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1: /* 2: * Copyright (c) 2004 World Wide Web Consortium, 3: * 4: * (Massachusetts Institute of Technology, European Research Consortium for 5: * Informatics and Mathematics, Keio University). All Rights Reserved. This 6: * work is distributed under the W3C(r) Software License [1] in the hope that 7: * it will be useful, but WITHOUT ANY WARRANTY; without even the implied 8: * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 9: * 10: * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231 11: */ 12: 13: package org.w3c.dom; 14: 15: /** 16: * Objects implementing the <code>NamedNodeMap</code> interface are used to 17: * represent collections of nodes that can be accessed by name. Note that 18: * <code>NamedNodeMap</code> does not inherit from <code>NodeList</code>; 19: * <code>NamedNodeMaps</code> are not maintained in any particular order. 20: * Objects contained in an object implementing <code>NamedNodeMap</code> may 21: * also be accessed by an ordinal index, but this is simply to allow 22: * convenient enumeration of the contents of a <code>NamedNodeMap</code>, 23: * and does not imply that the DOM specifies an order to these Nodes. 24: * <p><code>NamedNodeMap</code> objects in the DOM are live. 25: * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>. 26: */ 27: public interface NamedNodeMap { 28: /** 29: * Retrieves a node specified by name. 30: * @param name The <code>nodeName</code> of a node to retrieve. 31: * @return A <code>Node</code> (of any type) with the specified 32: * <code>nodeName</code>, or <code>null</code> if it does not identify 33: * any node in this map. 34: */ 35: public Node getNamedItem(String name); 36: 37: /** 38: * Adds a node using its <code>nodeName</code> attribute. If a node with 39: * that name is already present in this map, it is replaced by the new 40: * one. Replacing a node by itself has no effect. 41: * <br>As the <code>nodeName</code> attribute is used to derive the name 42: * which the node must be stored under, multiple nodes of certain types 43: * (those that have a "special" string value) cannot be stored as the 44: * names would clash. This is seen as preferable to allowing nodes to be 45: * aliased. 46: * @param arg A node to store in this map. The node will later be 47: * accessible using the value of its <code>nodeName</code> attribute. 48: * @return If the new <code>Node</code> replaces an existing node the 49: * replaced <code>Node</code> is returned, otherwise <code>null</code> 50: * is returned. 51: * @exception DOMException 52: * WRONG_DOCUMENT_ERR: Raised if <code>arg</code> was created from a 53: * different document than the one that created this map. 54: * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly. 55: * <br>INUSE_ATTRIBUTE_ERR: Raised if <code>arg</code> is an 56: * <code>Attr</code> that is already an attribute of another 57: * <code>Element</code> object. The DOM user must explicitly clone 58: * <code>Attr</code> nodes to re-use them in other elements. 59: * <br>HIERARCHY_REQUEST_ERR: Raised if an attempt is made to add a node 60: * doesn't belong in this NamedNodeMap. Examples would include trying 61: * to insert something other than an Attr node into an Element's map 62: * of attributes, or a non-Entity node into the DocumentType's map of 63: * Entities. 64: */ 65: public Node setNamedItem(Node arg) 66: throws DOMException; 67: 68: /** 69: * Removes a node specified by name. When this map contains the attributes 70: * attached to an element, if the removed attribute is known to have a 71: * default value, an attribute immediately appears containing the 72: * default value as well as the corresponding namespace URI, local name, 73: * and prefix when applicable. 74: * @param name The <code>nodeName</code> of the node to remove. 75: * @return The node removed from this map if a node with such a name 76: * exists. 77: * @exception DOMException 78: * NOT_FOUND_ERR: Raised if there is no node named <code>name</code> in 79: * this map. 80: * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly. 81: */ 82: public Node removeNamedItem(String name) 83: throws DOMException; 84: 85: /** 86: * Returns the <code>index</code>th item in the map. If <code>index</code> 87: * is greater than or equal to the number of nodes in this map, this 88: * returns <code>null</code>. 89: * @param index Index into this map. 90: * @return The node at the <code>index</code>th position in the map, or 91: * <code>null</code> if that is not a valid index. 92: */ 93: public Node item(int index); 94: 95: /** 96: * The number of nodes in this map. The range of valid child node indices 97: * is <code>0</code> to <code>length-1</code> inclusive. 98: */ 99: public int getLength(); 100: 101: /** 102: * Retrieves a node specified by local name and namespace URI. 103: * <br>Per [<a href='http://www.w3.org/TR/1999/REC-xml-names-19990114/'>XML Namespaces</a>] 104: * , applications must use the value null as the namespaceURI parameter 105: * for methods if they wish to have no namespace. 106: * @param namespaceURI The namespace URI of the node to retrieve. 107: * @param localName The local name of the node to retrieve. 108: * @return A <code>Node</code> (of any type) with the specified local 109: * name and namespace URI, or <code>null</code> if they do not 110: * identify any node in this map. 111: * @exception DOMException 112: * NOT_SUPPORTED_ERR: May be raised if the implementation does not 113: * support the feature "XML" and the language exposed through the 114: * Document does not support XML Namespaces (such as [<a href='http://www.w3.org/TR/1999/REC-html401-19991224/'>HTML 4.01</a>]). 115: * @since DOM Level 2 116: */ 117: public Node getNamedItemNS(String namespaceURI, 118: String localName) 119: throws DOMException; 120: 121: /** 122: * Adds a node using its <code>namespaceURI</code> and 123: * <code>localName</code>. If a node with that namespace URI and that 124: * local name is already present in this map, it is replaced by the new 125: * one. Replacing a node by itself has no effect. 126: * <br>Per [<a href='http://www.w3.org/TR/1999/REC-xml-names-19990114/'>XML Namespaces</a>] 127: * , applications must use the value null as the namespaceURI parameter 128: * for methods if they wish to have no namespace. 129: * @param arg A node to store in this map. The node will later be 130: * accessible using the value of its <code>namespaceURI</code> and 131: * <code>localName</code> attributes. 132: * @return If the new <code>Node</code> replaces an existing node the 133: * replaced <code>Node</code> is returned, otherwise <code>null</code> 134: * is returned. 135: * @exception DOMException 136: * WRONG_DOCUMENT_ERR: Raised if <code>arg</code> was created from a 137: * different document than the one that created this map. 138: * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly. 139: * <br>INUSE_ATTRIBUTE_ERR: Raised if <code>arg</code> is an 140: * <code>Attr</code> that is already an attribute of another 141: * <code>Element</code> object. The DOM user must explicitly clone 142: * <code>Attr</code> nodes to re-use them in other elements. 143: * <br>HIERARCHY_REQUEST_ERR: Raised if an attempt is made to add a node 144: * doesn't belong in this NamedNodeMap. Examples would include trying 145: * to insert something other than an Attr node into an Element's map 146: * of attributes, or a non-Entity node into the DocumentType's map of 147: * Entities. 148: * <br>NOT_SUPPORTED_ERR: May be raised if the implementation does not 149: * support the feature "XML" and the language exposed through the 150: * Document does not support XML Namespaces (such as [<a href='http://www.w3.org/TR/1999/REC-html401-19991224/'>HTML 4.01</a>]). 151: * @since DOM Level 2 152: */ 153: public Node setNamedItemNS(Node arg) 154: throws DOMException; 155: 156: /** 157: * Removes a node specified by local name and namespace URI. A removed 158: * attribute may be known to have a default value when this map contains 159: * the attributes attached to an element, as returned by the attributes 160: * attribute of the <code>Node</code> interface. If so, an attribute 161: * immediately appears containing the default value as well as the 162: * corresponding namespace URI, local name, and prefix when applicable. 163: * <br>Per [<a href='http://www.w3.org/TR/1999/REC-xml-names-19990114/'>XML Namespaces</a>] 164: * , applications must use the value null as the namespaceURI parameter 165: * for methods if they wish to have no namespace. 166: * @param namespaceURI The namespace URI of the node to remove. 167: * @param localName The local name of the node to remove. 168: * @return The node removed from this map if a node with such a local 169: * name and namespace URI exists. 170: * @exception DOMException 171: * NOT_FOUND_ERR: Raised if there is no node with the specified 172: * <code>namespaceURI</code> and <code>localName</code> in this map. 173: * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly. 174: * <br>NOT_SUPPORTED_ERR: May be raised if the implementation does not 175: * support the feature "XML" and the language exposed through the 176: * Document does not support XML Namespaces (such as [<a href='http://www.w3.org/TR/1999/REC-html401-19991224/'>HTML 4.01</a>]). 177: * @since DOM Level 2 178: */ 179: public Node removeNamedItemNS(String namespaceURI, 180: String localName) 181: throws DOMException; 182: 183: }
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