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
26package javax.management;
27
28import java.io.IOException;
29import 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 */
40public 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 }
92