| /** |
| * 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.apisupport.project.layers; |
| |
| import com.sun.source.util.TreePath; |
| import com.sun.source.util.Trees; |
| import java.net.URI; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import javax.annotation.processing.Completion; |
| import javax.annotation.processing.Completions; |
| import javax.annotation.processing.ProcessingEnvironment; |
| import javax.annotation.processing.Processor; |
| import javax.annotation.processing.RoundEnvironment; |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.AnnotationMirror; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.TypeElement; |
| import javax.tools.JavaFileObject; |
| import org.netbeans.api.project.FileOwnerQuery; |
| import org.netbeans.api.project.Project; |
| import org.openide.filesystems.FileObject; |
| import org.openide.filesystems.FileStateInvalidException; |
| import org.openide.filesystems.FileSystem; |
| |
| /** Provides code completion items for any annotation that needs to understand |
| * the content of a layer. |
| * |
| * @author Jaroslav Tulach <jtulach@netbeans.org> |
| */ |
| public final class PathCompletions implements Processor { |
| private static final Logger LOG = Logger.getLogger(PathCompletions.class.getName()); |
| private ProcessingEnvironment processingEnv; |
| |
| public static void register() { |
| System.setProperty("org.openide.awt.ActionReference.completion", PathCompletions.class.getName()); |
| LOG.finest("Registering property"); // NOI18N |
| } |
| |
| @Override |
| public Set<String> getSupportedOptions() { |
| return Collections.emptySet(); |
| } |
| |
| @Override |
| public Set<String> getSupportedAnnotationTypes() { |
| return Collections.emptySet(); |
| } |
| |
| @Override |
| public SourceVersion getSupportedSourceVersion() { |
| return SourceVersion.latest(); |
| } |
| |
| @Override |
| public void init(ProcessingEnvironment processingEnv) { |
| this.processingEnv = processingEnv; |
| } |
| |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { |
| return false; |
| } |
| |
| @Override |
| public Iterable<? extends Completion> getCompletions( |
| Element element, |
| AnnotationMirror annotation, |
| ExecutableElement member, |
| String userText |
| ) { |
| if (userText.startsWith("\"")) { |
| userText = userText.substring(1); |
| } |
| if (userText.endsWith("\"")) { |
| userText = userText.substring(0, userText.length() - 1); |
| } |
| try { |
| LOG.log(Level.FINE, "userText: {0}", userText); |
| TreePath path = Trees.instance(processingEnv).getPath(member); |
| if (path == null) { |
| return Collections.emptySet(); |
| } |
| JavaFileObject sourceFile = path.getCompilationUnit().getSourceFile(); |
| if (sourceFile == null) { |
| return Collections.emptySet(); |
| } |
| URI u = sourceFile.toUri(); |
| LOG.log(Level.FINE, "uri: {0}", u); |
| Project p = FileOwnerQuery.getOwner(u); |
| LOG.log(Level.FINE, "project: {0}", p); |
| FileSystem fs = LayerUtils.getEffectiveSystemFilesystem(p); |
| LOG.log(Level.FINE, "fs: {0}", fs); |
| |
| FileObject from = fs.findResource(userText); |
| LOG.log(Level.FINE, "from1: {0}", from); |
| if (from == null) { |
| from = fs.findResource(userText.replaceAll("/[^/]*$", "")); |
| } |
| LOG.log(Level.FINE, "from2: {0}", from); |
| List<Completion> arr = new ArrayList<Completion>(); |
| if (from == null) { |
| LOG.fine("No items"); |
| return arr; |
| } |
| for (FileObject fo : from.getChildren()) { |
| if (fo.isFolder() && fo.getPath().startsWith(userText)) { |
| String localizedName = null; |
| final String name = fo.getNameExt(); |
| try { |
| String n = fo.getFileSystem().getDecorator().annotateName(name, Collections.singleton(fo)); |
| if (!n.equals(name)) { |
| localizedName = n; |
| } |
| } catch (FileStateInvalidException ex) { |
| // ok |
| } |
| LOG.log(Level.FINE, "Accepting: {0} as {1}", new Object[] { fo, localizedName }); |
| if (localizedName == null) { |
| arr.add(Completions.of("\"" + fo.getPath() + "/")); |
| } else { |
| arr.add(Completions.of("\"" + fo.getPath() + "/", localizedName)); |
| } |
| } else { |
| LOG.log(Level.FINE, "Ignoring: {0}", fo); |
| } |
| } |
| return arr; |
| } catch (Exception ex) { |
| LOG.log(Level.WARNING, null, ex); |
| return Collections.emptyList(); |
| } |
| } |
| |
| } |