Java Reflection Annotation getAnnotation(Class at, Enum enu)

Description

get Annotation

License

Open Source License

Declaration

public static <E extends Annotation> E getAnnotation(Class<E> at, Enum<?> enu) 

Method Source Code

//package com.java2s;
/*/*from w ww . java  2  s.c o  m*/
 * Copyright (c) 2001-2011 Convertigo SA.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see<http://www.gnu.org/licenses/>.
 *
 * $URL$
 * $Author$
 * $Revision$
 * $Date$
 */

import java.lang.annotation.Annotation;

public class Main {
    public static <E extends Annotation> E getAnnotation(Class<E> at, Enum<?> enu) {
        try {
            return enu.getClass().getField(enu.name()).getAnnotation(at);
        } catch (Exception e) {
            // null if failed
        }
        return null;
    }
}

Related

1. getAnnotation(Class type, Class ann)
2. getAnnotation(Class type, Class annotationType)
3. getAnnotation(Class type, Class annotationClass)
4. getAnnotation(Class ac, AnnotatedElement m, Annotation... directAnnotations)
5. getAnnotation(Class annotationType, Class classType)
6. getAnnotation(Class realClass, String pAttributeName, Class annotationClass)
7. getAnnotation(Class a, Class c)
8. getAnnotation(Class annotation, Class ownerClass, Method method)
9. getAnnotation(Class annotationClass, Class cls)