12005
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/*
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* reserved comment block
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* DO NOT REMOVE OR ALTER!
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*/
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/*
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* Copyright 2000-2002,2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.sun.org.apache.xerces.internal.dom;
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import java.util.ArrayList;
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import java.util.List;
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import org.w3c.dom.DOMException;
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import org.w3c.dom.Node;
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/**
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* AttributeMap inherits from NamedNodeMapImpl and extends it to deal with the
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* specifics of storing attributes. These are:
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* <ul>
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* <li>managing ownership of attribute nodes
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* <li>managing default attributes
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* <li>firing mutation events
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* </ul>
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* <p>
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* This class doesn't directly support mutation events, however, it notifies
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* the document when mutations are performed so that the document class do so.
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*
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* @xerces.internal
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*
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*/
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public class AttributeMap extends NamedNodeMapImpl {
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/** Serialization version. */
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static final long serialVersionUID = 8872606282138665383L;
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//
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// Constructors
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//
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/** Constructs a named node map. */
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protected AttributeMap(ElementImpl ownerNode, NamedNodeMapImpl defaults) {
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super(ownerNode);
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if (defaults != null) {
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// initialize map with the defaults
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cloneContent(defaults);
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if (nodes != null) {
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hasDefaults(true);
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}
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}
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}
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/**
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* Adds an attribute using its nodeName attribute.
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* @see org.w3c.dom.NamedNodeMap#setNamedItem
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* @return If the new Node replaces an existing node the replaced Node is
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* returned, otherwise null is returned.
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* @param arg
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* An Attr node to store in this map.
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* @exception org.w3c.dom.DOMException The exception description.
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*/
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public Node setNamedItem(Node arg)
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throws DOMException {
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boolean errCheck = ownerNode.ownerDocument().errorChecking;
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if (errCheck) {
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if (isReadOnly()) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NO_MODIFICATION_ALLOWED_ERR", null);
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throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, msg);
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}
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if (arg.getOwnerDocument() != ownerNode.ownerDocument()) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "WRONG_DOCUMENT_ERR", null);
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throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, msg);
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}
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if (arg.getNodeType() != Node.ATTRIBUTE_NODE) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "HIERARCHY_REQUEST_ERR", null);
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throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, msg);
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}
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}
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AttrImpl argn = (AttrImpl)arg;
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if (argn.isOwned()){
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if (errCheck && argn.getOwnerElement() != ownerNode) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INUSE_ATTRIBUTE_ERR", null);
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throw new DOMException(DOMException.INUSE_ATTRIBUTE_ERR, msg);
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}
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// replacing an Attribute with itself does nothing
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return arg;
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}
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// set owner
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argn.ownerNode = ownerNode;
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argn.isOwned(true);
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int i = findNamePoint(argn.getNodeName(),0);
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AttrImpl previous = null;
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if (i >= 0) {
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previous = (AttrImpl) nodes.get(i);
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nodes.set(i, arg);
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previous.ownerNode = ownerNode.ownerDocument();
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previous.isOwned(false);
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// make sure it won't be mistaken with defaults in case it's reused
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previous.isSpecified(true);
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} else {
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i = -1 - i; // Insert point (may be end of list)
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if (null == nodes) {
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nodes = new ArrayList(5);
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}
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nodes.add(i, arg);
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}
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// notify document
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ownerNode.ownerDocument().setAttrNode(argn, previous);
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// If the new attribute is not normalized,
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// the owning element is inherently not normalized.
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if (!argn.isNormalized()) {
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ownerNode.isNormalized(false);
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}
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return previous;
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} // setNamedItem(Node):Node
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/**
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* Adds an attribute using its namespaceURI and localName.
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* @see org.w3c.dom.NamedNodeMap#setNamedItem
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* @return If the new Node replaces an existing node the replaced Node is
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* returned, otherwise null is returned.
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* @param arg A node to store in a named node map.
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*/
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public Node setNamedItemNS(Node arg)
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throws DOMException {
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boolean errCheck = ownerNode.ownerDocument().errorChecking;
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if (errCheck) {
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if (isReadOnly()) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NO_MODIFICATION_ALLOWED_ERR", null);
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throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, msg);
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}
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if(arg.getOwnerDocument() != ownerNode.ownerDocument()) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "WRONG_DOCUMENT_ERR", null);
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throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, msg);
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}
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if (arg.getNodeType() != Node.ATTRIBUTE_NODE) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "HIERARCHY_REQUEST_ERR", null);
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throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, msg);
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}
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}
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AttrImpl argn = (AttrImpl)arg;
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if (argn.isOwned()){
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if (errCheck && argn.getOwnerElement() != ownerNode) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "INUSE_ATTRIBUTE_ERR", null);
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throw new DOMException(DOMException.INUSE_ATTRIBUTE_ERR, msg);
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}
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// replacing an Attribute with itself does nothing
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return arg;
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}
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// set owner
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argn.ownerNode = ownerNode;
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argn.isOwned(true);
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int i = findNamePoint(argn.getNamespaceURI(), argn.getLocalName());
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AttrImpl previous = null;
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if (i >= 0) {
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previous = (AttrImpl) nodes.get(i);
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nodes.set(i, arg);
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previous.ownerNode = ownerNode.ownerDocument();
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previous.isOwned(false);
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// make sure it won't be mistaken with defaults in case it's reused
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previous.isSpecified(true);
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} else {
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// If we can't find by namespaceURI, localName, then we find by
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// nodeName so we know where to insert.
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i = findNamePoint(arg.getNodeName(),0);
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if (i >=0) {
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previous = (AttrImpl) nodes.get(i);
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nodes.add(i, arg);
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} else {
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i = -1 - i; // Insert point (may be end of list)
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if (null == nodes) {
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nodes = new ArrayList(5);
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}
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nodes.add(i, arg);
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}
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}
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// changed(true);
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// notify document
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ownerNode.ownerDocument().setAttrNode(argn, previous);
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// If the new attribute is not normalized,
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// the owning element is inherently not normalized.
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if (!argn.isNormalized()) {
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ownerNode.isNormalized(false);
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}
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return previous;
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} // setNamedItemNS(Node):Node
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/**
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* Removes an attribute specified by name.
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* @param name
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* The name of a node to remove. If the
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* removed attribute is known to have a default value, an
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* attribute immediately appears containing the default value
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* as well as the corresponding namespace URI, local name,
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* and prefix when applicable.
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* @return The node removed from the map if a node with such a name exists.
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* @throws NOT_FOUND_ERR: Raised if there is no node named
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* name in the map.
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*/
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/***/
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public Node removeNamedItem(String name)
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throws DOMException {
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return internalRemoveNamedItem(name, true);
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}
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/**
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* Same as removeNamedItem except that it simply returns null if the
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* specified name is not found.
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*/
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Node safeRemoveNamedItem(String name) {
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return internalRemoveNamedItem(name, false);
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}
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/**
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* NON-DOM: Remove the node object
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*
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* NOTE: Specifically removes THIS NODE -- not the node with this
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* name, nor the node with these contents. If node does not belong to
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* this named node map, we throw a DOMException.
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*
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* @param item The node to remove
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* @param addDefault true -- magically add default attribute
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* @return Removed node
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* @exception DOMException
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*/
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protected Node removeItem(Node item, boolean addDefault)
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throws DOMException {
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int index = -1;
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if (nodes != null) {
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final int size = nodes.size();
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for (int i = 0; i < size; ++i) {
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if (nodes.get(i) == item) {
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index = i;
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break;
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}
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}
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}
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if (index < 0) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NOT_FOUND_ERR", null);
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throw new DOMException(DOMException.NOT_FOUND_ERR, msg);
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}
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return remove((AttrImpl)item, index, addDefault);
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}
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/**
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* Internal removeNamedItem method allowing to specify whether an exception
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* must be thrown if the specified name is not found.
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*/
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final protected Node internalRemoveNamedItem(String name, boolean raiseEx){
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if (isReadOnly()) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NO_MODIFICATION_ALLOWED_ERR", null);
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throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, msg);
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}
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int i = findNamePoint(name,0);
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if (i < 0) {
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if (raiseEx) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NOT_FOUND_ERR", null);
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throw new DOMException(DOMException.NOT_FOUND_ERR, msg);
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} else {
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return null;
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}
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}
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return remove((AttrImpl)nodes.get(i), i, true);
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} // internalRemoveNamedItem(String,boolean):Node
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private final Node remove(AttrImpl attr, int index,
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boolean addDefault) {
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CoreDocumentImpl ownerDocument = ownerNode.ownerDocument();
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String name = attr.getNodeName();
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if (attr.isIdAttribute()) {
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ownerDocument.removeIdentifier(attr.getValue());
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}
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if (hasDefaults() && addDefault) {
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// If there's a default, add it instead
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NamedNodeMapImpl defaults =
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((ElementImpl) ownerNode).getDefaultAttributes();
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Node d;
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if (defaults != null &&
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(d = defaults.getNamedItem(name)) != null &&
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findNamePoint(name, index+1) < 0) {
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NodeImpl clone = (NodeImpl)d.cloneNode(true);
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if (d.getLocalName() !=null){
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// we must rely on the name to find a default attribute
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// ("test:attr"), but while copying it from the DOCTYPE
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// we should not loose namespace URI that was assigned
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// to the attribute in the instance document.
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((AttrNSImpl)clone).namespaceURI = attr.getNamespaceURI();
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}
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clone.ownerNode = ownerNode;
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clone.isOwned(true);
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clone.isSpecified(false);
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nodes.set(index, clone);
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if (attr.isIdAttribute()) {
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ownerDocument.putIdentifier(clone.getNodeValue(),
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(ElementImpl)ownerNode);
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}
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} else {
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nodes.remove(index);
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}
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} else {
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nodes.remove(index);
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}
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// changed(true);
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// remove reference to owner
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attr.ownerNode = ownerDocument;
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attr.isOwned(false);
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// make sure it won't be mistaken with defaults in case it's
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// reused
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attr.isSpecified(true);
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attr.isIdAttribute(false);
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// notify document
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ownerDocument.removedAttrNode(attr, ownerNode, name);
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return attr;
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}
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/**
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* Introduced in DOM Level 2. <p>
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* Removes an attribute specified by local name and namespace URI.
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* @param namespaceURI
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* The namespace URI of the node to remove.
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* When it is null or an empty string, this
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* method behaves like removeNamedItem.
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* @param name The local name of the node to remove. If the
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* removed attribute is known to have a default
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* value, an attribute immediately appears
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* containing the default value.
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* @return Node The node removed from the map if a node with such
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* a local name and namespace URI exists.
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* @throws NOT_FOUND_ERR: Raised if there is no node named
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* name in the map.
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*/
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public Node removeNamedItemNS(String namespaceURI, String name)
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throws DOMException {
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return internalRemoveNamedItemNS(namespaceURI, name, true);
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}
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/**
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* Same as removeNamedItem except that it simply returns null if the
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* specified local name and namespace URI is not found.
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*/
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Node safeRemoveNamedItemNS(String namespaceURI, String name) {
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return internalRemoveNamedItemNS(namespaceURI, name, false);
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}
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/**
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* Internal removeNamedItemNS method allowing to specify whether an
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* exception must be thrown if the specified local name and namespace URI
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* is not found.
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*/
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final protected Node internalRemoveNamedItemNS(String namespaceURI,
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String name,
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boolean raiseEx) {
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CoreDocumentImpl ownerDocument = ownerNode.ownerDocument();
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if (ownerDocument.errorChecking && isReadOnly()) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NO_MODIFICATION_ALLOWED_ERR", null);
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throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, msg);
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}
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int i = findNamePoint(namespaceURI, name);
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if (i < 0) {
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if (raiseEx) {
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String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NOT_FOUND_ERR", null);
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throw new DOMException(DOMException.NOT_FOUND_ERR, msg);
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} else {
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return null;
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}
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}
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AttrImpl n = (AttrImpl)nodes.get(i);
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if (n.isIdAttribute()) {
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ownerDocument.removeIdentifier(n.getValue());
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}
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// If there's a default, add it instead
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String nodeName = n.getNodeName();
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if (hasDefaults()) {
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|
418 |
NamedNodeMapImpl defaults = ((ElementImpl) ownerNode).getDefaultAttributes();
|
|
419 |
Node d;
|
|
420 |
if (defaults != null
|
|
421 |
&& (d = defaults.getNamedItem(nodeName)) != null)
|
|
422 |
{
|
|
423 |
int j = findNamePoint(nodeName,0);
|
|
424 |
if (j>=0 && findNamePoint(nodeName, j+1) < 0) {
|
|
425 |
NodeImpl clone = (NodeImpl)d.cloneNode(true);
|
|
426 |
clone.ownerNode = ownerNode;
|
|
427 |
if (d.getLocalName() != null) {
|
|
428 |
// we must rely on the name to find a default attribute
|
|
429 |
// ("test:attr"), but while copying it from the DOCTYPE
|
|
430 |
// we should not loose namespace URI that was assigned
|
|
431 |
// to the attribute in the instance document.
|
|
432 |
((AttrNSImpl)clone).namespaceURI = namespaceURI;
|
|
433 |
}
|
|
434 |
clone.isOwned(true);
|
|
435 |
clone.isSpecified(false);
|
|
436 |
nodes.set(i, clone);
|
|
437 |
if (clone.isIdAttribute()) {
|
|
438 |
ownerDocument.putIdentifier(clone.getNodeValue(),
|
|
439 |
(ElementImpl)ownerNode);
|
|
440 |
}
|
|
441 |
} else {
|
|
442 |
nodes.remove(i);
|
|
443 |
}
|
|
444 |
} else {
|
|
445 |
nodes.remove(i);
|
|
446 |
}
|
|
447 |
} else {
|
|
448 |
nodes.remove(i);
|
|
449 |
}
|
|
450 |
|
|
451 |
// changed(true);
|
|
452 |
|
|
453 |
// remove reference to owner
|
|
454 |
n.ownerNode = ownerDocument;
|
|
455 |
n.isOwned(false);
|
|
456 |
// make sure it won't be mistaken with defaults in case it's
|
|
457 |
// reused
|
|
458 |
n.isSpecified(true);
|
|
459 |
// update id table if needed
|
|
460 |
n.isIdAttribute(false);
|
|
461 |
|
|
462 |
// notify document
|
|
463 |
ownerDocument.removedAttrNode(n, ownerNode, name);
|
|
464 |
|
|
465 |
return n;
|
|
466 |
|
|
467 |
} // internalRemoveNamedItemNS(String,String,boolean):Node
|
|
468 |
|
|
469 |
//
|
|
470 |
// Public methods
|
|
471 |
//
|
|
472 |
|
|
473 |
/**
|
|
474 |
* Cloning a NamedNodeMap is a DEEP OPERATION; it always clones
|
|
475 |
* all the nodes contained in the map.
|
|
476 |
*/
|
|
477 |
|
|
478 |
public NamedNodeMapImpl cloneMap(NodeImpl ownerNode) {
|
|
479 |
AttributeMap newmap =
|
|
480 |
new AttributeMap((ElementImpl) ownerNode, null);
|
|
481 |
newmap.hasDefaults(hasDefaults());
|
|
482 |
newmap.cloneContent(this);
|
|
483 |
return newmap;
|
|
484 |
} // cloneMap():AttributeMap
|
|
485 |
|
|
486 |
/**
|
|
487 |
* Override parent's method to set the ownerNode correctly
|
|
488 |
*/
|
|
489 |
protected void cloneContent(NamedNodeMapImpl srcmap) {
|
|
490 |
List srcnodes = srcmap.nodes;
|
|
491 |
if (srcnodes != null) {
|
|
492 |
int size = srcnodes.size();
|
|
493 |
if (size != 0) {
|
|
494 |
if (nodes == null) {
|
|
495 |
nodes = new ArrayList(size);
|
|
496 |
}
|
|
497 |
else {
|
|
498 |
nodes.clear();
|
|
499 |
}
|
|
500 |
for (int i = 0; i < size; ++i) {
|
|
501 |
NodeImpl n = (NodeImpl) srcnodes.get(i);
|
|
502 |
NodeImpl clone = (NodeImpl) n.cloneNode(true);
|
|
503 |
clone.isSpecified(n.isSpecified());
|
|
504 |
nodes.add(clone);
|
|
505 |
clone.ownerNode = ownerNode;
|
|
506 |
clone.isOwned(true);
|
|
507 |
}
|
|
508 |
}
|
|
509 |
}
|
|
510 |
} // cloneContent():AttributeMap
|
|
511 |
|
|
512 |
|
|
513 |
/**
|
|
514 |
* Move specified attributes from the given map to this one
|
|
515 |
*/
|
|
516 |
void moveSpecifiedAttributes(AttributeMap srcmap) {
|
|
517 |
int nsize = (srcmap.nodes != null) ? srcmap.nodes.size() : 0;
|
|
518 |
for (int i = nsize - 1; i >= 0; i--) {
|
|
519 |
AttrImpl attr = (AttrImpl) srcmap.nodes.get(i);
|
|
520 |
if (attr.isSpecified()) {
|
|
521 |
srcmap.remove(attr, i, false);
|
|
522 |
if (attr.getLocalName() != null) {
|
|
523 |
setNamedItem(attr);
|
|
524 |
}
|
|
525 |
else {
|
|
526 |
setNamedItemNS(attr);
|
|
527 |
}
|
|
528 |
}
|
|
529 |
}
|
|
530 |
} // moveSpecifiedAttributes(AttributeMap):void
|
|
531 |
|
|
532 |
|
|
533 |
/**
|
|
534 |
* Get this AttributeMap in sync with the given "defaults" map.
|
|
535 |
* @param defaults The default attributes map to sync with.
|
|
536 |
*/
|
|
537 |
protected void reconcileDefaults(NamedNodeMapImpl defaults) {
|
|
538 |
|
|
539 |
// remove any existing default
|
|
540 |
int nsize = (nodes != null) ? nodes.size() : 0;
|
|
541 |
for (int i = nsize - 1; i >= 0; --i) {
|
|
542 |
AttrImpl attr = (AttrImpl) nodes.get(i);
|
|
543 |
if (!attr.isSpecified()) {
|
|
544 |
remove(attr, i, false);
|
|
545 |
}
|
|
546 |
}
|
|
547 |
// add the new defaults
|
|
548 |
if (defaults == null) {
|
|
549 |
return;
|
|
550 |
}
|
|
551 |
if (nodes == null || nodes.size() == 0) {
|
|
552 |
cloneContent(defaults);
|
|
553 |
}
|
|
554 |
else {
|
|
555 |
int dsize = defaults.nodes.size();
|
|
556 |
for (int n = 0; n < dsize; ++n) {
|
|
557 |
AttrImpl d = (AttrImpl) defaults.nodes.get(n);
|
|
558 |
int i = findNamePoint(d.getNodeName(), 0);
|
|
559 |
if (i < 0) {
|
|
560 |
i = -1 - i;
|
|
561 |
NodeImpl clone = (NodeImpl) d.cloneNode(true);
|
|
562 |
clone.ownerNode = ownerNode;
|
|
563 |
clone.isOwned(true);
|
|
564 |
clone.isSpecified(false);
|
|
565 |
nodes.add(i, clone);
|
|
566 |
}
|
|
567 |
}
|
|
568 |
}
|
|
569 |
|
|
570 |
} // reconcileDefaults()
|
|
571 |
|
|
572 |
protected final int addItem (Node arg) {
|
|
573 |
|
|
574 |
final AttrImpl argn = (AttrImpl) arg;
|
|
575 |
|
|
576 |
// set owner
|
|
577 |
argn.ownerNode = ownerNode;
|
|
578 |
argn.isOwned(true);
|
|
579 |
|
|
580 |
int i = findNamePoint(argn.getNamespaceURI(), argn.getLocalName());
|
|
581 |
if (i >= 0) {
|
|
582 |
nodes.set(i, arg);
|
|
583 |
}
|
|
584 |
else {
|
|
585 |
// If we can't find by namespaceURI, localName, then we find by
|
|
586 |
// nodeName so we know where to insert.
|
|
587 |
i = findNamePoint(argn.getNodeName(),0);
|
|
588 |
if (i >= 0) {
|
|
589 |
nodes.add(i, arg);
|
|
590 |
}
|
|
591 |
else {
|
|
592 |
i = -1 - i; // Insert point (may be end of list)
|
|
593 |
if (null == nodes) {
|
|
594 |
nodes = new ArrayList(5);
|
|
595 |
}
|
|
596 |
nodes.add(i, arg);
|
|
597 |
}
|
|
598 |
}
|
|
599 |
|
|
600 |
// notify document
|
|
601 |
ownerNode.ownerDocument().setAttrNode(argn, null);
|
|
602 |
return i;
|
|
603 |
}
|
|
604 |
|
|
605 |
} // class AttributeMap
|