    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}