01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28: * Microsystems, Inc. All Rights Reserved.
29: *
30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
34: * single choice of license, a recipient has the option to distribute
35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
39: * made subject to such option by the copyright holder.
40: */
41:
42: package org.netbeans.modules.refactoring.java.plugins;
43:
44: import com.sun.source.tree.*;
45: import com.sun.source.util.TreePathScanner;
46: import javax.lang.model.element.*;
47: import org.netbeans.api.java.source.CompilationInfo;
48:
49: /**
50: *
51: * @author Jan Becicka
52: */
53: public class LocalVarScanner extends TreePathScanner<Boolean, Element> {
54:
55: private CompilationInfo info;
56: private String newName;
57: boolean result = false;
58:
59: public LocalVarScanner(CompilationInfo workingCopy, String newName) {
60: this .info = workingCopy;
61: this .newName = newName;
62: }
63:
64: @Override
65: public Boolean visitVariable(VariableTree variable, Element element) {
66: if (newName != null
67: && variable.getName().toString().equals(newName)) {
68: result = true;
69: }
70: return super .visitVariable(variable, element);
71: }
72:
73: @Override
74: public Boolean visitIdentifier(IdentifierTree node, Element p) {
75: Element current = info.getTrees().getElement(getCurrentPath());
76: if (newName == null) {
77: if (current != null && current.equals(p)) {
78: result = true;
79: }
80: } else if (current.getKind().isField()
81: && node.getName().toString().equals(newName)) {
82: result = true;
83: }
84: return super .visitIdentifier(node, p);
85: }
86:
87: public boolean hasRefernces() {
88: return result;
89: }
90: }
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