001// Copyright 2011 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.services.assets; 016 017import org.apache.tapestry5.ioc.Resource; 018import org.apache.tapestry5.ioc.annotations.UsesMappedConfiguration; 019import org.apache.tapestry5.services.Context; 020 021/** 022 * Used to determine the MIME content type for a resource. The service configuration is the first step, 023 * followed by {@link Context#getMimeType(String)}, and then (finally) "application/octet-stream" 024 * as a stop-gap. 025 * <p> 026 * The service configuration maps the file extension (e.g., "png") to its corresponding MIME type (e.g., "image/png"); 027 */ 028@UsesMappedConfiguration(String.class) 029public interface ContentTypeAnalyzer 030{ 031 /** 032 * Analyze the resource to determine its content type. 033 * 034 * @param resource 035 * to analyze 036 * @return a MIME content type 037 */ 038 String getContentType(Resource resource); 039}