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Java > Open Source Codes > org > openlaszlo > iv > flash > xml > XPathProcessor


1 /*
2  * $Id: XPathProcessor.java,v 1.3 2002/02/24 02:10:19 skavish Exp $
3  *
4  * ===========================================================================
5  *
6  * The JGenerator Software License, Version 1.0
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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:
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13  * 1. Redistributions of source code must retain the above copyright
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
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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.
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30  * For written permission, please contact skavish@usa.net.
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32  * 5. Products derived from this software may not be called "The JGenerator"
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50
51 package org.openlaszlo.iv.flash.xml;
52
53 import java.util.Iterator JavaDoc;
54 import org.w3c.dom.*;
55 import javax.xml.transform.TransformerException JavaDoc;
56
57 /**
58  * XPath processor
59  * <P>
60  * Provides various methods for XPath processing
61  *
62  * @author Dmitry Skavish
63  */
64 public interface XPathProcessor {
65
66     /**
67      * Evaluates XPath to list of nodes.
68      *
69      * @param expr XPath expression
70      * @param node xml node to evaluated on
71      * @return result of xpath execution - iterator on nodes
72      * @exception Exception
73      */
74     public Iterator JavaDoc selectNodeList( String JavaDoc expr, Node node ) throws TransformerException JavaDoc;
75
76     /**
77      * Evaluates XPath to one node.
78      *
79      * @param expr XPath expression
80      * @param node xml node to be evaluated on
81      * @return xml node
82      * @exception Exception
83      */
84     public Node selectSingleNode( String JavaDoc expr, Node node ) throws TransformerException JavaDoc;
85 }
86
87
88
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