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Java > Open Source Codes > org > xmldb > common > xml > queries > xalan2 > XObjectImpl


1 package org.xmldb.common.xml.queries.xalan2;
2 /*
3  * The XML:DB Initiative Software License, Version 1.0
4  *
5  *
6  * Copyright (c) 2000-2003 The XML:DB Initiative. All rights
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10  * modification, are permitted provided that the following conditions
11  * are met:
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14  * notice, this list of conditions and the following disclaimer.
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16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
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21  * 3. The end-user documentation included with the redistribution,
22  * if any, must include the following acknowledgment:
23  * "This product includes software developed by the
24  * XML:DB Initiative (http://www.xmldb.org/)."
25  * Alternately, this acknowledgment may appear in the software itself,
26  * if and wherever such third-party acknowledgments normally appear.
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28  * 4. The name "XML:DB Initiative" must not be used to endorse or
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32  * 5. Products derived from this software may not be called "XML:DB",
33  * nor may "XML:DB" appear in their name, without prior written
34  * permission of the XML:DB Initiative.
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36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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53  */
54 import org.w3c.dom.DocumentFragment JavaDoc;
55 import org.w3c.dom.NodeList JavaDoc;
56 import org.xmldb.common.xml.queries.XObject;
57
58
59 /**
60  * Wrapper for the Xalan XObject and maybe other XPath implementation
61  * specific things.
62  * @version $Revision: 1.3 $ $Date: 2003/05/16 16:01:36 $
63  * @author <a HREF="http://www.softwarebuero.de">SMB</a>
64  */
65 public final class XObjectImpl implements XObject {
66
67     //
68 // Data
69 //
70 private org.apache.xpath.objects.XObject _xobj = null;
71
72     /**
73      * Creates a new XalanXObject.
74      * @param xobj Xalans native XObject that should be wrapped.
75      * @exception IllegalArgumentException If the given XObject was null.
76      */
77     public XObjectImpl (org.apache.xpath.objects.XObject xobj) throws IllegalArgumentException JavaDoc {
78         if (xobj == null)
79             throw new IllegalArgumentException JavaDoc ("XalanXObject(): Argument was null!");
80         _xobj = xobj;
81     }
82
83     public int getType() {
84         return _xobj.getType();
85     }
86
87     public boolean bool()
88         throws javax.xml.transform.TransformerException JavaDoc {
89         return _xobj.bool();
90     }
91
92     public double num()
93         throws javax.xml.transform.TransformerException JavaDoc {
94         return _xobj.num();
95     }
96
97     public String JavaDoc str() {
98         return _xobj.str();
99     }
100
101     public NodeList JavaDoc nodeset()
102         throws javax.xml.transform.TransformerException JavaDoc {
103         return (NodeList JavaDoc) _xobj.nodelist();
104     }
105
106     public DocumentFragment JavaDoc rtree() {
107         return _xobj.rtree();
108     }
109 }
110
111
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