Struts example source code file (ProxyNamedNodeMap.java)

This example Struts source code file (ProxyNamedNodeMap.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

adapterfactory, adapternode, dom, domexception, domexception, namednodemap, namednodemap, node, node, proxynamednodemap, string, unsupportedoperationexception, unsupportedoperationexception

The Struts ProxyNamedNodeMap.java source code

/*
 * $Id: ProxyNamedNodeMap.java 651946 2008-04-27 13:41:38Z apetrelli $
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.struts2.views.xslt;

import org.w3c.dom.DOMException;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

/**
 * A NamedNodeMap that wraps the Nodes returned in their proxies.
 *
 * Note: Since maps have no guaranteed order we don't need to worry about identity
 * here as we do with "child" adapters.  In that case we need to preserve identity
 * in order to support finding the next/previous siblings.
 */
public class ProxyNamedNodeMap implements NamedNodeMap {

    private NamedNodeMap nodes;
    private AdapterFactory adapterFactory;
    private AdapterNode parent;

    public ProxyNamedNodeMap(AdapterFactory factory, AdapterNode parent, NamedNodeMap nodes) {
        this.nodes = nodes;
        this.adapterFactory = factory;
        this.parent = parent;
    }

    protected Node wrap(Node node) {
        return adapterFactory.proxyNode(parent, node);
    }

    public int getLength() {
        return nodes.getLength();
    }

    public Node item(int index) {
        return wrap(nodes.item(index));
    }

    public Node getNamedItem(String name) {
        return wrap(nodes.getNamedItem(name));
    }

    public Node removeNamedItem(String name) throws DOMException {
        throw new UnsupportedOperationException();
    }

    public Node setNamedItem(Node arg) throws DOMException {
        throw new UnsupportedOperationException();
    }

    public Node setNamedItemNS(Node arg) throws DOMException {
        throw new UnsupportedOperationException();
    }

    public Node getNamedItemNS(String namespaceURI, String localName) {
        return wrap(nodes.getNamedItemNS(namespaceURI, localName));
    }

    public Node removeNamedItemNS(String namespaceURI, String localName) throws DOMException {
        throw new UnsupportedOperationException();
    }
}