1. /*

  2.  * @(#)InvalidClassException.java	1.14 01/11/29

  3.  *

  4.  * Copyright 2002 Sun Microsystems, Inc. All rights reserved.

  5.  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

  6.  */

  7. 

  8. package java.io;

  9. 

  10. /**

  11.  * Thrown when the Serialization runtime detects one of the following

  12.  * problems with a Class.

  13.  * <UL>

  14.  * <LI> The serial version of the class does not match that of the class

  15.  *      descriptor read from the stream

  16.  * <LI> The class contains unknown datatypes

  17.  * <LI> The class does not have an accessible no-arg constructor

  18.  * </UL>

  19.  *

  20.  * @author  unascribed

  21.  * @version 1.14, 11/29/01

  22.  * @since   JDK1.1

  23.  */

  24. public class InvalidClassException extends ObjectStreamException {

  25.     /**

  26.      * @serial Name of the invalid class.

  27.      */

  28.     public String classname;

  29. 

  30.     /**

  31.      * Report a InvalidClassException for the reason specified.

  32.      */

  33.     public InvalidClassException(String reason) {

  34. 	super(reason);

  35.     }

  36. 

  37.     /**

  38.      */

  39.     public InvalidClassException(String cname, String reason) {

  40. 	super(reason);

  41. 	classname = cname;

  42.     }

  43. 

  44.     /**

  45.      * Produce the message and include the classname, if present.

  46.      */

  47.     public String getMessage() {

  48. 	if (classname == null)

  49. 	    return super.getMessage();

  50. 	else

  51. 	    return classname + "; " + super.getMessage();

  52.     }

  53. }