001: /* ====================================================================
002: * The Apache Software License, Version 1.1
003: *
004: * Copyright (c) 1997-2003 The Apache Software Foundation. All rights
005: * reserved.
006: *
007: * Redistribution and use in source and binary forms, with or without
008: * modification, are permitted provided that the following conditions
009: * are met:
010: *
011: * 1. Redistributions of source code must retain the above copyright
012: * notice, this list of conditions and the following disclaimer.
013: *
014: * 2. Redistributions in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * 3. The end-user documentation included with the redistribution,
020: * if any, must include the following acknowledgment:
021: * "This product includes software developed by the
022: * Apache Software Foundation (http://www.apache.org/)."
023: * Alternately, this acknowledgment may appear in the software
024: * itself, if and wherever such third-party acknowledgments
025: * normally appear.
026: *
027: * 4. The names "Jakarta", "Avalon", and "Apache Software Foundation"
028: * must not be used to endorse or promote products derived from this
029: * software without prior written permission. For written
030: * permission, please contact apache@apache.org.
031: *
032: * 5. Products derived from this software may not be called "Apache",
033: * nor may "Apache" appear in their name, without prior written
034: * permission of the Apache Software Foundation.
035: *
036: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
040: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: * SUCH DAMAGE.
048: * ====================================================================
049: *
050: * This software consists of voluntary contributions made by many
051: * individuals on behalf of the Apache Software Foundation. For more
052: * information on the Apache Software Foundation, please see
053: * <http://www.apache.org/>.
054: */
055: package org.jicarilla.lang;
056:
057: /**
058: * <p>Class from which all runtime exceptions should inherit. Allows recording
059: * of nested exceptions in a pre-jdk-1.4 environment.</p>
060: *
061: * <p>This class originally came from the Apache Avalon server framework at <a
062: * href="http://avalon.apache.org/">http://avalon.apache.org/</a>. It has been
063: * included here so that a dependency on avalon-framework.jar is not neccessary
064: * in Jicarilla's core.</p>
065: *
066: * @author <a href="mailto:dev@avalon.apache.org">Avalon Development Team</a>
067: * @version $Id: CascadingRuntimeException.java,v 1.4 2003/12/16 21:20:05
068: * lsimons Exp $
069: */
070: public class CascadingRuntimeException extends RuntimeException
071: implements CascadingThrowable {
072: protected final Throwable m_throwable;
073:
074: /**
075: * Construct a new <code>CascadingRuntimeException</code> instance.
076: */
077: public CascadingRuntimeException() {
078: super ();
079: m_throwable = null;
080: }
081:
082: /**
083: * Construct a new <code>CascadingRuntimeException</code> instance.
084: *
085: * @param throwable the root cause of the exception.
086: */
087: public CascadingRuntimeException(final Throwable throwable) {
088: super ();
089: m_throwable = throwable;
090: }
091:
092: /**
093: * Construct a new <code>CascadingRuntimeException</code> instance.
094: *
095: * @param message the detail message for this exception.
096: */
097: public CascadingRuntimeException(final String message) {
098: this (message, null);
099: }
100:
101: /**
102: * Construct a new <code>CascadingRuntimeException</code> instance.
103: *
104: * @param message the detail message for this exception.
105: * @param throwable the root cause of the exception.
106: */
107: public CascadingRuntimeException(final String message,
108: final Throwable throwable) {
109: super (message);
110: m_throwable = throwable;
111: }
112:
113: /**
114: * Retrieve root cause of the exception.
115: *
116: * @return the root cause for this exception.
117: */
118: public final Throwable getCause() {
119: if (m_throwable != null)
120: return m_throwable;
121: else
122: return super.getCause();
123: }
124: }
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