Here you can find the source of getMethodAnnotation(Method method, Class annotation)
public static Annotation getMethodAnnotation(Method method, Class annotation)
//package com.java2s; /*// www. j a v a2 s . c o m * The MIT License * * Copyright 2015 Ned Hyett. * * 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.annotation.Annotation; import java.lang.reflect.Method; public class Main { public static Annotation getMethodAnnotation(Method method, Class annotation) { return method.getAnnotation(annotation); } public static Annotation getMethodAnnotation(Class container, String method, Class<?>[] parameterTypes, Class annotation) { try { if (parameterTypes == null) { return getMethodAnnotation(container.getDeclaredMethod(method), annotation); } return getMethodAnnotation(container.getDeclaredMethod(method, parameterTypes), annotation); } catch (NoSuchMethodException e) { e.printStackTrace(); return null; } } }