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Java > Open Source Codes > org > xmldb > xupdate > lexus > commands > InsertProcessingInstruction


1 package org.xmldb.xupdate.lexus.commands;
2
3 /*
4  * The XML:DB Initiative Software License, Version 1.0
5  *
6  *
7  * Copyright (c) 2000-2003 The XML:DB Initiative. All rights
8  * reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright
15  * notice, this list of conditions and the following disclaimer.
16  *
17  * 2. Redistributions in binary form must reproduce the above copyright
18  * notice, this list of conditions and the following disclaimer in
19  * the documentation and/or other materials provided with the
20  * distribution.
21  *
22  * 3. The end-user documentation included with the redistribution,
23  * if any, must include the following acknowledgment:
24  * "This product includes software developed by the
25  * XML:DB Initiative (http://www.xmldb.org/)."
26  * Alternately, this acknowledgment may appear in the software itself,
27  * if and wherever such third-party acknowledgments normally appear.
28  *
29  * 4. The name "XML:DB Initiative" must not be used to endorse or
30  * promote products derived from this software without prior written
31  * permission. For written permission, please contact info@xmldb.org.
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33  * 5. Products derived from this software may not be called "XML:DB",
34  * nor may "XML:DB" appear in their name, without prior written
35  * permission of the XML:DB Initiative.
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37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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54  */

55
56 import org.w3c.dom.Node JavaDoc;
57
58 /**
59  *
60  * @version $Id: InsertProcessingInstruction.java,v 1.4 2003/05/21 08:17:38 jbreedveld Exp $
61  * @author <a HREF="http://www.smb-tec.com">SMB</a>
62  */

63 public class InsertProcessingInstruction extends InsertStates {
64
65   /**
66    *
67    */

68   public InsertProcessingInstruction() {
69     super();
70   }
71
72   /**
73    *
74    */

75   public Node JavaDoc execute(Node JavaDoc contextNode) throws Exception JavaDoc {
76     if (attributes == null) {
77       throw new Exception JavaDoc("no attributes for processing-instruction constructor!");
78     }
79     String JavaDoc target;
80     if (attributes.containsKey("name")) {
81       target = (String JavaDoc) attributes.get("name");
82     } else {
83       throw new Exception JavaDoc("no name attribute for processing-instruction constructor!");
84     }
85     String JavaDoc data = "";
86     if (!characters.isEmpty()) {
87       data = (String JavaDoc) characters.firstElement();
88     }
89     Node JavaDoc pi = contextNode.getOwnerDocument().createProcessingInstruction(target, data);
90     return contextNode.appendChild(pi);
91   }
92 }
93
94
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