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/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package java.io;

/**
 * Signals a problem during the serialization or or deserialization of an
 * object. Possible reasons include:
 * 
    *
  • The SUIDs of the class loaded by the VM and the serialized class info do * not match.
  • *
  • A serializable or externalizable object cannot be instantiated (when * deserializing) because the no-arg constructor that needs to be run is not * visible or fails.
  • *
* * @see ObjectInputStream #readObject() * @see ObjectInputValidation#validateObject() */ public class InvalidClassException extends ObjectStreamException { /** * The fully qualified name of the class that caused the problem. */ public String classname; /** * Constructs a new {@code InvalidClassException} with its stack trace and * detailed message filled in. * * @param detailMessage * the detail message for this exception. */ public InvalidClassException(String detailMessage) { super(detailMessage); } /** * Constructs a new {@code InvalidClassException} with its stack trace, * detail message and the fully qualified name of the class which caused the * exception filled in. * * @param className * the name of the class that caused the exception. * @param detailMessage * the detail message for this exception. */ public InvalidClassException(String className, String detailMessage) { super(detailMessage); this.classname = className; } /** * Returns the detail message which was provided when the exception was * created. {@code null} is returned if no message was provided at creation * time. If a detail message as well as a class name are provided, then the * values are concatenated and returned. * * @return the detail message, possibly concatenated with the name of the * class that caused the problem. */ @Override public String getMessage() { String msg = super.getMessage(); if (classname != null) { msg = classname + "; " + msg; } return msg; } }




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