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Java > Open Source Codes > org > netbeans > tax > dom > Children


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
20 package org.netbeans.tax.dom;
21
22 import org.w3c.dom.*;
23 import org.netbeans.tax.*;
24
25 /**
26  * Utility class holding children methods.
27  *
28  * @author Petr Kuzel
29  */
30 class Children {
31
32     public static Node getNextSibling(TreeChild child) {
33         TreeChild sibling = child.getNextSibling();
34
35         while (sibling != null) {
36             if (sibling instanceof TreeElement) {
37                 return Wrapper.wrap((TreeElement) sibling);
38             } else if (sibling instanceof TreeText) {
39                 return Wrapper.wrap((TreeText) sibling);
40             }
41             sibling = sibling.getNextSibling();
42         }
43         return null;
44     }
45     
46     public static Node getPreviousSibling(TreeChild child) {
47         TreeChild sibling = child.getPreviousSibling();
48         
49         while (sibling != null) {
50             if (sibling instanceof TreeElement) {
51                 return Wrapper.wrap((TreeElement) sibling);
52             } else if (sibling instanceof TreeText) {
53                 return Wrapper.wrap((TreeText) sibling);
54             }
55             sibling = sibling.getPreviousSibling();
56         }
57         return null;
58     }
59     
60 }
61
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