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8  * particular file as subject to the "Classpath" exception as provided
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12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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15  * accompanied this code).
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17  * You should have received a copy of the GNU General Public License version
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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      */
IncompleteAnnotationException( Class<? extends Annotation> annotationType, String elementName)55     public IncompleteAnnotationException(
56             Class<? extends Annotation> annotationType,
57             String elementName) {
58         super(annotationType.getName() + " missing element " +
59               elementName.toString());
60 
61         this.annotationType = annotationType;
62         this.elementName = elementName;
63     }
64 
65     /**
66      * Returns the Class object for the annotation type with the
67      * missing element.
68      *
69      * @return the Class object for the annotation type with the
70      *     missing element
71      */
annotationType()72     public Class<? extends Annotation> annotationType() {
73         return annotationType;
74     }
75 
76     /**
77      * Returns the name of the missing element.
78      *
79      * @return the name of the missing element
80      */
elementName()81     public String elementName() {
82         return elementName;
83     }
84 }
85