/* * 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: * <ul> * <li>The SUIDs of the class loaded by the VM and the serialized class info do * not match.</li> * <li>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.</li> * </ul> * * @see ObjectInputStream #readObject() * @see ObjectInputValidation#validateObject() */ public class InvalidClassException extends ObjectStreamException { private static final long serialVersionUID = -4333316296251054416L; /** * 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; } }