private void updatePackageExplorer() {
                final IViewPart foundView = PlatformUI.getWorkbench()
                                .getActiveWorkbenchWindow().getActivePage()
                                .findView(JavaUI.ID_PACKAGES);

                if (foundView instanceof IPackagesViewPart) {
                        final IPackagesViewPart packageExplorerView = (IPackagesViewPart) foundView;
                        final TreeViewer treeViewer = packageExplorerView.getTreeViewer();
                        treeViewer.refresh();
                }

        }