1 /** 2 * JDBM LICENSE v1.00 3 * 4 * Redistribution and use of this software and associated documentation 5 * ("Software"), with or without modification, are permitted provided 6 * that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain copyright 9 * statements and notices. Redistributions must also contain a 10 * copy of this document. 11 * 12 * 2. Redistributions in binary form must reproduce the 13 * above copyright notice, this list of conditions and the 14 * following disclaimer in the documentation and/or other 15 * materials provided with the distribution. 16 * 17 * 3. The name "JDBM" must not be used to endorse or promote 18 * products derived from this Software without prior written 19 * permission of Cees de Groot. For written permission, 20 * please contact cg@cdegroot.com. 21 * 22 * 4. Products derived from this Software may not be called "JDBM" 23 * nor may "JDBM" appear in their names without prior written 24 * permission of Cees de Groot. 25 * 26 * 5. Due credit should be given to the JDBM Project 27 * (http://jdbm.sourceforge.net/). 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE JDBM PROJECT AND CONTRIBUTORS 30 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 31 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 32 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 33 * CEES DE GROOT OR ANY CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 34 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 35 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 36 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 38 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 39 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 40 * OF THE POSSIBILITY OF SUCH DAMAGE. 41 * 42 * Copyright 2001 (C) Alex Boisvert. All Rights Reserved. 43 * Contributions are Copyright (C) 2001 by their associated contributors. 44 * 45 */ 46 47 package jdbm.helper; 48 49 import java.io.PrintStream; 50 import java.io.PrintWriter; 51 52 /** 53 * A run-time exception that wraps another exception. The printed stack 54 * trace will be that of the wrapped exception. 55 * 56 * @author <a href="mailto:boisvert@intalio.com">Alex Boisvert</a> 57 * @version $Id: WrappedRuntimeException.java,v 1.1 2002/05/31 06:33:20 boisvert Exp $ 58 */ 59 public class WrappedRuntimeException 60 extends RuntimeException 61 { 62 63 64 /** 65 * The underlying exception. 66 */ 67 private final Exception _except; 68 69 70 /** 71 * Constructs a new runtime exception based on a checked exception. 72 * 73 * @param message The error message 74 * @param except The checked exception 75 */ 76 public WrappedRuntimeException( String message, Exception except ) 77 { 78 super( message == null ? "No message available" : message ); 79 80 if ( except instanceof WrappedRuntimeException && 81 ( (WrappedRuntimeException) except )._except != null ) 82 { 83 _except = ( (WrappedRuntimeException) except )._except; 84 } else { 85 _except = except; 86 } 87 } 88 89 90 /** 91 * Constructs a new runtime exception based on a checked exception. 92 * 93 * @param except The checked exception 94 */ 95 public WrappedRuntimeException( Exception except ) 96 { 97 super( except == null || except.getMessage() == null ? "No message available" : except.getMessage() ); 98 99 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