1 /*
   2  * Copyright (c) 1999, 2013, Oracle and/or its affiliates. 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.management;
  27 
  28 import java.io.IOException;
  29 import java.io.ObjectInputStream;
  30 
  31 
  32 /**
  33  * Thrown when an invalid MBean attribute is passed to a query
  34  * constructing method.  This exception is used internally by JMX
  35  * during the evaluation of a query.  User code does not usually
  36  * see it.
  37  *
  38  * @since 1.5
  39  */
  40 public class BadAttributeValueExpException extends Exception   {
  41 
  42 
  43     /* Serial version */
  44     private static final long serialVersionUID = -3105272988410493376L;
  45 
  46     /**
  47      * @serial A string representation of the attribute that originated this exception.
  48      * for example, the string value can be the return of {@code attribute.toString()}
  49      */
  50     private Object val;
  51 
  52     /**
  53      * Constructs a BadAttributeValueExpException using the specified Object to
  54      * create the toString() value.
  55      *
  56      * @param val the inappropriate value.
  57      */
  58     public BadAttributeValueExpException (Object val) {
  59         this.val = val == null ? null : val.toString();
  60     }
  61 
  62 
  63     /**
  64      * Returns the string representing the object.
  65      */
  66     public String toString()  {
  67         return "BadAttributeValueException: " + val;
  68     }
  69 
  70     private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
  71         ObjectInputStream.GetField gf = ois.readFields();
  72         Object valObj = gf.get("val", null);
  73 
  74         if (valObj == null) {
  75             val = null;
  76         } else if (valObj instanceof String) {
  77             val= valObj;
  78         } else if (System.getSecurityManager() == null
  79                 || valObj instanceof Long
  80                 || valObj instanceof Integer
  81                 || valObj instanceof Float
  82                 || valObj instanceof Double
  83                 || valObj instanceof Byte
  84                 || valObj instanceof Short
  85                 || valObj instanceof Boolean) {
  86             val = valObj.toString();
  87         } else { // the serialized object is from a version without JDK-8019292 fix
  88             val = System.identityHashCode(valObj) + "@" + valObj.getClass().getName();
  89         }
  90     }
  91  }