01: /*
02: * Copyright 1996-2006 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package java.io;
27:
28: /**
29: * Thrown when the Serialization runtime detects one of the following
30: * problems with a Class.
31: * <UL>
32: * <LI> The serial version of the class does not match that of the class
33: * descriptor read from the stream
34: * <LI> The class contains unknown datatypes
35: * <LI> The class does not have an accessible no-arg constructor
36: * </UL>
37: *
38: * @author unascribed
39: * @version 1.30, 05/05/07
40: * @since JDK1.1
41: */
42: public class InvalidClassException extends ObjectStreamException {
43:
44: private static final long serialVersionUID = -4333316296251054416L;
45:
46: /**
47: * Name of the invalid class.
48: *
49: * @serial Name of the invalid class.
50: */
51: public String classname;
52:
53: /**
54: * Report an InvalidClassException for the reason specified.
55: *
56: * @param reason String describing the reason for the exception.
57: */
58: public InvalidClassException(String reason) {
59: super (reason);
60: }
61:
62: /**
63: * Constructs an InvalidClassException object.
64: *
65: * @param cname a String naming the invalid class.
66: * @param reason a String describing the reason for the exception.
67: */
68: public InvalidClassException(String cname, String reason) {
69: super (reason);
70: classname = cname;
71: }
72:
73: /**
74: * Produce the message and include the classname, if present.
75: */
76: public String getMessage() {
77: if (classname == null)
78: return super .getMessage();
79: else
80: return classname + "; " + super.getMessage();
81: }
82: }
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