1 /* 2 * Copyright (c) 2003, 2011, 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 type that was added to the annotation type definition after 31 * 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 private static final long serialVersionUID = 8445097402741811912L; 43 44 private Class<? extends Annotation> annotationType; 45 private String elementName; 46 47 /** 48 * Constructs an IncompleteAnnotationException to indicate that 49 * the named element was missing from the specified annotation type. 50 * 51 * @param annotationType the Class object for the annotation type 52 * @param elementName the name of the missing element 53 * @throws NullPointerException if either parameter is {@code null} 54 */ 55 public IncompleteAnnotationException( 56 Class<? extends Annotation> annotationType, 57 String elementName) { 58 super(annotationType.getName().toString() + 59 " missing element " + 60 elementName.toString()); 61 62 this.annotationType = annotationType; 63 this.elementName = elementName; 64 } 65 66 /** 67 * Returns the Class object for the annotation type with the 68 * missing element. 69 * 70 * @return the Class object for the annotation type with the 71 * missing element 72 */ 73 public Class<? extends Annotation> annotationType() { 74 return annotationType; 75 } 76 77 /** 78 * Returns the name of the missing element. 79 * 80 * @return the name of the missing element 81 */ 82 public String elementName() { 83 return elementName; 84 } 85 }