get Methods With Annotation - Java Reflection

Java examples for Reflection:Method

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Description

get Methods With Annotation

Demo Code

/*/*from  w  w w .j a v  a 2s  .c  o m*/
 * JBoss, Home of Professional Open Source
 * Copyright 2009, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//package com.java2s;
import java.lang.annotation.Annotation;

import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;

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

public class Main {
    public static List<Method> getMethodsWithAnnotation(
            final Class<?> source,
            final Class<? extends Annotation> annotationClass) {
        List<Method> declaredAccessableMethods = AccessController
                .doPrivileged(new PrivilegedAction<List<Method>>() {
                    public List<Method> run() {
                        List<Method> foundMethods = new ArrayList<Method>();
                        for (Method method : source.getDeclaredMethods()) {
                            if (method.isAnnotationPresent(annotationClass)) {
                                if (!method.isAccessible()) {
                                    method.setAccessible(true);
                                }
                                foundMethods.add(method);
                            }
                        }
                        return foundMethods;
                    }
                });
        return declaredAccessableMethods;
    }
}

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