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  }