1 /*
2 * Copyright (c) 2004, 2008, 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
26 package java.lang;
27
28 /**
29 * Thrown when an application tries to access an enum constant by name
30 * and the enum type contains no constant with the specified name.
31 * This exception can be thrown by the {@linkplain
32 * java.lang.reflect.AnnotatedElement API used to read annotations
33 * reflectively}.
34 *
35 * @author Josh Bloch
36 * @see java.lang.reflect.AnnotatedElement
37 * @since 1.5
38 */
39 public class EnumConstantNotPresentException extends RuntimeException {
40 private static final long serialVersionUID = -6046998521960521108L;
41
42 /**
43 * The type of the missing enum constant.
44 */
45 private Class<? extends Enum> enumType;
46
47 /**
48 * The name of the missing enum constant.
49 */
50 private String constantName;
51
52 /**
53 * Constructs an <tt>EnumConstantNotPresentException</tt> for the
54 * specified constant.
55 *
56 * @param enumType the type of the missing enum constant
57 * @param constantName the name of the missing enum constant
58 */
59 public EnumConstantNotPresentException(Class<? extends Enum> enumType,
60 String constantName) {
61 super(enumType.getName() + "." + constantName);
62 this.enumType = enumType;
63 this.constantName = constantName;
64 }
65
66 /**
67 * Returns the type of the missing enum constant.
68 *
69 * @return the type of the missing enum constant
70 */
71 public Class<? extends Enum> enumType() { return enumType; }
72
73 /**
74 * Returns the name of the missing enum constant.
75 *
76 * @return the name of the missing enum constant
77 */
78 public String constantName() { return constantName; }
79 }
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