| /* |
| * 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.maven.nodes; |
| |
| import java.io.File; |
| import java.net.URI; |
| import java.net.URL; |
| import java.util.HashSet; |
| import java.util.Set; |
| import org.apache.maven.artifact.Artifact; |
| import org.netbeans.api.annotations.common.CheckForNull; |
| import org.netbeans.api.annotations.common.NonNull; |
| import org.netbeans.api.annotations.common.NullAllowed; |
| import org.netbeans.api.java.queries.SourceForBinaryQuery; |
| import org.netbeans.spi.project.ui.PathFinder; |
| import org.openide.filesystems.FileObject; |
| import org.openide.filesystems.FileUtil; |
| import org.openide.filesystems.URLMapper; |
| import org.openide.loaders.DataObject; |
| import org.openide.nodes.Node; |
| |
| /** |
| * |
| * @author Tomas Zezula |
| */ |
| class PathFinders { |
| |
| private PathFinders() { |
| throw new IllegalStateException(); |
| } |
| |
| |
| @NonNull |
| static PathFinder createPathFinder() { |
| return new SubNodesPathFinder(); |
| } |
| |
| @NonNull |
| static PathFinder createDelegatingPathFinder(@NullAllowed PathFinder delegate) { |
| final RebasePathFinder res = new RebasePathFinder(); |
| res.setDelegate(delegate); |
| return res; |
| } |
| |
| |
| static void updateDelegate( |
| @NonNull PathFinder pathFinder, |
| @NonNull PathFinder delegate) { |
| if (!(pathFinder instanceof RebasePathFinder)) { |
| throw new IllegalStateException(); |
| } |
| ((RebasePathFinder)pathFinder).setDelegate(delegate); |
| } |
| |
| private static final class SubNodesPathFinder implements PathFinder { |
| |
| @Override |
| public Node findPath(Node root, Object target) { |
| Node result = null; |
| for (Node node : root.getChildren().getNodes(true)) { |
| final org.netbeans.spi.project.ui.PathFinder pf = |
| node.getLookup().lookup(org.netbeans.spi.project.ui.PathFinder.class); |
| if (pf == null) { |
| continue; |
| } |
| result = pf.findPath(node, target); |
| if (result != null) { |
| break; |
| } |
| } |
| return result; |
| } |
| |
| } |
| |
| |
| private static final class RebasePathFinder implements PathFinder { |
| |
| private static final String JAVA = ".java"; // NOI18N |
| private static final String CLASS = ".class"; // NOI18N |
| |
| //@GuardBy("PathFinder.class") |
| private static URI currentKey; |
| //@GuardBy("PathFinder.class") |
| private static Set<URI> currentValues; |
| |
| private volatile org.netbeans.spi.project.ui.PathFinder delegate; |
| |
| |
| void setDelegate (@NullAllowed final org.netbeans.spi.project.ui.PathFinder delegate) { |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public Node findPath(Node root, Object target) { |
| Node result = null; |
| org.netbeans.spi.project.ui.PathFinder _delegate = delegate; |
| if (_delegate != null && target instanceof FileObject) { |
| FileObject binRoot = root.getLookup().lookup(FileObject.class); |
| if (binRoot == null) { |
| Artifact ar = root.getLookup().lookup(Artifact.class); |
| if (ar != null) { |
| final File arFile = ar.getFile(); |
| if (arFile != null) { |
| final URL arURL = FileUtil.urlForArchiveOrDir(arFile); |
| if (arURL != null) { |
| binRoot = URLMapper.findFileObject(arURL); |
| } |
| } |
| } |
| } |
| if (binRoot == null) { |
| DataObject dobj = root.getLookup().lookup(DataObject.class); |
| if (dobj != null) { |
| binRoot = dobj.getPrimaryFile(); |
| } |
| } |
| if (binRoot != null) { |
| FileObject newTarget = rebase(binRoot, (FileObject) target); |
| if (newTarget != null) { |
| result = _delegate.findPath(root, newTarget); |
| } |
| } |
| } |
| return result; |
| } |
| |
| @CheckForNull |
| static FileObject rebase( |
| @NonNull final FileObject binRoot, |
| @NonNull final FileObject sourceTarget) { |
| |
| if (shouldIgnore(sourceTarget.toURI(), binRoot.toURI())) { |
| return null; |
| } |
| final URL providedBinRootURL = (URL) sourceTarget.getAttribute("classfile-root"); //NOI18N |
| final String providedBinaryName = (String) sourceTarget.getAttribute("classfile-binaryName"); //NOI18N |
| if (providedBinRootURL != null && providedBinaryName != null) { |
| final FileObject providedBinRoot = URLMapper.findFileObject(providedBinRootURL); |
| if (binRoot.equals(providedBinRoot)) { |
| return binRoot.getFileObject(providedBinaryName + CLASS); |
| } |
| } else { |
| for (FileObject srcRoot : SourceForBinaryQuery.findSourceRoots(binRoot.toURL()).getRoots()) { |
| if (FileUtil.isParentOf(srcRoot, sourceTarget)) { |
| String path = FileUtil.getRelativePath(srcRoot, sourceTarget); |
| if (path.endsWith(JAVA)) { |
| path = path.substring(0,path.length()-JAVA.length()) + CLASS; |
| } |
| FileObject newTarget = binRoot.getFileObject(path); |
| if (newTarget != null) { |
| return newTarget; |
| } |
| } |
| } |
| } |
| ignore(sourceTarget.toURI(), binRoot.toURI()); |
| return null; |
| } |
| |
| private static synchronized boolean shouldIgnore ( |
| @NonNull final URI key, |
| @NonNull final URI value) { |
| if (!key.equals(currentKey)) { |
| return false; |
| } |
| return currentValues.contains(value); |
| } |
| |
| private static synchronized void ignore( |
| @NonNull final URI key, |
| @NonNull final URI value) { |
| if (!key.equals(currentKey)) { |
| currentKey = key; |
| currentValues = new HashSet<URI>(); |
| } |
| currentValues.add(value); |
| } |
| |
| } |
| |
| } |