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.request.resource.caching; 018 019import org.apache.wicket.request.resource.AbstractResource; 020 021/** 022 * resource caching strategy that does nothing at all 023 * <p/> 024 * when using this strategy caching of resources will effectively be disabled 025 * 026 * @author Peter Ertl 027 * 028 * @since 1.5 029 */ 030public class NoOpResourceCachingStrategy implements IResourceCachingStrategy 031{ 032 /** 033 * Global instance of {@link NoOpResourceCachingStrategy} strategy 034 */ 035 public static final IResourceCachingStrategy INSTANCE = new NoOpResourceCachingStrategy(); 036 037 @Override 038 public void decorateUrl(ResourceUrl url, IStaticCacheableResource resource) 039 { 040 } 041 042 @Override 043 public void undecorateUrl(ResourceUrl url) 044 { 045 } 046 047 @Override 048 public void decorateResponse(AbstractResource.ResourceResponse response, IStaticCacheableResource resource) 049 { 050 } 051 052 @Override 053 public void clearCache() 054 { 055 } 056 057}