| /* |
| * Copyright 1999,2004 The Apache Software Foundation. |
| * |
| * Licensed 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 |
| * @version $Revision$ $Date$ |
| */ |
| |
| 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()); |
| |
| } |
| |
| |
| } |