| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 |
| * |
| * http://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 com.alibaba.dubbo.rpc.protocol.rest; |
| |
| import com.alibaba.dubbo.common.URL; |
| import com.alibaba.dubbo.remoting.http.HttpBinder; |
| import com.alibaba.dubbo.remoting.http.HttpHandler; |
| import com.alibaba.dubbo.remoting.http.HttpServer; |
| import com.alibaba.dubbo.remoting.http.servlet.BootstrapListener; |
| import com.alibaba.dubbo.remoting.http.servlet.ServletManager; |
| import com.alibaba.dubbo.rpc.RpcContext; |
| import com.alibaba.dubbo.rpc.RpcException; |
| |
| import org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher; |
| import org.jboss.resteasy.spi.ResteasyDeployment; |
| |
| import javax.servlet.ServletConfig; |
| import javax.servlet.ServletContext; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import java.io.IOException; |
| import java.util.Enumeration; |
| |
| public class DubboHttpServer extends BaseRestServer { |
| |
| private final HttpServletDispatcher dispatcher = new HttpServletDispatcher(); |
| private final ResteasyDeployment deployment = new ResteasyDeployment(); |
| private HttpBinder httpBinder; |
| private HttpServer httpServer; |
| // private boolean isExternalServer; |
| |
| public DubboHttpServer(HttpBinder httpBinder) { |
| this.httpBinder = httpBinder; |
| } |
| |
| @Override |
| protected void doStart(URL url) { |
| // TODO jetty will by default enable keepAlive so the xml config has no effect now |
| httpServer = httpBinder.bind(url, new RestHandler()); |
| |
| ServletContext servletContext = ServletManager.getInstance().getServletContext(url.getPort()); |
| if (servletContext == null) { |
| servletContext = ServletManager.getInstance().getServletContext(ServletManager.EXTERNAL_SERVER_PORT); |
| } |
| if (servletContext == null) { |
| throw new RpcException("No servlet context found. If you are using server='servlet', " + |
| "make sure that you've configured " + BootstrapListener.class.getName() + " in web.xml"); |
| } |
| |
| servletContext.setAttribute(ResteasyDeployment.class.getName(), deployment); |
| |
| try { |
| dispatcher.init(new SimpleServletConfig(servletContext)); |
| } catch (ServletException e) { |
| throw new RpcException(e); |
| } |
| } |
| |
| @Override |
| public void stop() { |
| httpServer.close(); |
| } |
| |
| @Override |
| protected ResteasyDeployment getDeployment() { |
| return deployment; |
| } |
| |
| private class RestHandler implements HttpHandler { |
| |
| @Override |
| public void handle(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { |
| RpcContext.getContext().setRemoteAddress(request.getRemoteAddr(), request.getRemotePort()); |
| dispatcher.service(request, response); |
| } |
| } |
| |
| private static class SimpleServletConfig implements ServletConfig { |
| |
| private final ServletContext servletContext; |
| |
| public SimpleServletConfig(ServletContext servletContext) { |
| this.servletContext = servletContext; |
| } |
| |
| @Override |
| public String getServletName() { |
| return "DispatcherServlet"; |
| } |
| |
| @Override |
| public ServletContext getServletContext() { |
| return servletContext; |
| } |
| |
| @Override |
| public String getInitParameter(String s) { |
| return null; |
| } |
| |
| @Override |
| public Enumeration getInitParameterNames() { |
| return new Enumeration() { |
| @Override |
| public boolean hasMoreElements() { |
| return false; |
| } |
| |
| @Override |
| public Object nextElement() { |
| return null; |
| } |
| }; |
| } |
| } |
| } |