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: * $Id: DuplicateKeyWrapper.java,v 1.2 2004/09/29 00:13:00 cvs Exp $
29: */
30:
31: package com.caucho.ejb;
32:
33: import com.caucho.util.ExceptionWrapper;
34:
35: /**
36: * Wraps the actual exception with an EJB exception
37: */
38: public class DuplicateKeyWrapper extends
39: javax.ejb.DuplicateKeyException implements ExceptionWrapper {
40: private Throwable rootCause;
41:
42: /**
43: * Create a basic DuplicateKeyWrapper with a message.
44: *
45: * @param msg the exception message.
46: */
47: public DuplicateKeyWrapper(String msg) {
48: super (msg);
49: }
50:
51: /**
52: * Create a DuplicateKeyWrapper wrapping a root exception.
53: *
54: * @param rootCause the underlying wrapped exception.
55: */
56: public DuplicateKeyWrapper(Throwable rootCause) {
57: super (rootCause.getMessage());
58:
59: this .rootCause = rootCause;
60: }
61:
62: /**
63: * Returns the root exception if it exists.
64: *
65: * @return the underlying wrapped exception.
66: */
67: public Throwable getRootCause() {
68: return rootCause;
69: }
70:
71: /**
72: * Returns the appropriate exception message.
73: */
74: public String getMessage() {
75: if (rootCause != null)
76: return rootCause.getMessage();
77: else
78: return super .getMessage();
79: }
80:
81: /**
82: * Print the exception as a string.
83: */
84: public String toString() {
85: if (rootCause == null)
86: return super .toString();
87: else
88: return getClass().getName() + ": " + rootCause;
89: }
90: }
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