Java tutorial
/* * Copyright 2002-2010 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.web.context.support; import javax.servlet.ServletContext; import org.springframework.core.io.DefaultResourceLoader; import org.springframework.core.io.Resource; /** * ResourceLoader implementation that resolves paths as ServletContext * resources, for use outside a WebApplicationContext (for example, * in an HttpServletBean or GenericFilterBean subclass). * * <p>Within a WebApplicationContext, resource paths are automatically * resolved as ServletContext resources by the context implementation. * * @author Juergen Hoeller * @since 1.0.2 * @see #getResourceByPath * @see ServletContextResource * @see org.springframework.web.context.WebApplicationContext * @see org.springframework.web.servlet.HttpServletBean * @see org.springframework.web.filter.GenericFilterBean */ public class ServletContextResourceLoader extends DefaultResourceLoader { private final ServletContext servletContext; /** * Create a new ServletContextResourceLoader. * @param servletContext the ServletContext to load resources with */ public ServletContextResourceLoader(ServletContext servletContext) { this.servletContext = servletContext; } /** * This implementation supports file paths beneath the root of the web application. * @see ServletContextResource */ @Override protected Resource getResourceByPath(String path) { return new ServletContextResource(this.servletContext, path); } }