jj2kexceptionhandler.java

jpeg2000算法实现

/*
 * CVS identifier:
 *
 * $Id: JJ2KExceptionHandler.java,v 1.6 2000/09/05 09:22:08 grosbois Exp $
 *
 * Class:                   JJ2KExceptionHandler
 *
 * Description:             A class to handle exceptions
 *
 *
 *
 * COPYRIGHT:
 * 
 * This software module was originally developed by Rapha雔 Grosbois and
 * Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel
 * Askel鰂 (Ericsson Radio Systems AB); and Bertrand Berthelot, David
 * Bouchard, F閘ix Henry, Gerard Mozelle and Patrice Onno (Canon Research
 * Centre France S.A) in the course of development of the JPEG2000
 * standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This
 * software module is an implementation of a part of the JPEG 2000
 * Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio
 * Systems AB and Canon Research Centre France S.A (collectively JJ2000
 * Partners) agree not to assert against ISO/IEC and users of the JPEG
 * 2000 Standard (Users) any of their rights under the copyright, not
 * including other intellectual property rights, for this software module
 * with respect to the usage by ISO/IEC and Users of this software module
 * or modifications thereof for use in hardware or software products
 * claiming conformance to the JPEG 2000 Standard. Those intending to use
 * this software module in hardware or software products are advised that
 * their use may infringe existing patents. The original developers of
 * this software module, JJ2000 Partners and ISO/IEC assume no liability
 * for use of this software module or modifications thereof. No license
 * or right to this software module is granted for non JPEG 2000 Standard
 * conforming products. JJ2000 Partners have full right to use this
 * software module for his/her own purpose, assign or donate this
 * software module to any third party and to inhibit third parties from
 * using this software module for non JPEG 2000 Standard conforming
 * products. This copyright notice must be included in all copies or
 * derivative works of this software module.
 * 
 * Copyright (c) 1999/2000 JJ2000 Partners.
 * 
 * 
 * 
 */


package jj2000.j2k;

/**
 * This class handles exceptions. It should be used in places where it
 * is not known how to handle the exception, and the exception can not
 * be thrown higher in the stack.
 *
 * <P>Different options can be registered for each Thread and
 * ThreadGroup. <i>This feature is not implemented yet</i>
 *
 */
public class JJ2KExceptionHandler {

    /**
     * Handles the exception. If no special action is registered for
     * the current thread, then the Exception's stack trace and a
     * descriptive message are printed to standard error and the
     * current thread is stopped.
     *
     * <P><i>Registration of special actions is not implemented yet.</i>
     *
     * @param e The exception to handle
     *
     *
     * */
    public static void handleException(Throwable e) {
        // Test if there is an special action (not implemented yet)
        
        // If no special action
        
        // Print the Exception message and stack to standard error
        // including this method in the stack.
        e.fillInStackTrace();
        e.printStackTrace();
        // Print an explicative message
        System.err.println("The Thread is being terminated bacause an " +
                           "Exception (shown above)\n" +
                           "has been thrown and no special action was " +
                           "defined for this Thread.");
        // Stop the thread (do not use stop, since it's deprecated in
        // Java 1.2)
        throw new ThreadDeath();
    }
}