001 /* 002 * Copyright (c) 2004 World Wide Web Consortium, 003 * 004 * (Massachusetts Institute of Technology, European Research Consortium for 005 * Informatics and Mathematics, Keio University). All Rights Reserved. This 006 * work is distributed under the W3C(r) Software License [1] in the hope that 007 * it will be useful, but WITHOUT ANY WARRANTY; without even the implied 008 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 009 * 010 * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231 011 */ 012 013 package org.w3c.dom.xpath; 014 015 import org.w3c.dom.Element; 016 import org.w3c.dom.Node; 017 018 /** 019 * The <code>XPathNamespace</code> interface is returned by 020 * <code>XPathResult</code> interfaces to represent the XPath namespace node 021 * type that DOM lacks. There is no public constructor for this node type. 022 * Attempts to place it into a hierarchy or a NamedNodeMap result in a 023 * <code>DOMException</code> with the code <code>HIERARCHY_REQUEST_ERR</code> 024 * . This node is read only, so methods or setting of attributes that would 025 * mutate the node result in a DOMException with the code 026 * <code>NO_MODIFICATION_ALLOWED_ERR</code>. 027 * <p>The core specification describes attributes of the <code>Node</code> 028 * interface that are different for different node types but does not 029 * describe <code>XPATH_NAMESPACE_NODE</code>, so here is a description of 030 * those attributes for this node type. All attributes of <code>Node</code> 031 * not described in this section have a <code>null</code> or 032 * <code>false</code> value. 033 * <p><code>ownerDocument</code> matches the <code>ownerDocument</code> of the 034 * <code>ownerElement</code> even if the element is later adopted. 035 * <p><code>nodeName</code> is always the string "<code>#namespace</code>". 036 * <p><code>prefix</code> is the prefix of the namespace represented by the 037 * node. 038 * <p><code>localName</code> is the same as <code>prefix</code>. 039 * <p><code>nodeType</code> is equal to <code>XPATH_NAMESPACE_NODE</code>. 040 * <p><code>namespaceURI</code> is the namespace URI of the namespace 041 * represented by the node. 042 * <p><code>nodeValue</code> is the same as <code>namespaceURI</code>. 043 * <p><code>adoptNode</code>, <code>cloneNode</code>, and 044 * <code>importNode</code> fail on this node type by raising a 045 * <code>DOMException</code> with the code <code>NOT_SUPPORTED_ERR</code>. 046 * <p ><b>Note:</b> In future versions of the XPath specification, the 047 * definition of a namespace node may be changed incomatibly, in which case 048 * incompatible changes to field values may be required to implement 049 * versions beyond XPath 1.0. 050 * <p>See also the <a href='http://www.w3.org/TR/2004/NOTE-DOM-Level-3-XPath-20040226'>Document Object Model (DOM) Level 3 XPath Specification</a>. 051 */ 052 public interface XPathNamespace extends Node { 053 // XPathNodeType 054 /** 055 * The node is a <code>Namespace</code>. 056 */ 057 public static final short XPATH_NAMESPACE_NODE = 13; 058 059 /** 060 * The <code>Element</code> on which the namespace was in scope when it 061 * was requested. This does not change on a returned namespace node even 062 * if the document changes such that the namespace goes out of scope on 063 * that element and this node is no longer found there by XPath. 064 */ 065 public Element getOwnerElement(); 066 067 }