001/*
002 * Copyright 2002-2006 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.web.portlet.context;
018
019import javax.portlet.PortletContext;
020
021import org.springframework.core.io.DefaultResourceLoader;
022import org.springframework.core.io.Resource;
023
024/**
025 * ResourceLoader implementation that resolves paths as PortletContext
026 * resources, for use outside a Portlet ApplicationContext (for example,
027 * in a GenericPortletBean subclass).
028 *
029 * <p>Within a WebApplicationContext, resource paths are automatically
030 * resolved as PortletContext resources by the context implementation.
031 *
032 * @author Juergen Hoeller
033 * @author John A. Lewis
034 * @since 2.0
035 * @see #getResourceByPath
036 * @see PortletContextResource
037 * @see org.springframework.web.portlet.GenericPortletBean
038 */
039public class PortletContextResourceLoader extends DefaultResourceLoader {
040
041        private final PortletContext portletContext;
042
043
044        /**
045         * Create a new PortletContextResourceLoader.
046         * @param portletContext the PortletContext to load resources with
047         */
048        public PortletContextResourceLoader(PortletContext portletContext) {
049                this.portletContext = portletContext;
050        }
051
052        /**
053         * This implementation supports file paths beneath the root of the web application.
054         * @see PortletContextResource
055         */
056        @Override
057        protected Resource getResourceByPath(String path) {
058                return new PortletContextResource(this.portletContext, path);
059        }
060
061}