| /* |
| * 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 javax.servlet; |
| |
| |
| /** |
| * Defines a general exception a servlet can throw when it |
| * encounters difficulty. |
| * |
| * @author Various |
| * @version $Version$ |
| * |
| */ |
| |
| |
| public class ServletException extends Exception { |
| |
| private Throwable rootCause; |
| |
| |
| |
| |
| |
| /** |
| * Constructs a new servlet exception. |
| * |
| */ |
| |
| public ServletException() { |
| super(); |
| } |
| |
| |
| |
| |
| |
| /** |
| * Constructs a new servlet exception with the |
| * specified message. The message can be written |
| * to the server log and/or displayed for the user. |
| * |
| * @param message a <code>String</code> |
| * specifying the text of |
| * the exception message |
| * |
| */ |
| |
| public ServletException(String message) { |
| super(message); |
| } |
| |
| |
| |
| |
| |
| /** |
| * Constructs a new servlet exception when the servlet |
| * needs to throw an exception and include a message |
| * about the "root cause" exception that interfered with its |
| * normal operation, including a description message. |
| * |
| * |
| * @param message a <code>String</code> containing |
| * the text of the exception message |
| * |
| * @param rootCause the <code>Throwable</code> exception |
| * that interfered with the servlet's |
| * normal operation, making this servlet |
| * exception necessary |
| * |
| */ |
| |
| public ServletException(String message, Throwable rootCause) { |
| super(message); |
| this.rootCause = rootCause; |
| } |
| |
| |
| |
| |
| |
| /** |
| * Constructs a new servlet exception when the servlet |
| * needs to throw an exception and include a message |
| * about the "root cause" exception that interfered with its |
| * normal operation. The exception's message is based on the localized |
| * message of the underlying exception. |
| * |
| * <p>This method calls the <code>getLocalizedMessage</code> method |
| * on the <code>Throwable</code> exception to get a localized exception |
| * message. When subclassing <code>ServletException</code>, |
| * this method can be overridden to create an exception message |
| * designed for a specific locale. |
| * |
| * @param rootCause the <code>Throwable</code> exception |
| * that interfered with the servlet's |
| * normal operation, making the servlet exception |
| * necessary |
| * |
| */ |
| |
| public ServletException(Throwable rootCause) { |
| super(rootCause.getLocalizedMessage()); |
| this.rootCause = rootCause; |
| } |
| |
| |
| |
| |
| |
| /** |
| * Returns the exception that caused this servlet exception. |
| * |
| * |
| * @return the <code>Throwable</code> |
| * that caused this servlet exception |
| * |
| */ |
| |
| public Throwable getRootCause() { |
| return rootCause; |
| } |
| } |
| |
| |
| |
| |
| |