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Jetty example source code file (JspException.java)

This example Jetty source code file (JspException.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Jetty tags/keywords

exception, exception, jspexception, jspexception, throwable, throwable

The Jetty JspException.java source code

/**
 *
 * Copyright 2003-2004 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.
 */

//
// This source code implements specifications defined by the Java
// Community Process. In order to remain compliant with the specification
// DO NOT add / change / or delete method signatures!
//

package javax.servlet.jsp;

/**
 * A generic exception known to the JSP engine; uncaught
 * JspExceptions will result in an invocation of the errorpage
 * machinery.
 */

public class JspException extends Exception {

    private Throwable rootCause;


    /**
     * Construct a JspException.
     */
    public JspException() {
    }


    /**
     * Constructs a new JSP exception with the
     * specified message. The message can be written 
     * to the server log and/or displayed for the user. 
     *
     * @param msg 		a <code>String 
     *				specifying the text of 
     *				the exception message
     *
     */
    public JspException(String msg) {
	super(msg);
    }


    /**
     * Constructs a new JSP exception when the JSP 
     * 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 containing 
     *				the text of the exception message
     *
     * @param rootCause		the <code>Throwable exception 
     *				that interfered with the servlet's
     *				normal operation, making this servlet
     *				exception necessary
     *
     */
    
    public JspException(String message, Throwable rootCause) {
	super(message);
	this.rootCause = rootCause;
    }


    /**
     * Constructs a new JSP exception when the JSP 
     * 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 getLocalizedMessage method
     * on the <code>Throwable exception to get a localized exception
     * message. When subclassing <code>JspException, 
     * this method can be overridden to create an exception message 
     * designed for a specific locale.
     *
     * @param rootCause 	the <code>Throwable exception
     * 				that interfered with the JSP's
     *				normal operation, making the JSP exception
     *				necessary
     *
     */

    public JspException(Throwable rootCause) {
	super(rootCause.getLocalizedMessage());
	this.rootCause = rootCause;
    }

    
    /**
     * Returns the exception that caused this JSP exception.
     *
     *
     * @return			the <code>Throwable 
     *				that caused this JSP exception
     *
     */
    
    public Throwable getRootCause() {
	return rootCause;
    }
}

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