     1 /*
     2  * Copyright (c) 2003, 2019, 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     @java.io.Serial
    43     private static final long serialVersionUID = 8445097402741811912L;
    44
    45     private Class<? extends Annotation> annotationType;
    46     private String elementName;
    47
    48     /**
    49      * Constructs an IncompleteAnnotationException to indicate that
    50      * the named element was missing from the specified annotation type.
    51      *
    52      * @param annotationType the Class object for the annotation type
    53      * @param elementName the name of the missing element
    54      * @throws NullPointerException if either parameter is {@code null}
    55      */
    56     public IncompleteAnnotationException(
    57             Class<? extends Annotation> annotationType,
    58             String elementName) {
    59         super(annotationType.getName() + " 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 }