content: /*
   * Copyright (c) 1996, 2006, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package java.io;
  
  /**
   * Thrown when the Serialization runtime detects one of the following
   * problems with a Class.
   * <UL>
   * <LI> The serial version of the class does not match that of the class
   *      descriptor read from the stream
   * <LI> The class contains unknown datatypes
   * <LI> The class does not have an accessible no-arg constructor
   * </UL>
   *
   * @author  unascribed
   * @since   JDK1.1
   */
  public class InvalidClassException extends ObjectStreamException {
  
      private static final long serialVersionUID = -4333316296251054416L;
  
      /**
       * Name of the invalid class.
       *
       * @serial Name of the invalid class.
       */
      public String classname;
  
      /**
       * Report an InvalidClassException for the reason specified.
       *
       * @param reason  String describing the reason for the exception.
       */
      public InvalidClassException(String reason) {
          super(reason);
      }
  
      /**
       * Constructs an InvalidClassException object.
       *
       * @param cname   a String naming the invalid class.
       * @param reason  a String describing the reason for the exception.
       */
      public InvalidClassException(String cname, String reason) {
          super(reason);
          classname = cname;
      }
  
      /**
       * Produce the message and include the classname, if present.
       */
      public String getMessage() {
          if (classname == null)
              return super.getMessage();
          else
              return classname + "; " + super.getMessage();
      }
  }
  