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/*
* 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.
*/
public class ServletException extends Exception {
private static final long serialVersionUID = 1L;
/**
* 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, 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);
}
/**
* Returns the exception that caused this servlet exception.
*
* @return the <code>Throwable</code> that caused this servlet exception
*/
public Throwable getRootCause() {
return getCause();
}
}
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