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comparison src/com/go/trove/util/FilterException.java @ 0:3dc0c5604566

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Initial checkin of blitz 2.0 fcs - no installer yet.
author Dan Creswell <dan.creswell@gmail.com>
date Sat, 21 Mar 2009 11:00:06 +0000
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-1:000000000000 0:3dc0c5604566
1 /* ====================================================================
2 * TeaServlet - Copyright (c) 1999-2000 Walt Disney Internet Group
3 * ====================================================================
4 * The Tea Software License, Version 1.1
5 *
6 * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. The end-user documentation included with the redistribution,
21 * if any, must include the following acknowledgment:
22 * "This product includes software developed by the
23 * Walt Disney Internet Group (http://opensource.go.com/)."
24 * Alternately, this acknowledgment may appear in the software itself,
25 * if and wherever such third-party acknowledgments normally appear.
26 *
27 * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must
28 * not be used to endorse or promote products derived from this
29 * software without prior written permission. For written
30 * permission, please contact opensource@dig.com.
31 *
32 * 5. Products derived from this software may not be called "Tea",
33 * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet",
34 * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior
35 * written permission of the Walt Disney Internet Group.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS
41 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
42 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
43 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
44 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
45 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * For more information about Tea, please see http://opensource.go.com/.
51 */
52 package com.go.trove.util;
53
54 import java.io.PrintStream;
55 import java.io.PrintWriter;
56
57 /**
58 * Applies the filter pattern to Exceptions.
59 *
60 * @author Scott Jappinen
61 * @version <!--$$Revision: 1.1 $-->-<!--$$JustDate:--> 01/03/23 <!-- $-->
62 */
63 public class FilterException extends Exception {
64
65 private Throwable mRootCause;
66
67 public FilterException() {
68 super();
69 mRootCause = null;
70 }
71
72 public FilterException(String message) {
73 super(message);
74 mRootCause = null;
75 }
76
77 protected FilterException(Throwable rootCause) {
78 super(rootCause.getMessage());
79 mRootCause = rootCause;
80 }
81
82 protected FilterException(String message, Throwable rootCause) {
83 super(message);
84 mRootCause = rootCause;
85 }
86
87 public String getMessage() {
88 String result;
89 if (mRootCause != null) {
90 String msg = super.getMessage();
91 if (msg != null) {
92 result = super.getMessage() + ": " + mRootCause.getMessage();
93 } else {
94 result = mRootCause.getMessage();
95 }
96 } else {
97 result = super.getMessage();
98 }
99 return result;
100 }
101
102 public void printStackTrace() {
103 if (mRootCause != null) {
104 System.err.println("Root cause: ");
105 mRootCause.printStackTrace();
106 } else {
107 super.printStackTrace();
108 }
109 }
110
111 public void printStackTrace(PrintStream stream) {
112 if (mRootCause != null) {
113 stream.print("Root cause: ");
114 mRootCause.printStackTrace(stream);
115 } else {
116 super.printStackTrace(stream);
117 }
118 }
119
120 public void printStackTrace(PrintWriter writer) {
121 if (mRootCause != null) {
122 writer.print("Root cause: ");
123 mRootCause.printStackTrace(writer);
124 } else {
125 super.printStackTrace(writer);
126 }
127 }
128
129 public Throwable getRootCause() {
130 return mRootCause;
131 }
132 }
133