001 /**
002 * JDBM LICENSE v1.00
003 *
004 * Redistribution and use of this software and associated documentation
005 * ("Software"), with or without modification, are permitted provided
006 * that the following conditions are met:
007 *
008 * 1. Redistributions of source code must retain copyright
009 * statements and notices. Redistributions must also contain a
010 * copy of this document.
011 *
012 * 2. Redistributions in binary form must reproduce the
013 * above copyright notice, this list of conditions and the
014 * following disclaimer in the documentation and/or other
015 * materials provided with the distribution.
016 *
017 * 3. The name "JDBM" must not be used to endorse or promote
018 * products derived from this Software without prior written
019 * permission of Cees de Groot. For written permission,
020 * please contact cg@cdegroot.com.
021 *
022 * 4. Products derived from this Software may not be called "JDBM"
023 * nor may "JDBM" appear in their names without prior written
024 * permission of Cees de Groot.
025 *
026 * 5. Due credit should be given to the JDBM Project
027 * (http://jdbm.sourceforge.net/).
028 *
029 * THIS SOFTWARE IS PROVIDED BY THE JDBM PROJECT AND CONTRIBUTORS
030 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
031 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
032 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
033 * CEES DE GROOT OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
034 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
035 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
036 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
037 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
038 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
039 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
040 * OF THE POSSIBILITY OF SUCH DAMAGE.
041 *
042 * Copyright 2001 (C) Alex Boisvert. All Rights Reserved.
043 * Contributions are Copyright (C) 2001 by their associated contributors.
044 *
045 */
046
047 package jdbm.helper;
048
049 import java.io.PrintStream;
050 import java.io.PrintWriter;
051
052 /**
053 * A run-time exception that wraps another exception. The printed stack
054 * trace will be that of the wrapped exception.
055 *
056 * @author <a href="mailto:boisvert@intalio.com">Alex Boisvert</a>
057 * @version $Id: WrappedRuntimeException.java,v 1.1 2002/05/31 06:33:20 boisvert Exp $
058 */
059 public class WrappedRuntimeException
060 extends RuntimeException
061 {
062
063
064 /**
065 * The underlying exception.
066 */
067 private final Exception _except;
068
069
070 /**
071 * Constructs a new runtime exception based on a checked exception.
072 *
073 * @param message The error message
074 * @param except The checked exception
075 */
076 public WrappedRuntimeException( String message, Exception except )
077 {
078 super( message == null ? "No message available" : message );
079
080 if ( except instanceof WrappedRuntimeException &&
081 ( (WrappedRuntimeException) except )._except != null )
082 {
083 _except = ( (WrappedRuntimeException) except )._except;
084 } else {
085 _except = except;
086 }
087 }
088
089
090 /**
091 * Constructs a new runtime exception based on a checked exception.
092 *
093 * @param except The checked exception
094 */
095 public WrappedRuntimeException( Exception except )
096 {
097 super( except == null || except.getMessage() == null ? "No message available" : except.getMessage() );
098
099 if ( except instanceof WrappedRuntimeException &&
100 ( (WrappedRuntimeException) except )._except != null )
101 {
102 _except = ( (WrappedRuntimeException) except )._except;
103 } else {
104 _except = except;
105 }
106 }
107
108
109 /**
110 * Returns the exception wrapped by this runtime exception.
111 *
112 * @return The exception wrapped by this runtime exception
113 */
114 public Exception getException()
115 {
116 return _except;
117 }
118
119
120 public void printStackTrace()
121 {
122 if ( _except == null ) {
123 super.printStackTrace();
124 } else {
125 _except.printStackTrace();
126 }
127 }
128
129
130 public void printStackTrace( PrintStream stream )
131 {
132 if ( _except == null ) {
133 super.printStackTrace( stream );
134 } else {
135 _except.printStackTrace( stream );
136 }
137 }
138
139
140 public void printStackTrace( PrintWriter writer )
141 {
142 if ( _except == null ) {
143 super.printStackTrace( writer );
144 } else {
145 _except.printStackTrace( writer );
146 }
147 }
148
149 }
150
151