Bug 5174 Goto package: Dialog shows META-INF
1. package view, select CU 2. Go to - package... 3. List contains resource folders (incl META-INF)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/PackageSelectionDialog.java
return CANCEL;
		}
		
		if (packageList.isEmpty()) {
			String title= JavaUIMessages.PackageSelectionDialog_nopackages_title; 
			String message= JavaUIMessages.PackageSelectionDialog_nopackages_message; 
			MessageDialog.openInformation(getShell(), title, message);
			return CANCEL;
		}
		
		setElements(packageList.toArray());
		return super.open();
	}
	
	
	/*
	 * @see org.eclipse.jface.window.Window#configureShell(Shell)
	 */
	protected void configureShell(Shell newShell) {
		super.configureShell(newShell);
		PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.OPEN_PACKAGE_DIALOG);
	}
	/*
	 * @see Window#close()
	 */
	public boolean close() {
		writeSettings();
		return super.close();
	}