PreRenderViewComponentBase.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright (c) 1997-2014 Oracle and/or its affiliates. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 * 
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 * 
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 * 
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package com.sun.faces.test.servlet30.composite;

import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.faces.component.UINamingContainer;

public abstract class PreRenderViewComponentBase extends UINamingContainer {

    private Map<String, Object> localAttrs;

    @Override
    public Map<String, Object> getAttributes() {
        if (null == localAttrs) {
            localAttrs = new MapWrapper(super.getAttributes());
        }
        return localAttrs;
    }

    public class MapWrapper implements Map<String, Object> {

        private Map<String, Object> parent;

        public MapWrapper(Map<String, Object> parent) {
            this.parent = parent;
        }

        @Override
        public void clear() {
            parent.clear();
        }

        @Override
        public boolean containsKey(Object key) {
            return parent.containsKey(key);
        }

        @Override
        public boolean containsValue(Object value) {
            return parent.containsValue(value);
        }

        @Override
        public Set<Entry<String, Object>> entrySet() {
            return parent.entrySet();
        }

        @Override
        public Object get(Object key) {
            return parent.get(key);
        }

        @Override
        public boolean isEmpty() {
            return parent.isEmpty();
        }

        @Override
        public Set<String> keySet() {
            return parent.keySet();
        }

        @Override
        public Object put(String key, Object value) {
            return parent.put(key, value);
        }

        @Override
        public void putAll(Map<? extends String, ? extends Object> m) {
            parent.putAll(m);
        }

        @Override
        public Object remove(Object key) {
            return parent.remove(key);
        }

        @Override
        public int size() {
            return parent.size();
        }

        @Override
        public Collection<Object> values() {
            return parent.values();
        }
    }
}