Bug 126658 [CommonNavigator] [DND] Complete definition of DND API
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/internal/navigator/resources/actions/PortingActionProvider.java
private static final String COMMON_NAVIGATOR_IMPORT_MENU = "common.import.menu"; 
	private static final String COMMON_NAVIGATOR_EXPORT_MENU = "common.export.menu"; 	
	private ImportResourcesAction importAction;
	private ExportResourcesAction exportAction;
	private WizardActionGroup importWizardActionGroup;
	private WizardActionGroup exportWizardActionGroup;
	private boolean disposed = false;
	private boolean contribute= false;
	public void init(ICommonActionExtensionSite aConfig) {
		Assert.isTrue(!disposed);
		if (aConfig.getViewSite() instanceof ICommonViewerWorkbenchSite) {
			IWorkbenchWindow window = ((ICommonViewerWorkbenchSite) aConfig
					.getViewSite()).getWorkbenchWindow();
			importAction = new ImportResourcesAction(window);
			exportAction = new ExportResourcesAction(window);
			importWizardActionGroup = new WizardActionGroup(window, PlatformUI