001/*
002 * $RCSfile: JJ2KExceptionHandler.java,v $
003 * $Revision: 1.1 $
004 * $Date: 2005/02/11 05:01:58 $
005 * $State: Exp $
006 *
007 * Class:                   JJ2KExceptionHandler
008 *
009 * Description:             A class to handle exceptions
010 *
011 *
012 *
013 * COPYRIGHT:
014 *
015 * This software module was originally developed by Raphaël Grosbois and
016 * Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
017 * Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David
018 * Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research
019 * Centre France S.A) in the course of development of the JPEG2000
020 * standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
021 * software module is an implementation of a part of the JPEG 2000
022 * Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
023 * Systems AB and Canon Research Centre France S.A (collectively JJ2000
024 * Partners) agree not to assert against ISO/IEC and users of the JPEG
025 * 2000 Standard (Users) any of their rights under the copyright, not
026 * including other intellectual property rights, for this software module
027 * with respect to the usage by ISO/IEC and Users of this software module
028 * or modifications thereof for use in hardware or software products
029 * claiming conformance to the JPEG 2000 Standard. Those intending to use
030 * this software module in hardware or software products are advised that
031 * their use may infringe existing patents. The original developers of
032 * this software module, JJ2000 Partners and ISO/IEC assume no liability
033 * for use of this software module or modifications thereof. No license
034 * or right to this software module is granted for non JPEG 2000 Standard
035 * conforming products. JJ2000 Partners have full right to use this
036 * software module for his/her own purpose, assign or donate this
037 * software module to any third party and to inhibit third parties from
038 * using this software module for non JPEG 2000 Standard conforming
039 * products. This copyright notice must be included in all copies or
040 * derivative works of this software module.
041 *
042 * Copyright (c) 1999/2000 JJ2000 Partners.
043 *
044 *
045 *
046 */
047
048
049package jj2000.j2k;
050
051/**
052 * This class handles exceptions. It should be used in places where it
053 * is not known how to handle the exception, and the exception can not
054 * be thrown higher in the stack.
055 *
056 * <P>Different options can be registered for each Thread and
057 * ThreadGroup. <i>This feature is not implemented yet</i>
058 *
059 */
060public class JJ2KExceptionHandler {
061
062    /**
063     * Handles the exception. If no special action is registered for
064     * the current thread, then the Exception's stack trace and a
065     * descriptive message are printed to standard error and the
066     * current thread is stopped.
067     *
068     * <P><i>Registration of special actions is not implemented yet.</i>
069     *
070     * @param e The exception to handle
071     *
072     *
073     * */
074    public static void handleException(Throwable e) {
075        // Test if there is an special action (not implemented yet)
076
077        // If no special action
078
079        // Print the Exception message and stack to standard error
080        // including this method in the stack.
081        e.fillInStackTrace();
082        e.printStackTrace();
083        // Print an explicative message
084        System.err.println("The Thread is being terminated bacause an " +
085                           "Exception (shown above)\n" +
086                           "has been thrown and no special action was " +
087                           "defined for this Thread.");
088        // Stop the thread (do not use stop, since it's deprecated in
089        // Java 1.2)
090        throw new ThreadDeath();
091    }
092}