001// Copyright 2010, 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; 016 017/** 018 * Encapsulates the logic or creating the path portion of an asset URL, including 019 * the application version. 020 * 021 * @since 5.2.0 022 */ 023public interface AssetPathConstructor 024{ 025 /** 026 * Constructs an asset URL path from the virtual folder and path (within the virtual folder). 027 * 028 * @param virtualFolder 029 * corresponds to a {@link AssetRequestHandler} contributed to the AssetDispatcher service 030 * @param path 031 * within the virtual folder (should <em>not</em> start with a slash) 032 * @return path portion of asset URL, including the context path, the /assets/ virtual folder, the application 033 * version number, 034 * the virtual folder, and the path extension 035 */ 036 String constructAssetPath(String virtualFolder, String path); 037}