1 // 2 // ======================================================================== 3 // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd. 4 // ------------------------------------------------------------------------ 5 // All rights reserved. This program and the accompanying materials 6 // are made available under the terms of the Eclipse Public License v1.0 7 // and Apache License v2.0 which accompanies this distribution. 8 // 9 // The Eclipse Public License is available at 10 // http://www.eclipse.org/legal/epl-v10.html 11 // 12 // The Apache License v2.0 is available at 13 // http://www.opensource.org/licenses/apache2.0.php 14 // 15 // You may elect to redistribute this code under either of these licenses. 16 // ======================================================================== 17 // 18 19 package org.eclipse.jetty.embedded; 20 21 import java.io.IOException; 22 23 import javax.servlet.ServletException; 24 import javax.servlet.http.HttpServlet; 25 import javax.servlet.http.HttpServletRequest; 26 import javax.servlet.http.HttpServletResponse; 27 28 import org.eclipse.jetty.server.Server; 29 import org.eclipse.jetty.servlet.ServletHandler; 30 31 public class MinimalServlets 32 { 33 public static void main( String[] args ) throws Exception 34 { 35 // Create a basic jetty server object that will listen on port 8080. 36 // Note that if you set this to port 0 then a randomly available port 37 // will be assigned that you can either look in the logs for the port, 38 // or programmatically obtain it for use in test cases. 39 Server server = new Server(8080); 40 41 // The ServletHandler is a dead simple way to create a context handler 42 // that is backed by an instance of a Servlet. 43 // This handler then needs to be registered with the Server object. 44 ServletHandler handler = new ServletHandler(); 45 server.setHandler(handler); 46 47 // Passing in the class for the Servlet allows jetty to instantiate an 48 // instance of that Servlet and mount it on a given context path. 49 50 // IMPORTANT: 51 // This is a raw Servlet, not a Servlet that has been configured 52 // through a web.xml @WebServlet annotation, or anything similar. 53 handler.addServletWithMapping(HelloServlet.class, "/*"); 54 55 // Start things up! 56 server.start(); 57 58 // The use of server.join() the will make the current thread join and 59 // wait until the server is done executing. 60 // See 61 // http://docs.oracle.com/javase/7/docs/api/java/lang/Thread.html#join() 62 server.join(); 63 } 64 65 @SuppressWarnings("serial") 66 public static class HelloServlet extends HttpServlet 67 { 68 @Override 69 protected void doGet( HttpServletRequest request, 70 HttpServletResponse response ) throws ServletException, 71 IOException 72 { 73 response.setContentType("text/html"); 74 response.setStatus(HttpServletResponse.SC_OK); 75 response.getWriter().println("<h1>Hello from HelloServlet</h1>"); 76 } 77 } 78 }