| 1 | /* |
| 2 | * Copyright 2005-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * 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 | * @see AnnotationValueVisitor#visitUnknown |
| 40 | * @since 1.6 |
| 41 | */ |
| 42 | public class UnknownAnnotationValueException extends RuntimeException { |
| 43 | |
| 44 | private static final long serialVersionUID = 269L; |
| 45 | |
| 46 | private transient AnnotationValue av; |
| 47 | private transient Object parameter; |
| 48 | |
| 49 | /** |
| 50 | * Creates a new {@code UnknownAnnotationValueException}. The |
| 51 | * {@code p} parameter may be used to pass in an additional |
| 52 | * argument with information about the context in which the |
| 53 | * unknown annotation value was encountered; for example, the |
| 54 | * visit methods of {@link AnnotationValueVisitor} may pass in |
| 55 | * their additional parameter. |
| 56 | * |
| 57 | * @param av the unknown annotation value, may be {@code null} |
| 58 | * @param p an additional parameter, may be {@code null} |
| 59 | */ |
| 60 | public UnknownAnnotationValueException(AnnotationValue av, Object p) { |
| 61 | super("Unknown annotation value: " + av); |
| 62 | this.av = av; |
| 63 | this.parameter = p; |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Returns the unknown annotation value. |
| 68 | * The value may be unavailable if this exception has been |
| 69 | * serialized and then read back in. |
| 70 | * |
| 71 | * @return the unknown element, or {@code null} if unavailable |
| 72 | */ |
| 73 | public AnnotationValue getUnknownAnnotationValue() { |
| 74 | return av; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Returns the additional argument. |
| 79 | * |
| 80 | * @return the additional argument |
| 81 | */ |
| 82 | public Object getArgument() { |
| 83 | return parameter; |
| 84 | } |
| 85 | } |