/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina;
/**
* General purpose exception that is thrown to indicate a lifecycle related
* problem. Such exceptions should generally be considered fatal to the
* operation of the application containing this component.
*
* @author Craig R. McClanahan
*
*/
public final class LifecycleException extends Exception {
//------------------------------------------------------------ Constructors
/**
* Construct a new LifecycleException with no other information.
*/
public LifecycleException() {
this(null, null);
}
/**
* Construct a new LifecycleException for the specified message.
*
* @param message Message describing this exception
*/
public LifecycleException(String message) {
this(message, null);
}
/**
* Construct a new LifecycleException for the specified throwable.
*
* @param throwable Throwable that caused this exception
*/
public LifecycleException(Throwable throwable) {
this(null, throwable);
}
/**
* Construct a new LifecycleException for the specified message
* and throwable.
*
* @param message Message describing this exception
* @param throwable Throwable that caused this exception
*/
public LifecycleException(String message, Throwable throwable) {
super();
this.message = message;
this.throwable = throwable;
}
//------------------------------------------------------ Instance Variables
/**
* The error message passed to our constructor (if any)
*/
protected String message = null;
/**
* The underlying exception or error passed to our constructor (if any)
*/
protected Throwable throwable = null;
//---------------------------------------------------------- Public Methods
/**
* Returns the message associated with this exception, if any.
*/
public String getMessage() {
return (message);
}
/**
* Returns the throwable that caused this exception, if any.
*/
public Throwable getThrowable() {
return (throwable);
}
/**
* Return a formatted string that describes this exception.
*/
public String toString() {
StringBuffer sb = new StringBuffer("LifecycleException: ");
if (message != null) {
sb.append(message);
if (throwable != null) {
sb.append(": ");
}
}
if (throwable != null) {
sb.append(throwable.toString());
}
return (sb.toString());
}
}