| /* |
| * 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.BlockTree; |
| import com.sun.source.tree.CaseTree; |
| import com.sun.source.tree.ClassTree; |
| import com.sun.source.tree.DoWhileLoopTree; |
| import com.sun.source.tree.EnhancedForLoopTree; |
| import com.sun.source.tree.ForLoopTree; |
| import com.sun.source.tree.IdentifierTree; |
| import com.sun.source.tree.IfTree; |
| import com.sun.source.tree.LambdaExpressionTree; |
| import com.sun.source.tree.SwitchTree; |
| import com.sun.source.tree.TryTree; |
| import com.sun.source.tree.VariableTree; |
| import com.sun.source.tree.WhileLoopTree; |
| import org.netbeans.api.java.source.support.ErrorAwareTreePathScanner; |
| import javax.lang.model.element.Element; |
| import javax.lang.model.element.ElementKind; |
| import org.netbeans.api.java.source.CompilationInfo; |
| |
| /** |
| * |
| * @author Jan Becicka |
| */ |
| public class LocalVarScanner extends ErrorAwareTreePathScanner<Boolean, Element> { |
| |
| private CompilationInfo info; |
| private String newName; |
| boolean result = false; |
| public LocalVarScanner(CompilationInfo workingCopy, String newName) { |
| this.info = workingCopy; |
| this.newName = newName; |
| } |
| |
| @Override |
| public Boolean visitLambdaExpression(LambdaExpressionTree node, Element p) { |
| return null; |
| } |
| |
| @Override |
| public Boolean visitClass(ClassTree node, Element p) { |
| return null; |
| } |
| |
| @Override |
| public Boolean visitBlock(BlockTree node, Element p) { |
| return null; |
| } |
| |
| @Override |
| public Boolean visitForLoop(ForLoopTree node, Element p) { |
| return null; |
| } |
| |
| @Override |
| public Boolean visitIf(IfTree node, Element p) { |
| return null; |
| } |
| |
| @Override |
| public Boolean visitWhileLoop(WhileLoopTree node, Element p) { |
| return null; |
| } |
| |
| @Override |
| public Boolean visitEnhancedForLoop(EnhancedForLoopTree node, Element p) { |
| return null; |
| } |
| |
| @Override |
| public Boolean visitSwitch(SwitchTree node, Element p) { |
| return null; |
| } |
| |
| @Override |
| public Boolean visitDoWhileLoop(DoWhileLoopTree node, Element p) { |
| return null; |
| } |
| |
| @Override |
| public Boolean visitTry(TryTree node, Element p) { |
| return null; |
| } |
| |
| @Override |
| public Boolean visitVariable(VariableTree variable, Element element) { |
| if (newName!=null && variable.getName().toString().equals(newName)) { |
| result= true; |
| } |
| return super.visitVariable(variable, element); |
| } |
| @Override |
| public Boolean visitIdentifier(IdentifierTree node, Element p) { |
| Element current = info.getTrees().getElement(getCurrentPath()); |
| if (newName==null) { |
| if (current !=null && current.equals(p)) { |
| result = true; |
| } |
| } else if (current != null && current.getKind() == ElementKind.FIELD && node.getName().toString().equals(newName)) { |
| result = true; |
| } |
| return super.visitIdentifier(node, p); |
| } |
| |
| public boolean hasRefernces() { |
| return result; |
| } |
| } |