1 /* 2 * Copyright (c) 2003, 2020, 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.annotation; 27 28 /** 29 * Thrown to indicate that a program has attempted to access an element of 30 * an annotation interface that was added to the annotation interface definition 31 * after the annotation was compiled (or serialized). This exception will not be 32 * thrown if the new element has a default value. 33 * This exception can be thrown by the {@linkplain 34 * java.lang.reflect.AnnotatedElement API used to read annotations 35 * reflectively}. 36 * 37 * @author Josh Bloch 38 * @see java.lang.reflect.AnnotatedElement 39 * @since 1.5 40 */ 41 public class IncompleteAnnotationException extends RuntimeException { 42 @java.io.Serial 43 private static final long serialVersionUID = 8445097402741811912L; 44 45 /** 46 * The annotation interface. 47 */ 48 private Class<? extends Annotation> annotationType; 49 /** 50 * The element name. 51 */ 52 private String elementName; 53 54 /** 55 * Constructs an IncompleteAnnotationException to indicate that 56 * the named element was missing from the specified annotation interface. 57 * 58 * @param annotationType the Class object for the annotation interface 59 * @param elementName the name of the missing element 60 * @throws NullPointerException if either parameter is {@code null} 61 */ IncompleteAnnotationException( Class<? extends Annotation> annotationType, String elementName)62 public IncompleteAnnotationException( 63 Class<? extends Annotation> annotationType, 64 String elementName) { 65 super(annotationType.getName() + " missing element " + 66 elementName.toString()); 67 68 this.annotationType = annotationType; 69 this.elementName = elementName; 70 } 71 72 /** 73 * Returns the Class object for the annotation interface with the 74 * missing element. 75 * 76 * @return the Class object for the annotation interface with the 77 * missing element 78 */ annotationType()79 public Class<? extends Annotation> annotationType() { 80 return annotationType; 81 } 82 83 /** 84 * Returns the name of the missing element. 85 * 86 * @return the name of the missing element 87 */ elementName()88 public String elementName() { 89 return elementName; 90 } 91 } 92