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Java > Open Source Codes > org > netbeans > modules > javacore > parser > ASTUtil


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19 package org.netbeans.modules.javacore.parser;
20
21 import org.netbeans.lib.java.parser.ASTree;
22 import org.netbeans.lib.java.parser.ASTreeTypes;
23 import org.netbeans.lib.java.parser.ParserTokens;
24 import org.netbeans.lib.java.parser.Token;
25
26
27 /**
28  *
29  * @author Martin Matula
30  */
31 public class ASTUtil implements ASTreeTypes, ParserTokens {
32
33     private static final String JavaDoc[] EMPTY_STRING_ARRAY=new String JavaDoc[0];
34
35     /** Creates a new instance of ASTUtil */
36     private ASTUtil() {
37     }
38
39     public static String JavaDoc getIdentifier(ASTree tree) {
40         switch (tree.getType()) {
41             case IDENTIFIER:
42                 return (String JavaDoc) ((Token) tree).getValue();
43             case MULTI_PART_ID: {
44                 ASTree parts[] = tree.getSubTrees();
45                 
46                 return getIdentifier(parts[0]).concat(".").concat(getIdentifier(parts[1])); // NOI18N
47 }
48         }
49         return null;
50     }
51 }
52
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