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/*
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* JBind
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*
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* Copyright (c) by Stefan Wachter. All rights reserved.
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*
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* Usage, modification, and redistribution is subject to license terms that are
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* available at 'http://www.jbind.org'. The JBind license is like the
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* 'Apache Software License V 1.1'.
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*/
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package org.jbind.xml.dom3.core;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import org.jbind.xml.dom3.types.IDomDocument;
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import org.jbind.xml.dom3.types.IDomNamedNodeMap;
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import org.jbind.xml.dom3.types.IDomNode;
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import org.w3c.dom.Node;
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public class DomNamedNodeMap extends DomObject implements IDomNamedNodeMap {
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private List myList = null;
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private Map myMap = new HashMap();
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public DomNamedNodeMap(IDomDocument aDomDocument) {
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super(aDomDocument);
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}
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public DomNamedNodeMap(IDomNamedNodeMap aMap, boolean aDeep) {
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super(aMap, aDeep);
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for (Iterator i = iterNodes(); i.hasNext(); ) {
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IDomNode n = (IDomNode)i.next();
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if (aDeep) {
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setNamedItem(n.cloneNode(aDeep));
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} else {
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setNamedItem(n);
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}
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}
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}
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public int getLength() {
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doSetDefaults();
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return myMap.size();
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}
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public Node getNamedItem(String aName) {
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return getNamedItemNS(null, aName);
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}
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public Node getNamedItemNS(String aNamespaceUri, String aLocalName) {
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Object key = DomUtil.createKey(aNamespaceUri, aLocalName);
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Node res = (Node)myMap.get(key);
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if (null == res) {
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res = doGetDefault(aNamespaceUri, aLocalName);
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}
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return res;
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}
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private List getList() {
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if (null == myList) {
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doSetDefaults();
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myList = new ArrayList();
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myList.addAll(myMap.values());
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}
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return myList;
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}
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public Node item(int anIndex) {
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Node res = null;
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List l = getList();
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if ((anIndex >= 0) && (anIndex < l.size())) {
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res = (Node)l.get(anIndex);
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}
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return res;
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}
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public Node removeNamedItem(String aName) throws DomException {
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return removeNamedItemNS(null, aName);
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}
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public Node removeNamedItemNS(String aNamespaceUri, String aName) throws DomException {
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Object key = DomUtil.createKey(aNamespaceUri, aName);
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return remove(key);
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}
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public void removeNode(Node aNode) throws DomException {
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Object key = DomUtil.createKey(aNode);
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remove(key);
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}
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private Node remove(Object aKey) {
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Node res = (Node)myMap.get(aKey);
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if (null != res) {
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myMap.remove(aKey);
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myList = null;
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}
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return res;
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}
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public Node setNamedItem(Node aNode) throws DomException {
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checkMutability();
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checkOwnerDocument((IDomNode)aNode);
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myList = null;
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Object key = DomUtil.createKey(aNode);
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IDomNode res = (IDomNode)myMap.put(key, aNode);
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doAfterSet(aNode);
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return res;
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}
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public Node setNamedItemNS(Node aNode) throws DomException {
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return setNamedItem(aNode);
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}
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public Iterator iterNodes() {
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doSetDefaults();
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return myMap.values().iterator();
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}
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protected void doAfterSet(Node aNode) {}
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protected void doSetDefaults() {}
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/**
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* Gets a default value.
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*
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* @param aNamespace <i>(optional)</i>.
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* @param aName <i>(required)</i>.
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* @return <i>(optional)</i>.
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*/
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protected Node doGetDefault(String aNamespace, String aName) {
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return null;
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}
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}
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