001: /*
002: * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/LifecycleException.java,v 1.3 2001/07/22 20:13:30 pier Exp $
003: * $Revision: 1.3 $
004: * $Date: 2001/07/22 20:13:30 $
005: *
006: * ====================================================================
007: *
008: * The Apache Software License, Version 1.1
009: *
010: * Copyright (c) 1999 The Apache Software Foundation. All rights
011: * reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions
015: * are met:
016: *
017: * 1. Redistributions of source code must retain the above copyright
018: * notice, this list of conditions and the following disclaimer.
019: *
020: * 2. Redistributions in binary form must reproduce the above copyright
021: * notice, this list of conditions and the following disclaimer in
022: * the documentation and/or other materials provided with the
023: * distribution.
024: *
025: * 3. The end-user documentation included with the redistribution, if
026: * any, must include the following acknowlegement:
027: * "This product includes software developed by the
028: * Apache Software Foundation (http://www.apache.org/)."
029: * Alternately, this acknowlegement may appear in the software itself,
030: * if and wherever such third-party acknowlegements normally appear.
031: *
032: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
033: * Foundation" must not be used to endorse or promote products derived
034: * from this software without prior written permission. For written
035: * permission, please contact apache@apache.org.
036: *
037: * 5. Products derived from this software may not be called "Apache"
038: * nor may "Apache" appear in their names without prior written
039: * permission of the Apache Group.
040: *
041: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
042: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
043: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
044: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
045: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
046: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
047: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
048: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
049: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
050: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
051: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
052: * SUCH DAMAGE.
053: * ====================================================================
054: *
055: * This software consists of voluntary contributions made by many
056: * individuals on behalf of the Apache Software Foundation. For more
057: * information on the Apache Software Foundation, please see
058: * <http://www.apache.org/>.
059: *
060: * [Additional notices, if required by prior licensing conditions]
061: *
062: */
063:
064: package org.apache.catalina;
065:
066: /**
067: * General purpose exception that is thrown to indicate a lifecycle related
068: * problem. Such exceptions should generally be considered fatal to the
069: * operation of the application containing this component.
070: *
071: * @author Craig R. McClanahan
072: * @version $Revision: 1.3 $ $Date: 2001/07/22 20:13:30 $
073: */
074:
075: public final class LifecycleException extends Exception {
076:
077: //------------------------------------------------------------ Constructors
078:
079: /**
080: * Construct a new LifecycleException with no other information.
081: */
082: public LifecycleException() {
083:
084: this (null, null);
085:
086: }
087:
088: /**
089: * Construct a new LifecycleException for the specified message.
090: *
091: * @param message Message describing this exception
092: */
093: public LifecycleException(String message) {
094:
095: this (message, null);
096:
097: }
098:
099: /**
100: * Construct a new LifecycleException for the specified throwable.
101: *
102: * @param throwable Throwable that caused this exception
103: */
104: public LifecycleException(Throwable throwable) {
105:
106: this (null, throwable);
107:
108: }
109:
110: /**
111: * Construct a new LifecycleException for the specified message
112: * and throwable.
113: *
114: * @param message Message describing this exception
115: * @param throwable Throwable that caused this exception
116: */
117: public LifecycleException(String message, Throwable throwable) {
118:
119: super ();
120: this .message = message;
121: this .throwable = throwable;
122:
123: }
124:
125: //------------------------------------------------------ Instance Variables
126:
127: /**
128: * The error message passed to our constructor (if any)
129: */
130: protected String message = null;
131:
132: /**
133: * The underlying exception or error passed to our constructor (if any)
134: */
135: protected Throwable throwable = null;
136:
137: //---------------------------------------------------------- Public Methods
138:
139: /**
140: * Returns the message associated with this exception, if any.
141: */
142: public String getMessage() {
143:
144: return (message);
145:
146: }
147:
148: /**
149: * Returns the throwable that caused this exception, if any.
150: */
151: public Throwable getThrowable() {
152:
153: return (throwable);
154:
155: }
156:
157: /**
158: * Return a formatted string that describes this exception.
159: */
160: public String toString() {
161:
162: StringBuffer sb = new StringBuffer("LifecycleException: ");
163: if (message != null) {
164: sb.append(message);
165: if (throwable != null) {
166: sb.append(": ");
167: }
168: }
169: if (throwable != null) {
170: sb.append(throwable.toString());
171: }
172: return (sb.toString());
173:
174: }
175:
176: }
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