Bug 166015 Refactor designer actions to eclipse command framework
Eclipse command framework provide a more explicit way to manage UI actions contributions, we can take it's advantage to make our actions code more clean and maintainable.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/views/actions/RefreshModuleHandleAction.java
return false;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.action.Action#run()
	 */
	public void run( )
	{
		Object obj = getSelection( );
		if ( obj instanceof ReportDesignHandle || obj instanceof LibraryHandle )
		{
			ModuleHandle moduleHandle = (ModuleHandle) obj;
			try
			{
				moduleHandle.reloadLibraries( );
			}
			catch ( SemanticException e )
			{
				ExceptionHandler.handle( e );
			}
			catch ( DesignFileException e )
			{
				
				ExceptionHandler.handle( e );
			}
		}
	}
}