year) //
, YY(PARSLET_Year) //
, IY(PARSLET_Year) //
, SCC(PARSLET_Year) // Two-digit century with with sign (- = B.C.)
, CC(PARSLET_Year) // Two-digit century.
, RRRR(PARSLET_Year) // 2-digit -> 4-digit year 0-49 -> 20xx , 50-99 -> 19xx
, RR(PARSLET_Year) // last 2-digit of the year using "current" century value.
, BC_AD(PARSLET_Year, PATTERN_BC_AD) // Meridian indicator
, MONTH(PARSLET_Month) // Full Name of month
, MON(PARSLET_Month) // Abbreviated name of month.
, MM(PARSLET_Month) // Month (01-12; JAN = 01).
, RM(PARSLET_Month) // Roman numeral month (I-XII; JAN = I).
YYYY(PARSLET_YEAR) // 4-digit year
, SYYYY(PARSLET_YEAR) // 4-digit year with sign (- = B.C.)
, IYYY(PARSLET_YEAR) // 4-digit year based on the ISO standard (?)
, YYY(PARSLET_YEAR) //
, IYY(PARSLET_YEAR) //
, YY(PARSLET_YEAR) //
, IY(PARSLET_YEAR) //
, SCC(PARSLET_YEAR) // Two-digit century with with sign (- = B.C.)
, CC(PARSLET_YEAR) // Two-digit century.
, RRRR(PARSLET_YEAR) // 2-digit -> 4-digit year 0-49 -> 20xx , 50-99 -> 19xx
, RR(PARSLET_YEAR) // last 2-digit of the year using "current" century value.
, BC_AD(PARSLET_YEAR, PATTERN_BC_AD) // Meridian indicator
, MONTH(PARSLET_MONTH) // Full Name of month
, MON(PARSLET_MONTH) // Abbreviated name of month.
, MM(PARSLET_MONTH) // Month (01-12; JAN = 01).
, RM(PARSLET_MONTH) // Roman numeral month (I-XII; JAN = I).
//, WW(PARSLET_Week) // Week of year (1-53)
//, IW(PARSLET_Week) // Week of year (1-52 or 1-53) based on the ISO standard.
, DDD(PARSLET_Day) // Day of year (1-366).
, DAY(PARSLET_Day) // Name of day.
, DD(PARSLET_Day) // Day of month (1-31).
, DY(PARSLET_Day) // Abbreviated name of day.
, HH24(PARSLET_Time) //
, HH12(PARSLET_Time) //
, HH(PARSLET_Time) // Hour of day (1-12).
, MI(PARSLET_Time) // Min
, SSSSS(PARSLET_Time) // Seconds past midnight (0-86399)
, SS(PARSLET_Time) //
, FF(PARSLET_Time, PATTERN_FF) // Fractional seconds
, TZH(PARSLET_Time) // Time zone hour.
, TZM(PARSLET_Time) // Time zone minute.
, TZR(PARSLET_Time) // Time zone region ID
, TZD(PARSLET_Time) // Daylight savings information. Example: PST (for US/Pacific standard time);
, AM_PM(PARSLET_Time, PATTERN_AM_PM) // Meridian indicator
, EE(PARSLET_Year) // NOT supported yet - Full era name (Japanese Imperial, ROC Official, and Thai Buddha calendars).
, E(PARSLET_Year) // NOT supported yet - Abbreviated era name (Japanese Imperial, ROC Official, and Thai Buddha calendars).
, Y(PARSLET_Year) //
, I(PARSLET_Year) //
, Q(PARSLET_Month) // Quarter of year (1, 2, 3, 4; JAN-MAR = 1).
, DDD(PARSLET_DAY) // Day of year (1-366).
, DAY(PARSLET_DAY) // Name of day.
, DD(PARSLET_DAY) // Day of month (1-31).
, DY(PARSLET_DAY) // Abbreviated name of day.
, HH24(PARSLET_TIME) //
, HH12(PARSLET_TIME) //
, HH(PARSLET_TIME) // Hour of day (1-12).
, MI(PARSLET_TIME) // Min
, SSSSS(PARSLET_TIME) // Seconds past midnight (0-86399)
, SS(PARSLET_TIME) //
, FF(PARSLET_TIME, PATTERN_FF) // Fractional seconds
, TZH(PARSLET_TIME) // Time zone hour.
, TZM(PARSLET_TIME) // Time zone minute.
, TZR(PARSLET_TIME) // Time zone region ID
, TZD(PARSLET_TIME) // Daylight savings information. Example: PST (for US/Pacific standard time);
, AM_PM(PARSLET_TIME, PATTERN_AM_PM) // Meridian indicator
, EE(PARSLET_YEAR) // NOT supported yet - Full era name (Japanese Imperial, ROC Official, and Thai Buddha calendars).
, E(PARSLET_YEAR) // NOT supported yet - Abbreviated era name (Japanese Imperial, ROC Official, and Thai Buddha calendars).
, Y(PARSLET_YEAR) //
, I(PARSLET_YEAR) //
, Q(PARSLET_MONTH) // Quarter of year (1, 2, 3, 4; JAN-MAR = 1).
//, W(PARSLET_Week) // Week of month (1-5)
, D(PARSLET_Day) // Day of week (1-7).
, J(PARSLET_Day); // NOT supported yet - Julian day; the number of days since Jan 1, 4712 BC.
, D(PARSLET_DAY) // Day of week (1-7).
, J(PARSLET_DAY); // NOT supported yet - Julian day; the number of days since Jan 1, 4712 BC.
private final static Map<Character, List<FormatTokenEnum>> cache = new HashMap<Character, List<FormatTokenEnum>>(FormatTokenEnum.values().length);
......@@ -176,20 +176,20 @@ class ToDateTokenizer {
case SYYYY:
case YYYY:
case IYYY:
inputFragmentStr = matchStringOrDie(PATTERN_4_Digit, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_FOUR_DIGITS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
// Gregorian calendar does not have a year 0. 0 = 0001 BC, -1 = 0002 BC, ... so we adjust
result.set(Calendar.YEAR, dateNr >= 0 ? dateNr : dateNr + 1);
break;
case YYY:
case IYY:
inputFragmentStr = matchStringOrDie(PATTERN_3_Digit, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_THREE_DIGITS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
// Gregorian calendar does not have a year 0. 0 = 0001 BC, -1 = 0002 BC, ... so we adjust
result.set(Calendar.YEAR, dateNr >= 0 ? dateNr : dateNr + 1);
break;
case RRRR:
inputFragmentStr = matchStringOrDie(PATTERN_2_Digit, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
dateNr += dateNr < 50 ? 2000 : 1900;
result.set(Calendar.YEAR, dateNr);
......@@ -197,7 +197,7 @@ class ToDateTokenizer {
case RR:
Calendar calendar = Calendar.getInstance();
int cc = (calendar.get(Calendar.YEAR) / 100);
inputFragmentStr = matchStringOrDie(PATTERN_2_Digit, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr) + cc * 100;
result.set(Calendar.YEAR, dateNr);
break;
......@@ -209,20 +209,20 @@ class ToDateTokenizer {
break;
case YY:
case IY:
inputFragmentStr = matchStringOrDie(PATTERN_2_Digit, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
// Gregorian calendar does not have a year 0. 0 = 0001 BC, -1 = 0002 BC, ... so we adjust
result.set(Calendar.YEAR, dateNr >= 0 ? dateNr : dateNr + 1);
break;
case SCC:
case CC:
inputFragmentStr = matchStringOrDie(PATTERN_2_Digit, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr) * 100;
result.set(Calendar.YEAR, dateNr);
break;
case Y:
case I:
inputFragmentStr = matchStringOrDie(PATTERN_1_Digit, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_ONE_DIGIT, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
// Gregorian calendar does not have a year 0. 0 = 0001 BC, -1 = 0002 BC, ... so we adjust
result.set(Calendar.YEAR, dateNr >= 0 ? dateNr : dateNr + 1);
......@@ -271,7 +271,7 @@ class ToDateTokenizer {
break;
case MM:
// Note: In Calendar Month go from 0 - 11
inputFragmentStr = matchStringOrDie(PATTERN_2_DigitOrLess, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS_OR_LESS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
result.set(Calendar.MONTH, dateNr - 1);
break;
......@@ -313,14 +313,14 @@ class ToDateTokenizer {
int dateNr = 0;
switch (formatTokenEnum) {
case WW:
inputFragmentStr = matchStringOrDie(PATTERN_2_DigitOrLess, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS_OR_LESS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
// The first week of the month, as defined by
// getFirstDayOfWeek() and getMinimalDaysInFirstWeek(),
result.set(Calendar.WEEK_OF_YEAR, dateNr);
break;
case IW:
inputFragmentStr = matchStringOrDie(PATTERN_2_DigitOrLess, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS_OR_LESS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
// Build set the calendar to ISO8601 (see
// http://en.wikipedia.org/wiki/ISO_8601_week_number)
......@@ -329,7 +329,7 @@ class ToDateTokenizer {
result.set(Calendar.WEEK_OF_YEAR, dateNr);
break;
case W:
inputFragmentStr = matchStringOrDie(PATTERN_1_Digit, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_ONE_DIGIT, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
// The first week of the month, as defined by
// getFirstDayOfWeek() and getMinimalDaysInFirstWeek(),
......@@ -357,17 +357,17 @@ class ToDateTokenizer {
int dateNr = 0;
switch (formatTokenEnum) {
case DDD:
inputFragmentStr = matchStringOrDie(PATTERN_Number, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_NUMBER, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
result.set(Calendar.DAY_OF_YEAR, dateNr);
break;
case DD:
inputFragmentStr = matchStringOrDie(PATTERN_2_DigitOrLess, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS_OR_LESS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
result.set(Calendar.DAY_OF_MONTH, dateNr);
break;
case D:
inputFragmentStr = matchStringOrDie(PATTERN_1_Digit, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_ONE_DIGIT, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
result.set(Calendar.DAY_OF_MONTH, dateNr);
break;
......@@ -378,7 +378,7 @@ class ToDateTokenizer {
inputFragmentStr = setByName(result, params, Calendar.DAY_OF_WEEK, Calendar.SHORT);
break;
case J:
inputFragmentStr = matchStringOrDie(PATTERN_Number, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_NUMBER, params, formatTokenEnum);
try {
Date date = new SimpleDateFormat("Myydd").parse(inputFragmentStr);
result.setTime(date);
......@@ -410,35 +410,35 @@ class ToDateTokenizer {
int dateNr = 0;
switch (formatTokenEnum) {
case HH24:
inputFragmentStr = matchStringOrDie(PATTERN_2_DigitOrLess, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS_OR_LESS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
result.set(Calendar.HOUR_OF_DAY, dateNr);
break;
case HH12:
case HH:
inputFragmentStr = matchStringOrDie(PATTERN_2_DigitOrLess, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS_OR_LESS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
result.set(Calendar.HOUR, dateNr);
break;
case MI:
inputFragmentStr = matchStringOrDie(PATTERN_2_DigitOrLess, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS_OR_LESS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
result.set(Calendar.MINUTE, dateNr);
break;
case SS:
inputFragmentStr = matchStringOrDie(PATTERN_2_DigitOrLess, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS_OR_LESS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
result.set(Calendar.SECOND, dateNr);
break;
case SSSSS:
inputFragmentStr = matchStringOrDie(PATTERN_Number, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_NUMBER, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
result.set(Calendar.HOUR_OF_DAY, 0);
result.set(Calendar.MINUTE, 0);
result.set(Calendar.SECOND, dateNr);
break;
case FF: //
inputFragmentStr = matchStringOrDie(PATTERN_Number, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_NUMBER, params, formatTokenEnum);
String paddedRightNrStr = format("%-9s", inputFragmentStr).replace(' ', '0');
paddedRightNrStr = paddedRightNrStr.substring(0, 9);
Double nineDigits = Double.parseDouble(paddedRightNrStr);
......@@ -457,7 +457,7 @@ class ToDateTokenizer {
break;
case TZH:
inputFragmentStr = matchStringOrDie(PATTERN_2_DigitOrLess, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS_OR_LESS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
TimeZone tz = result.getTimeZone();
int offsetMillis = tz.getRawOffset();
......@@ -466,7 +466,7 @@ class ToDateTokenizer {
result.setTimeZone(tz);
break;
case TZM:
inputFragmentStr = matchStringOrDie(PATTERN_2_DigitOrLess, params, formatTokenEnum);
inputFragmentStr = matchStringOrDie(PATTERN_TWO_DIGITS_OR_LESS, params, formatTokenEnum);
dateNr = parseInt(inputFragmentStr);
tz = result.getTimeZone();
offsetMillis = tz.getRawOffset();
......
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