01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * 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: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.ejb.hessian;
30:
31: import com.caucho.hessian.io.HessianInput;
32: import com.caucho.hessian.io.HessianOutput;
33: import com.caucho.ejb.protocol.Skeleton;
34: import com.caucho.log.Log;
35:
36: import javax.jms.JMSException;
37: import java.io.InputStream;
38: import java.io.OutputStream;
39: import java.util.logging.Level;
40: import java.util.logging.Logger;
41:
42: /**
43: * Base class for any bean skeleton capable of handling an HESSIAN-RPC request.
44: *
45: * <p/>Once selected, the calling servlet will dispatch the request through
46: * the <code>_service</code> call. After parsing the request headers,
47: * <code>_service</code> calls the generated entry <code>_execute</code>
48: * to execute the request.
49: */
50: public class ExceptionSkeleton extends Skeleton {
51: protected static Logger log = Log.open(ExceptionSkeleton.class);
52:
53: ExceptionSkeleton() throws JMSException {
54: }
55:
56: /**
57: * Services the request.
58: *
59: * @param rawIs the raw input stream from the servlet request
60: * @param rawOs the raw output stream to the servlet response
61: */
62: public void _service(InputStream rawIs, OutputStream rawOs)
63: throws Exception {
64: throw new UnsupportedOperationException();
65: }
66:
67: /**
68: * Services the request.
69: *
70: * @param rawIs the raw input stream from the servlet request
71: * @param rawOs the raw output stream to the servlet response
72: */
73: public void _service(InputStream rawIs, OutputStream rawOs,
74: Throwable e) throws Exception {
75: HessianInput in = new HessianInput(rawIs);
76: HessianOutput out = new HessianWriter(rawOs);
77:
78: try {
79: in.startCall();
80:
81: String method = in.getMethod();
82:
83: in.completeCall();
84:
85: out.startReply();
86: out.writeFault("SystemFault", String.valueOf(e), e);
87: out.completeReply();
88: } catch (Exception e1) {
89: log.log(Level.WARNING, e1.toString(), e1);
90:
91: out.startReply();
92: out.writeFault("SystemFault", String.valueOf(e1), e1);
93: out.completeReply();
94: }
95: }
96: }
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