001// Copyright 2006, 2007, 2008 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; 016 017import org.apache.tapestry5.Asset; 018import org.apache.tapestry5.ioc.Resource; 019 020/** 021 * Used by {@link AssetSource} to create new {@link Asset}s as needed. 022 * 023 * @see org.apache.tapestry5.services.AssetSource 024 */ 025public interface AssetFactory 026{ 027 /** 028 * Returns the Resource representing the root folder of the domain this factory is responsible for. 029 */ 030 Resource getRootResource(); 031 032 /** 033 * Creates an instance of an asset. Starting with 5.1.0.0, it is preferred (but not required) that the factory 034 * return an instance of {@link org.apache.tapestry5.Asset2}. 035 * 036 * @param resource a resource within this factories domain (derived from the {@linkplain #getRootResource() root 037 * resource}) 038 * @return an Asset for the resource 039 */ 040 Asset createAsset(Resource resource); 041}