Java Reflection Method Annotation getMethodContainsAnnotations(Class target, Class annotation)

Description

get Method Contains Annotations

License

Open Source License

Declaration

public static List<Method> getMethodContainsAnnotations(Class target, Class annotation) 

Method Source Code

//package com.java2s;
/*/* w w  w .j  a  v a  2 s.c  o m*/
 * The MIT License
 *
 * Copyright 2015 Thaylon Guedes Santos.
 *
 * 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.
 */

import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public class Main {
    public static List<Method> getMethodContainsAnnotations(Class target, Class annotation) {
        List<Method> fieldsDaClasse = getMethods(target);
        return (List<Method>) fieldsDaClasse.stream()
                .filter((Method method) -> method.isAnnotationPresent(annotation)).collect(Collectors.toList());
    }

    public static List<Method> getMethods(Class target) {
        return Arrays.asList(target.getDeclaredMethods());
    }
}

Related

1. getMethodAnnotation(Method method, Class annotationType)
2. getMethodAnnotation(Method method, Class clazz)
3. getMethodAnnotationMap(Method method, Collection> annotationClasses)
4. getMethodAnnotations(Method m)
5. getMethodByAnnotation(Class cls, Class annotationClass)
6. getMethodInClassWithAnnotation(Class cls, Class annotationClass, int... modifiers)
7. getMethodLevelAnnotations(Class clazz, Class annotation)
8. getMethodName(final Class annoType, final Class klazType)
9. getMethodOrClassLevelAnnotation(Class annotationClass, Method method, Class clazz)