Bug 136820 viewer supports render report in pdf format
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/BaseAttributeBean.java
* @return
	 */
	protected void finalize( ) throws Throwable
	{
		try
		{
			__finalize( );
		}
		finally
		{
			super.finalize( );
		}
	}
	/**
	 * Check whether missing parameter or not.
	 * 
	 * @param task
	 * @param parameters
	 * @return
	 */
	protected static boolean validateParameters( Collection parameterList,
			Map parameters )
	{
		assert parameters != null;
		boolean missingParameter = false;
		for ( Iterator iter = parameterList.iterator( ); iter.hasNext( ); )
		{
			IScalarParameterDefn parameterObj = (IScalarParameterDefn) iter
					.next( );
			String parameterName = parameterObj.getName( );