Bug 184569 Time parameter format will affact other data item format.[0705]
Description: Time parameter format will affact other data item format. Build number:2.2.0.v20070428 Steps to reproduce: 1. New a report parameter, Time type. 2. Click Change to set format as hh:mm. 3. Drag the parameter to layout. 4. Insert a Data item, datetime type, input expression as "new Date()". 5. Preview and input 8:30 as value Expected result: Display time value and the second line display datetime value. Actual result: Both parameter and data item display time value. Error log:N/A
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
* <li>2. classloader setted through the appContext.
	 * <li>3. CLASSPATH setted by WEBAPP_CLASSPATH_KEY
	 * <li>4. PROJECT_CLASSPATH_KEY
	 * <li>5. WORKSAPCE_CLASSPATH_KEY
	 * <li>6. JARs define in the report design
	 */
	static private class ApplicationClassLoader extends ClassLoader
	{
		private static String[] classPathes = new String[]{
				EngineConstants.WEBAPP_CLASSPATH_KEY,
				EngineConstants.PROJECT_CLASSPATH_KEY,
				EngineConstants.WORKSPACE_CLASSPATH_KEY};
		private ExecutionContext context = null;
		private ClassLoader loader = null;
		public ApplicationClassLoader( ExecutionContext context )
		{
			this.context = context;
		}
		public Class loadClass( String className )
				throws ClassNotFoundException
		{
			try
			{
				return Class.forName( className );
			}
			catch ( ClassNotFoundException ex )
			{
				if ( loader == null )
				{
					createWrappedClassLoaders( );