Java Reflection Annotation getAnnotationsRecursive(final Class type, final Class annotationType)

Description

get Annotations Recursive

License

Open Source License

Declaration

public static <T extends Annotation> List<T> getAnnotationsRecursive(final Class<?> type,
            final Class<T> annotationType) 

Method Source Code

//package com.java2s;
/*//  w  w  w  . j a  va2 s  .com
 * #[license]
 * juniter-core
 * %%
 * Copyright (C) 2012 Tapio Rautonen
 * %%
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * %[license]
 */

import java.lang.annotation.Annotation;

import java.util.ArrayList;
import java.util.List;

public class Main {
    public static <T extends Annotation> List<T> getAnnotationsRecursive(final Class<?> type,
            final Class<T> annotationType) {
        List<T> annotations = new ArrayList<T>();
        Class<?> current = type;
        while (!Object.class.equals(current)) {
            T annotation = current.getAnnotation(annotationType);
            if (annotation != null) {
                annotations.add(annotation);
            }
            current = current.getSuperclass();
        }
        return annotations;
    }
}

Related

1. getAnnotations(Method method)
2. getAnnotations(Object instance)
3. getAnnotations(Set fields, Set methods)
4. getAnnotationsOf(Class annoClass)
5. getAnnotationsRecursive(Class clazz)
6. getAnnotationValue(@Nonnull Class cls, @Nonnull Class annotation, V def)
7. getAnnotationValue(Annotation annotation, String attributeName)
8. getAnnotationValue(Annotation annotation, String value, Class expectedType)
9. getAnnotationValue(Annotation annotation, String valueName)