| /******************************************************************************* |
| * Copyright (c) 2009 Oracle. |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License v1.0 which |
| * accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jpt.common.ui.internal.jface; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IFolder; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| import org.eclipse.jpt.common.ui.JptCommonUiPlugin; |
| |
| /** |
| * This filter will deny showing any file that are not JAR files or folders |
| * that don't contain any JAR files in its sub-hierarchy. |
| */ |
| public class ArchiveFileViewerFilter |
| extends ViewerFilter |
| { |
| private static final String[] archiveExtensions= { "jar", "zip" }; //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| |
| public ArchiveFileViewerFilter() { |
| super(); |
| } |
| |
| |
| @Override |
| public boolean select( |
| Viewer viewer, Object parentElement, Object element) { |
| if (element instanceof IFile) { |
| return isArchivePath(((IFile)element).getFullPath()); |
| } |
| else if (element instanceof IFolder) { |
| IFolder folder = (IFolder) element; |
| try { |
| for (IResource each : folder.members()) { |
| if (select(viewer, folder, each)) { |
| return true; |
| } |
| } |
| } |
| catch (CoreException ce) { |
| // just skip this one, then |
| JptCommonUiPlugin.log(ce); |
| } |
| } |
| return false; |
| } |
| |
| public static boolean isArchivePath(IPath path) { |
| String ext= path.getFileExtension(); |
| if (ext != null && ext.length() != 0) { |
| for (int i= 0; i < archiveExtensions.length; i++) { |
| if (ext.equalsIgnoreCase(archiveExtensions[i])) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| } |