001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.markup.html.internal;
018
019import org.apache.wicket.request.Response;
020
021/**
022 * A specialization of HtmlHeaderContainer that doesn't render
023 * <head> and &l;/head> around the header contributions.
024 *
025 * This container is used when there is a usage of <wicket:header-items/>
026 * in the page's <head> element.
027 */
028public class HtmlHeaderItemsContainer extends HtmlHeaderContainer
029{
030        private static final long serialVersionUID = 1L;
031
032        /**
033         * Constructor
034         *
035         * @param id
036         *          The component id
037         */
038        public HtmlHeaderItemsContainer(String id)
039        {
040                super(id);
041        }
042
043        @Override
044        protected void onAfterRender() {
045                super.onAfterRender();
046                final Response webResponse = getResponse();
047                webResponse.write("<meta name=\"wicket.header.items\"/>");
048        }
049
050        @Override
051        protected boolean renderOpenAndCloseTags()
052        {
053                return false;
054        }
055}