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; 018 019import org.apache.wicket.markup.head.IHeaderResponse; 020 021/** 022 * Setting an IHeaderResponseDecorator on an application allows you to wrap any {@link IHeaderResponse} 023 * created by Wicket in a separate implementation that adds functionality to it when used by all 024 * {@link IHeaderContributor} components or behaviors. 025 * <p> 026 * Everywhere that Wicket creates an instance of IHeaderResponse, it will call to your application 027 * and give it the opportunity to decorate that IHeaderResponse before using it. 028 * 029 * @see IHeaderResponse 030 * @see DecoratingHeaderResponse 031 * @author Jeremy Thomerson 032 */ 033public interface IHeaderResponseDecorator 034{ 035 036 /** 037 * The method that does the decorating of the IHeaderResponse. 038 * 039 * @param response 040 * the original response created by Wicket 041 * @return the response to be used by IHeaderContributors 042 */ 043 IHeaderResponse decorate(IHeaderResponse response); 044}