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/*
* Copyright (c) 2000 World Wide Web Consortium,
* (Massachusetts Institute of Technology, Institut National de
* Recherche en Informatique et en Automatique, Keio University). All
* Rights Reserved. This program is distributed under the W3C's Software
* Intellectual Property License. This program is distributed 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.
* See W3C License http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.dom;
/**
* Objects implementing the <code>NamedNodeMap</code> interface are used to
* represent collections of nodes that can be accessed by name. Note that
* <code>NamedNodeMap</code> does not inherit from <code>NodeList</code>;
* <code>NamedNodeMaps</code> are not maintained in any particular order.
* Objects contained in an object implementing <code>NamedNodeMap</code> may
* also be accessed by an ordinal index, but this is simply to allow
* convenient enumeration of the contents of a <code>NamedNodeMap</code>,
* and does not imply that the DOM specifies an order to these Nodes.
* <p><code>NamedNodeMap</code> objects in the DOM are live.
* <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113'>Document Object Model (DOM) Level 2 Core Specification</a>.
*/
public interface NamedNodeMap {
/**
* Retrieves a node specified by name.
* @param nameThe <code>nodeName</code> of a node to retrieve.
* @return A <code>Node</code> (of any type) with the specified
* <code>nodeName</code>, or <code>null</code> if it does not identify
* any node in this map.
*/
public Node getNamedItem(String name);
/**
* Adds a node using its <code>nodeName</code> attribute. If a node with
* that name is already present in this map, it is replaced by the new
* one.
* <br>As the <code>nodeName</code> 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 argA node to store in this map. The node will later be
* accessible using the value of its <code>nodeName</code> attribute.
* @return If the new <code>Node</code> replaces an existing node the
* replaced <code>Node</code> is returned, otherwise <code>null</code>
* is returned.
* @exception DOMException
* WRONG_DOCUMENT_ERR: Raised if <code>arg</code> 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 <code>arg</code> is an
* <code>Attr</code> that is already an attribute of another
* <code>Element</code> object. The DOM user must explicitly clone
* <code>Attr</code> nodes to re-use them in other elements.
*/
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 nameThe <code>nodeName</code> 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</code> in
* this map.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
*/
public Node removeNamedItem(String name)
throws DOMException;
/**
* Returns the <code>index</code>th item in the map. If <code>index</code>
* is greater than or equal to the number of nodes in this map, this
* returns <code>null</code>.
* @param indexIndex into this map.
* @return The node at the <code>index</code>th position in the map, or
* <code>null</code> 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</code> to <code>length-1</code> inclusive.
*/
public int getLength();
/**
* Retrieves a node specified by local name and namespace URI. HTML-only
* DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the node to retrieve.
* @param localNameThe local name of the node to retrieve.
* @return A <code>Node</code> (of any type) with the specified local
* name and namespace URI, or <code>null</code> if they do not
* identify any node in this map.
* @since DOM Level 2
*/
public Node getNamedItemNS(String namespaceURI,
String localName);
/**
* Adds a node using its <code>namespaceURI</code> and
* <code>localName</code>. If a node with that namespace URI and that
* local name is already present in this map, it is replaced by the new
* one.
* <br>HTML-only DOM implementations do not need to implement this method.
* @param argA node to store in this map. The node will later be
* accessible using the value of its <code>namespaceURI</code> and
* <code>localName</code> attributes.
* @return If the new <code>Node</code> replaces an existing node the
* replaced <code>Node</code> is returned, otherwise <code>null</code>
* is returned.
* @exception DOMException
* WRONG_DOCUMENT_ERR: Raised if <code>arg</code> 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 <code>arg</code> is an
* <code>Attr</code> that is already an attribute of another
* <code>Element</code> object. The DOM user must explicitly clone
* <code>Attr</code> nodes to re-use them in other elements.
* @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</code> 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>HTML-only DOM implementations do not need to implement this method.
* @param namespaceURIThe namespace URI of the node to remove.
* @param localNameThe 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</code> and <code>localName</code> in this map.
* <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
* @since DOM Level 2
*/
public Node removeNamedItemNS(String namespaceURI,
String localName)
throws DOMException;
}
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