View Javadoc

1   /**
2    *
3    * Copyright 2003-2004 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  package org.acme;
18  
19  import java.io.IOException;
20  import java.io.PrintWriter;
21  
22  import javax.ejb.CreateException;
23  import javax.naming.Context;
24  import javax.naming.InitialContext;
25  import javax.naming.NamingException;
26  import javax.servlet.ServletException;
27  import javax.servlet.http.HttpServlet;
28  import javax.servlet.http.HttpServletRequest;
29  import javax.servlet.http.HttpServletResponse;
30  
31  /**
32   * Run this servlet
33   *
34   * @version $Rev: 411947 $ $Date: 2006-06-05 16:26:17 -0700 (Mon, 05 Jun 2006) $
35   */
36  public class MagicGBallServlet extends HttpServlet {
37  
38  	public MagicGBallServlet() {
39  		super();
40  	}
41  
42  	protected void service(HttpServletRequest req, HttpServletResponse res)
43  		throws ServletException, IOException {
44  		try {
45  			Context ctx = new InitialContext();
46  			MagicGBallLocalHome ejbHome = (MagicGBallLocalHome) ctx.lookup("java:comp/env/mGball");
47  			MagicGBallLocal m8ball = ejbHome.create();
48  			String question = req.getParameter("question");
49  			String answer = m8ball.ask(question);
50  			
51  			PrintWriter out = res.getWriter();
52  			out.print(answer);
53  		} catch (NamingException e) {
54  			e.printStackTrace();
55  		} catch (CreateException e) {
56  			e.printStackTrace();
57  		} catch (IOException e) {
58  			e.printStackTrace();
59  		}
60  	}
61  
62  }