01: /*
02: * Copyright 2005-2006 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 javax.lang.model.element;
27:
28: /**
29: * Indicates that an unknown kind of annotation value was encountered.
30: * This can occur if the language evolves and new kinds of annotation
31: * values can be stored in an annotation. May be thrown by an
32: * {@linkplain AnnotationValueVisitor annotation value visitor} to
33: * indicate that the visitor was created for a prior version of the
34: * language.
35: *
36: * @author Joseph D. Darcy
37: * @author Scott Seligman
38: * @author Peter von der Ahé
39: * @version 1.10 07/05/05
40: * @see AnnotationValueVisitor#visitUnknown
41: * @since 1.6
42: */
43: public class UnknownAnnotationValueException extends RuntimeException {
44:
45: private static final long serialVersionUID = 269L;
46:
47: private transient AnnotationValue av;
48: private transient Object parameter;
49:
50: /**
51: * Creates a new {@code UnknownAnnotationValueException}. The
52: * {@code p} parameter may be used to pass in an additional
53: * argument with information about the context in which the
54: * unknown annotation value was encountered; for example, the
55: * visit methods of {@link AnnotationValueVisitor} may pass in
56: * their additional parameter.
57: *
58: * @param av the unknown annotation value, may be {@code null}
59: * @param p an additional parameter, may be {@code null}
60: */
61: public UnknownAnnotationValueException(AnnotationValue av, Object p) {
62: super ("Unknown annotation value: " + av);
63: this .av = av;
64: this .parameter = p;
65: }
66:
67: /**
68: * Returns the unknown annotation value.
69: * The value may be unavailable if this exception has been
70: * serialized and then read back in.
71: *
72: * @return the unknown element, or {@code null} if unavailable
73: */
74: public AnnotationValue getUnknownAnnotationValue() {
75: return av;
76: }
77:
78: /**
79: * Returns the additional argument.
80: *
81: * @return the additional argument
82: */
83: public Object getArgument() {
84: return parameter;
85: }
86: }
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