Here you can find the source of getMethod(Class type, String methodName, Class>... parameterTypes)
Parameter | Description |
---|---|
type | class containing the method |
methodName | name of the method to search for |
parameterTypes | parameter types declared in the method signature |
public static Method getMethod(Class type, String methodName, Class<?>... parameterTypes)
//package com.java2s; /*//from w ww. ja v a 2 s. com * Copyright (c) 2012 Brown Bag Consulting. * This file is part of the ExpressUI project. * Author: Juan Osuna * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License Version 3 * as published by the Free Software Foundation with the addition of the * following permission added to Section 15 as permitted in Section 7(a): * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY * Brown Bag Consulting, Brown Bag Consulting DISCLAIMS THE WARRANTY OF * NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License. * * You can be released from the requirements of the license by purchasing * a commercial license. Buying such a license is mandatory as soon as you * develop commercial activities involving the ExpressUI software without * disclosing the source code of your own applications. These activities * include: offering paid services to customers as an ASP, providing * services from a web application, shipping ExpressUI with a closed * source product. * * For more information, please contact Brown Bag Consulting at this * address: juan@brownbagconsulting.com. */ import java.lang.reflect.*; public class Main { /** * Finds a method on a class. * * @param type class containing the method * @param methodName name of the method to search for * @param parameterTypes parameter types declared in the method signature * @return found method */ public static Method getMethod(Class type, String methodName, Class<?>... parameterTypes) { Method method = null; Class currentType = type; while (method == null && !currentType.equals(Object.class)) { try { method = currentType.getDeclaredMethod(methodName, parameterTypes); } catch (SecurityException e) { throw new RuntimeException(e); } catch (NoSuchMethodException e) { currentType = currentType.getSuperclass(); } } return method; } }