KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > com > caucho > xml > QEmptyNodeList


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.xml;
30
31 import com.caucho.xpath.pattern.NodeListIterator;
32
33 import org.w3c.dom.Node JavaDoc;
34 import org.w3c.dom.NodeList JavaDoc;
35
36 import java.util.Iterator JavaDoc;
37
38 /**
39  * QAbstractNode is an abstract implementation for any DOM node.
40  */
41 public class QEmptyNodeList implements NodeList JavaDoc {
42   /**
43    * Returns the child with the given index.
44    */
45   public Node JavaDoc item(int index)
46   {
47     return null;
48   }
49
50   /**
51    * Returns the number of children.
52    */
53   public int getLength()
54   {
55     return 0;
56   }
57
58   // for quercus
59 public Iterator<Node JavaDoc> iterator()
60   {
61     return new NodeListIterator(null, this);
62   }
63 }
64
Popular Tags