001// Copyright 2012 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry5.internal.services.assets; 016 017import org.apache.tapestry5.ioc.Resource; 018import org.apache.tapestry5.services.assets.ResourceDependencies; 019import org.apache.tapestry5.services.assets.StreamableResource; 020import org.apache.tapestry5.services.assets.StreamableResourceProcessing; 021import org.apache.tapestry5.services.assets.StreamableResourceSource; 022 023import java.io.IOException; 024import java.util.Set; 025 026/** 027 * Base class for {@link StreamableResourceSource} implementations. 028 * 029 * @since 5.4 030 */ 031public abstract class DelegatingSRS implements StreamableResourceSource 032{ 033 protected final StreamableResourceSource delegate; 034 035 protected DelegatingSRS(StreamableResourceSource delegate) 036 { 037 this.delegate = delegate; 038 } 039 040 public Set<String> fileExtensionsForContentType(String contentType) 041 { 042 return delegate.fileExtensionsForContentType(contentType); 043 } 044 045 public StreamableResource getStreamableResource(Resource baseResource, StreamableResourceProcessing processing, ResourceDependencies dependencies) throws IOException 046 { 047 return delegate.getStreamableResource(baseResource, processing, dependencies); 048 } 049}