| /* |
| * 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.refactoring.java.plugins; |
| |
| import com.sun.source.tree.Tree; |
| import com.sun.source.util.TreePath; |
| import org.netbeans.api.java.source.support.ErrorAwareTreePathScanner; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import javax.lang.model.element.Element; |
| import org.netbeans.api.java.source.CompilationController; |
| import org.netbeans.api.java.source.JavaSource; |
| import org.netbeans.modules.refactoring.java.spi.ToPhaseException; |
| import org.openide.ErrorManager; |
| import org.openide.util.Exceptions; |
| |
| /** |
| * |
| * @author Jan Becicka |
| */ |
| public class FindVisitor extends ErrorAwareTreePathScanner<Tree, Element> { |
| |
| private Collection<TreePath> usages = new ArrayList<TreePath>(); |
| |
| protected CompilationController workingCopy; |
| |
| public FindVisitor(CompilationController workingCopy) { |
| try { |
| setWorkingCopy(workingCopy); |
| } catch (ToPhaseException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| } |
| |
| /** |
| * |
| * @param workingCopy |
| * @throws org.netbeans.modules.refactoring.java.spi.ToPhaseException |
| */ |
| public void setWorkingCopy(CompilationController workingCopy) throws ToPhaseException { |
| this.workingCopy = workingCopy; |
| try { |
| if (this.workingCopy.toPhase(JavaSource.Phase.RESOLVED) != JavaSource.Phase.RESOLVED) { |
| throw new ToPhaseException(); |
| } |
| } catch (IOException ioe) { |
| ErrorManager.getDefault().notify(ioe); |
| } |
| } |
| |
| public Collection<TreePath> getUsages() { |
| return usages; |
| } |
| |
| protected void addUsage(TreePath tp) { |
| assert tp != null; |
| usages.add(tp); |
| } |
| } |