Bug 31683 Show In doesn't work for class file in rt.jar
I20030611 - create Test project that uses Jar container - open NumberFormat.class - activate Show In... and choose Package Explorer Observe: NumberFormat.class doesn't get revealed.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerContentProvider.java
*/
	private Object[] getWithParentsResources(Object[] existingObject, Object parent) {
		Object[] objects= super.getChildren(parent);
		List list= new ArrayList();
		
		for (int i= 0; i < objects.length; i++) {
			Object object= objects[i];
			if (!(object instanceof IPackageFragment)) {
				list.add(object);
			}
		}
		if (existingObject != null)
			list.addAll(Arrays.asList(existingObject));
		return list.toArray();
	}
	/* (non-Javadoc)
	 * Method declared on IContentProvider.
	 */
	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
		super.inputChanged(viewer, oldInput, newInput);
		fPackageFragmentProvider.inputChanged(viewer, oldInput, newInput);
		fViewer= (TreeViewer)viewer;
		if (oldInput == null && newInput != null) {
			JavaCore.addElementChangedListener(this); 
		} else if (oldInput != null && newInput == null) {
			JavaCore.removeElementChangedListener(this); 
		}
		fInput= newInput;
	}