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Java > Open Source Codes > org > w3c > dom > xpath > XPathNamespace


1 /*
2  * Copyright (c) 2002 World Wide Web Consortium,
3  * (Massachusetts Institute of Technology, Institut National de
4  * Recherche en Informatique et en Automatique, Keio University). All
5  * Rights Reserved. This program is distributed under the W3C's Software
6  * Intellectual Property License. This program is distributed in the
7  * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
8  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
9  * PURPOSE.
10  * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
11  */
12
13 package org.w3c.dom.xpath;
14
15
16 import org.w3c.dom.Element JavaDoc;
17 import org.w3c.dom.Node JavaDoc;
18
19 /**
20  * The <code>XPathNamespace</code> interface is returned by
21  * <code>XPathResult</code> interfaces to represent the XPath namespace node
22  * type that DOM lacks. There is no public constructor for this node type.
23  * Attempts to place it into a hierarchy or a NamedNodeMap result in a
24  * <code>DOMException</code> with the code <code>HIERARCHY_REQUEST_ERR</code>
25  * . This node is read only, so methods or setting of attributes that would
26  * mutate the node result in a DOMException with the code
27  * <code>NO_MODIFICATION_ALLOWED_ERR</code>.
28  * <p>The core specification describes attributes of the <code>Node</code>
29  * interface that are different for different node node types but does not
30  * describe <code>XPATH_NAMESPACE_NODE</code>, so here is a description of
31  * those attributes for this node type. All attributes of <code>Node</code>
32  * not described in this section have a <code>null</code> or
33  * <code>false</code> value.
34  * <p><code>ownerDocument</code> matches the <code>ownerDocument</code> of the
35  * <code>ownerElement</code> even if the element is later adopted.
36  * <p><code>prefix</code> is the prefix of the namespace represented by the
37  * node.
38  * <p><code>nodeName</code> is the same as <code>prefix</code>.
39  * <p><code>nodeType</code> is equal to <code>XPATH_NAMESPACE_NODE</code>.
40  * <p><code>namespaceURI</code> is the namespace URI of the namespace
41  * represented by the node.
42  * <p><code>adoptNode</code>, <code>cloneNode</code>, and
43  * <code>importNode</code> fail on this node type by raising a
44  * <code>DOMException</code> with the code <code>NOT_SUPPORTED_ERR</code>.In
45  * future versions of the XPath specification, the definition of a namespace
46  * node may be changed incomatibly, in which case incompatible changes to
47  * field values may be required to implement versions beyond XPath 1.0.
48  * <p>See also the <a HREF='http://www.w3.org/2002/08/WD-DOM-Level-3-XPath-20020820'>Document Object Model (DOM) Level 3 XPath Specification</a>.
49  */
50 public interface XPathNamespace extends Node JavaDoc {
51     // XPathNodeType
52 /**
53      * The node is a <code>Namespace</code>.
54      */
55     public static final short XPATH_NAMESPACE_NODE = 13;
56
57     /**
58      * The <code>Element</code> on which the namespace was in scope when it
59      * was requested. This does not change on a returned namespace node even
60      * if the document changes such that the namespace goes out of scope on
61      * that element and this node is no longer found there by XPath.
62      */
63     public Element JavaDoc getOwnerElement();
64
65 }
66
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