Java tutorial
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can obtain * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt. * Sun designates this particular file as subject to the "Classpath" exception * as provided by Sun in the GPL Version 2 section of the License file that * accompanied this code. 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However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package com.sun.xml.ws.transport.http.servlet; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; import org.springframework.context.ConfigurableApplicationContext; import org.springframework.web.context.WebApplicationContext; import org.springframework.web.context.support.WebApplicationContextUtils; import javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.util.LinkedHashSet; import java.util.Set; /** * {@link HttpServlet} that uses Spring to obtain a configured server set up, * then routes incoming requests to it. * * This version of the class also works with environments where the web * application context is injected rather than created internally (e.g. Servlet * 3.0+ environments, and in embedded servlet containers.) * * @author Kohsuke Kawaguchi * @author Alex Leigh */ public class WSSpringServlet extends HttpServlet implements ApplicationContextAware { private static final long serialVersionUID = -2786173009814679145L; private WSServletDelegate delegate; private WebApplicationContext webApplicationContext; private boolean webApplicationContextInjected = false; public WSSpringServlet() { } public WSSpringServlet(WebApplicationContext webApplicationContext) { this.webApplicationContext = webApplicationContext; } @Override public void setApplicationContext(ApplicationContext applicationContext) { if (this.webApplicationContext == null && applicationContext instanceof WebApplicationContext) { this.webApplicationContext = (WebApplicationContext) applicationContext; this.webApplicationContextInjected = true; } } @Override public void init(ServletConfig servletConfig) throws ServletException { super.init(servletConfig); // get the configured adapters from Spring this.webApplicationContext = initWebApplicationContext(); Set<SpringBinding> bindings = new LinkedHashSet<>(); bindings.addAll(this.webApplicationContext.getBeansOfType(SpringBinding.class).values()); // create adapters ServletAdapterList l = new ServletAdapterList(getServletContext()); for (SpringBinding binding : bindings) binding.create(l); delegate = new WSServletDelegate(l, getServletContext()); } protected WebApplicationContext initWebApplicationContext() { if (this.webApplicationContext != null) { return this.webApplicationContext; } else { return WebApplicationContextUtils.getRequiredWebApplicationContext(getServletContext()); } } /** * destroys the servlet and releases all associated resources, * such as the Spring application context and the JAX-WS delegate. */ @Override public void destroy() { if (this.webApplicationContext instanceof ConfigurableApplicationContext && !this.webApplicationContextInjected) { ((ConfigurableApplicationContext) this.webApplicationContext).close(); } delegate.destroy(); delegate = null; } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException { delegate.doPost(request, response, getServletContext()); } @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException { delegate.doGet(request, response, getServletContext()); } @Override protected void doPut(HttpServletRequest request, HttpServletResponse response) throws ServletException { delegate.doPut(request, response, getServletContext()); } @Override protected void doDelete(HttpServletRequest request, HttpServletResponse response) throws ServletException { delegate.doDelete(request, response, getServletContext()); } @Override protected void doHead(HttpServletRequest request, HttpServletResponse response) throws ServletException { delegate.doHead(request, response, getServletContext()); } }