Move large chunk of code into its own method

h2/src/main/org/h2/tools/CreateCluster.java

@@ -136,6 +136,17 @@ public class CreateCluster extends Tool {
             // so that data can't change while restoring the second database
             statSource.execute("SET EXCLUSIVE 2");
 
+            try {
+                performTransfer(statSource, urlTarget, user, password, serverList);
+            } finally {
+                // switch back to the regular mode
+                statSource.execute("SET EXCLUSIVE FALSE");
+            }
+        }
+    }
+
+    private static void performTransfer(Statement statSource, String urlTarget,
+            String user, String password, String serverList) throws SQLException {
         try (PipedReader pipeReader = new PipedReader()) {
             /*
              * Pipe writer is used + closed in the inner class, in a
@@ -192,10 +203,6 @@ public class CreateCluster extends Tool {
             }
         } catch (IOException ex) {
             throw new SQLException(ex);
-            } finally {
-                // switch back to the regular mode
-                statSource.execute("SET EXCLUSIVE FALSE");
-            }
         }
     }