The NamedNodeMap.java Java example source code
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* This file is available under and governed by the GNU General Public
* License version 2 only, as published by the Free Software Foundation.
* However, the following notice accompanied the original version of this
* file and, per its terms, should not be removed:
*
* Copyright (c) 2004 World Wide Web Consortium,
*
* (Massachusetts Institute of Technology, European Research Consortium for
* Informatics and Mathematics, Keio University). All Rights Reserved. This
* work is distributed under the W3C(r) Software License [1] in the hope that
* it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
*/
package org.w3c.dom;
/**
* Objects implementing the <code>NamedNodeMap interface are used to
* represent collections of nodes that can be accessed by name. Note that
* <code>NamedNodeMap does not inherit from NodeList;
* <code>NamedNodeMaps are not maintained in any particular order.
* Objects contained in an object implementing <code>NamedNodeMap may
* also be accessed by an ordinal index, but this is simply to allow
* convenient enumeration of the contents of a <code>NamedNodeMap,
* and does not imply that the DOM specifies an order to these Nodes.
* <p>NamedNodeMap objects in the DOM are live.
* <p>See also the Document Object Model (DOM) Level 3 Core Specification.
*/
public interface NamedNodeMap {
/**
* Retrieves a node specified by name.
* @param name The <code>nodeName of a node to retrieve.
* @return A <code>Node (of any type) with the specified
* <code>nodeName, or null if it does not identify
* any node in this map.
*/
public Node getNamedItem(String name);
/**
* Adds a node using its <code>nodeName attribute. If a node with
* that name is already present in this map, it is replaced by the new
* one. Replacing a node by itself has no effect.
* <br>As the nodeName attribute is used to derive the name
* which the node must be stored under, multiple nodes of certain types
* (those that have a "special" string value) cannot be stored as the
* names would clash. This is seen as preferable to allowing nodes to be
* aliased.
* @param arg A node to store in this map. The node will later be
* accessible using the value of its <code>nodeName attribute.
* @return If the new <code>Node replaces an existing node the
* replaced <code>Node is returned, otherwise null
* is returned.
* @exception DOMException
* WRONG_DOCUMENT_ERR: Raised if <code>arg was created from a
* different document than the one that created this map.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
* <br>INUSE_ATTRIBUTE_ERR: Raised if arg is an
* <code>Attr that is already an attribute of another
* <code>Element object. The DOM user must explicitly clone
* <code>Attr nodes to re-use them in other elements.
* <br>HIERARCHY_REQUEST_ERR: Raised if an attempt is made to add a node
* doesn't belong in this NamedNodeMap. Examples would include trying
* to insert something other than an Attr node into an Element's map
* of attributes, or a non-Entity node into the DocumentType's map of
* Entities.
*/
public Node setNamedItem(Node arg)
throws DOMException;
/**
* Removes a node specified by name. When this map contains the attributes
* attached to an element, if the removed attribute is known to have a
* default value, an attribute immediately appears containing the
* default value as well as the corresponding namespace URI, local name,
* and prefix when applicable.
* @param name The <code>nodeName of the node to remove.
* @return The node removed from this map if a node with such a name
* exists.
* @exception DOMException
* NOT_FOUND_ERR: Raised if there is no node named <code>name in
* this map.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
*/
public Node removeNamedItem(String name)
throws DOMException;
/**
* Returns the <code>indexth item in the map. If index
* is greater than or equal to the number of nodes in this map, this
* returns <code>null.
* @param index Index into this map.
* @return The node at the <code>indexth position in the map, or
* <code>null if that is not a valid index.
*/
public Node item(int index);
/**
* The number of nodes in this map. The range of valid child node indices
* is <code>0 to length-1 inclusive.
*/
public int getLength();
/**
* Retrieves a node specified by local name and namespace URI.
* <br>Per [XML Namespaces]
* , applications must use the value null as the namespaceURI parameter
* for methods if they wish to have no namespace.
* @param namespaceURI The namespace URI of the node to retrieve.
* @param localName The local name of the node to retrieve.
* @return A <code>Node (of any type) with the specified local
* name and namespace URI, or <code>null if they do not
* identify any node in this map.
* @exception DOMException
* NOT_SUPPORTED_ERR: May be raised if the implementation does not
* support the feature "XML" and the language exposed through the
* Document does not support XML Namespaces (such as [<a href='http://www.w3.org/TR/1999/REC-html401-19991224/'>HTML 4.01]).
* @since DOM Level 2
*/
public Node getNamedItemNS(String namespaceURI,
String localName)
throws DOMException;
/**
* Adds a node using its <code>namespaceURI and
* <code>localName. If a node with that namespace URI and that
* local name is already present in this map, it is replaced by the new
* one. Replacing a node by itself has no effect.
* <br>Per [XML Namespaces]
* , applications must use the value null as the namespaceURI parameter
* for methods if they wish to have no namespace.
* @param arg A node to store in this map. The node will later be
* accessible using the value of its <code>namespaceURI and
* <code>localName attributes.
* @return If the new <code>Node replaces an existing node the
* replaced <code>Node is returned, otherwise null
* is returned.
* @exception DOMException
* WRONG_DOCUMENT_ERR: Raised if <code>arg was created from a
* different document than the one that created this map.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
* <br>INUSE_ATTRIBUTE_ERR: Raised if arg is an
* <code>Attr that is already an attribute of another
* <code>Element object. The DOM user must explicitly clone
* <code>Attr nodes to re-use them in other elements.
* <br>HIERARCHY_REQUEST_ERR: Raised if an attempt is made to add a node
* doesn't belong in this NamedNodeMap. Examples would include trying
* to insert something other than an Attr node into an Element's map
* of attributes, or a non-Entity node into the DocumentType's map of
* Entities.
* <br>NOT_SUPPORTED_ERR: May be raised if the implementation does not
* support the feature "XML" and the language exposed through the
* Document does not support XML Namespaces (such as [<a href='http://www.w3.org/TR/1999/REC-html401-19991224/'>HTML 4.01]).
* @since DOM Level 2
*/
public Node setNamedItemNS(Node arg)
throws DOMException;
/**
* Removes a node specified by local name and namespace URI. A removed
* attribute may be known to have a default value when this map contains
* the attributes attached to an element, as returned by the attributes
* attribute of the <code>Node interface. If so, an attribute
* immediately appears containing the default value as well as the
* corresponding namespace URI, local name, and prefix when applicable.
* <br>Per [XML Namespaces]
* , applications must use the value null as the namespaceURI parameter
* for methods if they wish to have no namespace.
* @param namespaceURI The namespace URI of the node to remove.
* @param localName The local name of the node to remove.
* @return The node removed from this map if a node with such a local
* name and namespace URI exists.
* @exception DOMException
* NOT_FOUND_ERR: Raised if there is no node with the specified
* <code>namespaceURI and localName in this map.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
* <br>NOT_SUPPORTED_ERR: May be raised if the implementation does not
* support the feature "XML" and the language exposed through the
* Document does not support XML Namespaces (such as [<a href='http://www.w3.org/TR/1999/REC-html401-19991224/'>HTML 4.01]).
* @since DOM Level 2
*/
public Node removeNamedItemNS(String namespaceURI,
String localName)
throws DOMException;
}
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