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Spring与apache CXF结合实例
本文的前提是已经有一个Spring的项目,在此基础上如何跟apache CXF进行结合,开发出WebService服务和调用WebService服务。
1.开发WebService
1.引入jar包
下载最新的jar包,并引入:\apache-cxf-3.0.1\lib\*(当然里面有些是不必要的,有兴趣的可以自己删减)。
2.修改web.xml
<servlet> <servlet-name>cxf</servlet-name> <servlet-class>org.apache.cxf.transport.servlet.CXFServlet</servlet-class> <load-on-startup>2</load-on-startup> </servlet> <servlet-mapping> <servlet-name>cxf</servlet-name> <url-pattern>/services/*</url-pattern> </servlet-mapping>
3.引入单独的spring配置文件cxf-servlet.xml
<?xml version="1.0" encoding="UTF-8"?><!-- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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. --><!-- START SNIPPET: beans --><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:jaxws="http://cxf.apache.org/jaxws" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd"> <import resource="classpath:META-INF/cxf/cxf.xml" /> <import resource="classpath:META-INF/cxf/cxf-servlet.xml" /> <jaxws:endpoint id="UserService" implementor="cn.telchina.standard.service.user.UserServiceImpl" address="/UserService" /></beans><!-- END SNIPPET: beans -->
上述代码中:
jaxsw:endpoint是关键。
在web.xml中加入配置
4.开发服务接口和服务实现类
接口类:
package cn.telchina.standard.service.user;import javax.jws.WebService;/** * 必须要有接口 * @author Administrator * */@WebServicepublic interface UserService { public boolean updateTheUser(String user); public boolean updateUsersCode(String user); }
接口实现类:
package cn.telchina.standard.service.user;import javax.jws.WebService;@WebService(endpointInterface = "cn.telchina.standard.service.user.UserService")public class UserServiceImpl implements UserService { @Override public boolean updateTheUser(String user) { // TODO Auto-generated method stub return false; } @Override public boolean updateUsersCode(String user) { // TODO Auto-generated method stub return false; }}
此时发布程序即可:
http://localhost:8080/cxfProject/services
http://localhost:8080/cxfProject/services/UserService?wsdl
2.调用WebService
调用CXF服务的方式有三种:
1.配置spring bean的方式
新增配置文件:client-beans,并在web.xml中配置。
Client-beans.xml内容
<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:oxm="http://www.springframework.org/schema/oxm" xmlns:jaxws="http://cxf.apache.org/jaxws" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm-3.0.xsd http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd"> <jaxws:client id="client" address="http://localhost:8080/cxfProject/services/UserService" serviceClass="cn.telchina.standard.service.user.UserService" /></beans>
java代码:
public static void invokeBySpring(){ // TODO Auto-generated method stub ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext( new String[] { "client-beans.xml" }); UserService client = (UserService) context.getBean("client"); boolean response = client.updateTheUser("Joe"); System.out.println("Response: " + response); }
2.CXF的方式
public static void invokeService(){ JaxWsProxyFactoryBean factory = new JaxWsProxyFactoryBean(); factory.setServiceClass(UserService.class); factory.setAddress("http://localhost:8080/cxfProject/services/UserService"); UserService service = (UserService) factory.create(); boolean response = service.updateTheUser("Joe"); System.out.println("#############"+response+"##############"); }
3.RPC方式
public static void invokeService2() throws Exception{ //这个是用cxf 客户端访问cxf部署的webservice服务 //千万记住,访问cxf的webservice必须加上namespace ,否则通不过 //现在又另外一个问题,传递过去的参数服务端接收不到 JaxWsDynamicClientFactory dcf = JaxWsDynamicClientFactory.newInstance(); org.apache.cxf.endpoint.Client client = dcf.createClient("http://localhost:8080/cxfProject/services/UserService?wsdl"); //url为调用webService的wsdl地址 QName name=new QName("http://user.service.standard.telchina.cn/","updateTheUser"); //namespace是命名空间,methodName是方法名 String xmlStr = "name"; //paramvalue为参数值 Object[] objects=client.invoke(name,xmlStr); //调用web Service//输出调用结果 System.out.println(objects[0].toString()); }
PS:
cxf的类库和axis2的类库不能放到一个项目中,否者会报错:
Invocation of init method failed; nested exception is java.lang.NoSuchFieldError: REFLECTION
Spring与apache CXF结合实例
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