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Java > Open Source Codes > org > openlaszlo > iv > flash > xml > generic > XMLContextImpl


1 /*
2  * $Id: XMLContextImpl.java,v 1.2 2002/02/24 02:10:19 skavish Exp $
3  *
4  * ===========================================================================
5  *
6  * The JGenerator Software License, Version 1.0
7  *
8  * Copyright (c) 2000 Dmitry Skavish (skavish@usa.net). All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
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.
20  *
21  * 3. The end-user documentation included with the redistribution, if
22  * any, must include the following acknowlegement:
23  * "This product includes software developed by Dmitry Skavish
24  * (skavish@usa.net, http://www.flashgap.com/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
27  *
28  * 4. The name "The JGenerator" must not be used to endorse or promote
29  * products derived from this software without prior written permission.
30  * For written permission, please contact skavish@usa.net.
31  *
32  * 5. Products derived from this software may not be called "The JGenerator"
33  * nor may "The JGenerator" appear in their names without prior written
34  * permission of Dmitry Skavish.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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40  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47  * SUCH DAMAGE.
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49  */
50
51 package org.openlaszlo.iv.flash.xml.generic;
52
53
54 import org.openlaszlo.iv.flash.xml.*;
55 import org.openlaszlo.iv.flash.context.*;
56
57 import java.util.*;
58
59 import javax.xml.transform.TransformerException JavaDoc;
60
61 import org.w3c.dom.*;
62 import org.w3c.dom.traversal.NodeIterator;
63
64 /**
65  * Generic XML context
66  * <P>
67  * Represents one xml node
68  *
69  * @author Dmitry Skavish
70  */
71
72 public class XMLContextImpl extends XMLContext {
73
74     /**
75      * Creates xml context with specified parent and xml node.
76      *
77      * @param parent parent context
78      * @param node xml node represented by this context
79      */
80     public XMLContextImpl( Context parent, Node node ) {
81         super(parent, node);
82     }
83
84     /**
85      * Evaluates the specified path ( as XPath ) in this context or nearest
86      * xml parent.
87      *
88      * @param string containing XPath expression
89      * @return string representation of result of xpath execution or empty string
90      */
91     public String JavaDoc getValue( String JavaDoc path ) {
92         return getValueFromParent( path );
93     }
94
95     /**
96      * Evaluates the specified path ( as XPath ) in this context or nearest
97      * xml parent. If the path evaluates to a nodeset, a list of contexts for
98      * the nodes in that nodeset is returned, otherwise null
99      *
100      * @param string containing XPath expression
101      * @returns list of contexts or null
102      */
103     public List getValueList( String JavaDoc path ) {
104         return getValueListFromParent( path );
105     }
106
107 }
108
109
110
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