| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.web.inspect.actions; |
| |
| import java.io.File; |
| import java.net.MalformedURLException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.URL; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.netbeans.api.project.Project; |
| import org.netbeans.modules.web.common.api.ServerURLMapping; |
| import org.openide.filesystems.FileObject; |
| import org.openide.filesystems.FileUtil; |
| import org.openide.nodes.Children; |
| |
| /** |
| * Descriptor of a resource (basically a typed wrapper of a {@code String} |
| * suitable for inclusion in a lookup). |
| * |
| * @author Jan Stola |
| */ |
| public final class Resource { |
| /** Cached mappings from {@code Resource} to {@code FileObject}. */ |
| private static final Map<Ref,FileObject> cache = new HashMap<Ref, FileObject>(); |
| /** URI of the resource. */ |
| private final String name; |
| /** Owning project of the resource. */ |
| private final Project project; |
| |
| /** |
| * Creates a new {@code Resource}. |
| * |
| * @param project owning project of the resource. |
| * @param name URI of the resource. |
| */ |
| public Resource(Project project, String name) { |
| this.project = project; |
| this.name = name; |
| } |
| |
| /** |
| * Returns the URI of the resource. |
| * |
| * @return URI of the resource. |
| */ |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * Returns the owning project of the resource. |
| * |
| * @return the owning project of the resource. |
| */ |
| public Project getProject() { |
| return project; |
| } |
| |
| /** |
| * Returns a {@code FileObject} that corresponds to this resource. |
| * |
| * @return {@code FileObject} that corresponds to this resource |
| * or {@code null} if the resource doesn't correspond to a file |
| * or if the corresponding {@code FileObject} cannot be found. |
| */ |
| public FileObject toFileObject() { |
| Ref ref = new Ref(this); |
| synchronized (cache) { |
| if (cache.containsKey(ref)) { |
| FileObject cached = cache.get(ref); |
| if ((cached == null) || cached.isValid()) { |
| return cached; |
| } |
| } |
| } |
| FileObject result = null; |
| // Issue 227766 and 228154 |
| assert !Children.MUTEX.isReadAccess() && !Children.MUTEX.isWriteAccess(); |
| if (project != null) { |
| try { |
| result = ServerURLMapping.fromServer(project, new URL(name)); |
| synchronized (cache) { |
| cache.put(ref, result); |
| } |
| return result; |
| } catch (MalformedURLException ex) { |
| } |
| } |
| if (name != null && name.startsWith("file://")) { // NOI18N |
| try { |
| URI uri = new URI(name); |
| if ((uri.getAuthority() != null) || (uri.getFragment() != null) || (uri.getQuery() != null)) { |
| uri = new URI(uri.getScheme(), null, uri.getPath(), null, null); |
| } |
| File file = new File(uri); |
| file = FileUtil.normalizeFile(file); |
| result = FileUtil.toFileObject(file); |
| } catch (URISyntaxException ex) { |
| Logger.getLogger(Resource.class.getName()).log(Level.INFO, null, ex); |
| } |
| } |
| synchronized (cache) { |
| cache.put(ref, result); |
| } |
| return result; |
| } |
| |
| /** |
| * Clears the cached mappings. |
| */ |
| public static void clearCache() { |
| synchronized (cache) { |
| cache.clear(); |
| } |
| } |
| |
| /** |
| * Wrapper of {@code Resource} that defines {@code equals()} |
| * and {@code hashCode()} methods. These methods cannot be added |
| * into {@code Resource} directly because they would break |
| * {@code CSSStylesSelectionPanel.resourceCache} because |
| * it is {@code WeakHashMap}. |
| */ |
| static class Ref { |
| /** Wrapped {@code Resource}. */ |
| private final Resource resource; |
| |
| /** |
| * Creates a new {@code Ref}. |
| * |
| * @param resource wrapped {@code Resource}. |
| */ |
| Ref(Resource resource) { |
| this.resource = resource; |
| } |
| |
| @Override |
| public int hashCode() { |
| int hash = 5; |
| hash = 97 * hash + (resource.name == null ? 0 : resource.name.hashCode()); |
| hash = 97 * hash + (resource.project == null ? 0 : resource.project.hashCode()); |
| return hash; |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| if (!(object instanceof Ref)) { |
| return false; |
| } |
| Ref other = (Ref)object; |
| if ((resource.name == null) |
| ? (other.resource.name != null) |
| : !resource.name.equals(other.resource.name)) { |
| return false; |
| } |
| return resource.project == other.resource.project |
| || (resource.project != null && resource.project.equals(other.resource.project)); |
| } |
| |
| } |
| |
| } |