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
* @return
	 */
	public DesignElementHandle getHandle( )
	{
		if ( reportHandles.empty( ) )
		{
			return null;
		}
		return (DesignElementHandle) reportHandles.peek( );
	}
	/**
	 * Adds the exception
	 * 
	 * @param ex
	 *            the Throwable instance
	 */
	public void addException( BirtException ex )
	{
		DesignElementHandle handle = getDesign( );
		if ( design != null )
		{
			handle = design.getHandle( );
		}
		addException( handle, ex );
	}
	protected HashMap elementExceptions = new HashMap( );
	public void addException( DesignElementHandle element, BirtException ex )
	{
		ElementExceptionInfo exInfo = (ElementExceptionInfo) elementExceptions
				.get( element );