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Java > Open Source Codes > com > caucho > soa > servlet > HessianProtocolServlet


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.soa.servlet;
31
32 import com.caucho.hessian.io.SerializerFactory;
33 import com.caucho.soa.encoding.HessianEncoding;
34
35 import javax.servlet.GenericServlet JavaDoc;
36 import javax.servlet.ServletException JavaDoc;
37 import javax.servlet.ServletRequest JavaDoc;
38 import javax.servlet.ServletResponse JavaDoc;
39 import java.io.IOException JavaDoc;
40 import java.util.logging.Logger JavaDoc;
41
42 /**
43  * Invokes a service based on a Hessian-encoded request.
44  */
45 public class HessianProtocolServlet
46   extends GenericServlet JavaDoc
47   implements ProtocolServlet
48 {
49   protected static Logger JavaDoc log
50     = Logger.getLogger(HessianProtocolServlet.class.getName());
51   
52   private final HessianEncoding _hessian = new HessianEncoding();
53
54   /**
55    * Sets the service class.
56    */
57   public void setService(Object JavaDoc service)
58   {
59     _hessian.setService(service);
60   }
61
62   /**
63    * Sets the serializer factory.
64    */
65   public void setSerializerFactory(SerializerFactory factory)
66   {
67     _hessian.setSerializerFactory(factory);
68   }
69
70   /**
71    * Sets the serializer send collection java type.
72    */
73   public void setSendCollectionType(boolean sendType)
74   {
75     _hessian.setSendCollectionType(sendType);
76   }
77
78   public void init()
79     throws ServletException JavaDoc
80   {
81     try {
82       _hessian.init();
83     } catch (ServletException JavaDoc e) {
84       throw e;
85     } catch (RuntimeException JavaDoc e) {
86       throw e;
87     } catch (Exception JavaDoc e) {
88       throw new ServletException JavaDoc(e);
89     }
90   }
91
92   public void service(ServletRequest JavaDoc request, ServletResponse JavaDoc response)
93     throws IOException JavaDoc, ServletException JavaDoc
94   {
95     _hessian.invoke(request.getInputStream(),
96             response.getOutputStream());
97   }
98 }
99
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