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