Bug 126507 [CommonNavigator] [Java] Proposed Java extension for Common Navigator
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerContentProvider.java
*/
	private boolean processResourceDeltas(IResourceDelta[] deltas, Object parent) {
		if (deltas == null)
			return false;
		
		if (deltas.length > 1) {
			
			postRefresh(parent, ORIGINAL, parent);
			return true;
		}
		for (int i= 0; i < deltas.length; i++) {
			if (processResourceDelta(deltas[i], parent))
				return true;
		}
		return false;
	}
	private void postRefresh(Object root, int relation, Object affectedElement) {
		
		
		if (isParent(root, fInput)) 
			root= fInput;
		List toRefresh= new ArrayList(1);
		toRefresh.add(root);
		augmentElementToRefresh(toRefresh, relation, affectedElement);
		postRefresh(toRefresh, true);
	}
	
	protected void augmentElementToRefresh(List toRefresh, int relation, Object affectedElement) {
	}
	boolean isParent(Object root, Object child) {