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 */ EnumConstantNotPresentException(Class<? extends Enum> enumType, String constantName)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 */ enumType()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 */ constantName()78 public String constantName() { return constantName; } 79 } 80