1 /*

     2  * Copyright 1996-2006 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 package java.io;

    27 

    28 /**

    29  * Thrown when the Serialization runtime detects one of the following

    30  * problems with a Class.

    31  * <UL>

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

    33  *      descriptor read from the stream

    34  * <LI> The class contains unknown datatypes

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

    36  * </UL>

    37  *

    38  * @author  unascribed

    39  * @since   JDK1.1

    40  */

    41 public class InvalidClassException extends ObjectStreamException {

    42 

    43     private static final long serialVersionUID = -4333316296251054416L;

    44 

    45     /**

    46      * Name of the invalid class.

    47      *

    48      * @serial Name of the invalid class.

    49      */

    50     public String classname;

    51 

    52     /**

    53      * Report an InvalidClassException for the reason specified.

    54      *

    55      * @param reason  String describing the reason for the exception.

    56      */

    57     public InvalidClassException(String reason) {

    58         super(reason);

    59     }

    60 

    61     /**

    62      * Constructs an InvalidClassException object.

    63      *

    64      * @param cname   a String naming the invalid class.

    65      * @param reason  a String describing the reason for the exception.

    66      */

    67     public InvalidClassException(String cname, String reason) {

    68         super(reason);

    69         classname = cname;

    70     }

    71 

    72     /**

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

    74      */

    75     public String getMessage() {

    76         if (classname == null)

    77             return super.getMessage();

    78         else

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

    80     }

    81 }