Bug 152830 Need model's support to add jar files
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/writer/ModuleWriter.java
{
			DesignElement column = (DesignElement) iter.next( );
			List propDefns = column.getPropertyDefns( );
			Iterator iterDefn = propDefns.iterator( );
			while ( iterDefn.hasNext( ) && !needWrite )
			{
				PropertyDefn propDefn = (PropertyDefn) iterDefn.next( );
				if ( column
						.getLocalProperty( getModule( ), propDefn.getName( ) ) != null )
				{
					needWrite = true;
				}
			}
		}
		if ( needWrite )
		{
			
			
			
			iter = list.iterator( );
			while ( iter.hasNext( ) )
			{
				( (DesignElement) iter.next( ) ).apply( this );
			}
		}
	}
	/**
	 * Writes the values for user properties.
	 * 
	 * @param obj