Here you can find the source of getWebServiceClass(Class> cls)
public static final Class<?> getWebServiceClass(Class<?> cls)
//package com.java2s; /**/*ww w .j a v a 2 s . c o m*/ * * Copyright (c) 2013, Linagora * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * */ import javax.jws.WebService; public class Main { public static final Class<?> getWebServiceClass(Class<?> cls) { if (cls == null) { return null; } if (null != cls.getAnnotation(WebService.class)) { return cls; } for (Class<?> inf : cls.getInterfaces()) { if (null != inf.getAnnotation(WebService.class)) { return inf; } } return getWebServiceClass(cls.getSuperclass()); } }