前工作中也用CXF,但都是用别人现成搭好的环境,这次自己重头搭建一遍环境。过程中也有遇到的问题,也做了简单的整理。
对于CXF是干什么用的,我不想多说,大家都知道这是我们在java编程中webService技术的一种实现工具。我们说说为什么用CXF来实现webService:
1.??????Java的webService实现本身就是一个很耗性能的实现方案(xml与java对象之间在服务端以及客户端的互转比较消耗性能)
2.??????目前java主流的webService应用以CXF、AXIS2为主;
3.??????通过网络渠道的了解,目前CXF的效率要比AXIS2高出至少50%;
4.??????另外有一个webService的工具metro的效率比CXF高出10%;
5.??????CXF的实现资料网上可以随便找出一大堆,metro的资料相对少一些;
6.??????CXF在java应用实现中已经很成熟,企业更倾向于用这样一个成熟的解决方案;
基于以上原因,我选择CXF来实现webService。
参考资料:
Java Web 服务: CXF 性能比较----CXF 与最新版本的 Axis2 和 Metro 之间的性能对比
http://www.ibm.com/developerworks/cn/java/j-jws14/
?
一 ? 以annotation注解方式实现发布webService应用
1、? 基础环境
新建java web工程cxf之后,下载cxf工具包。解压CXF之后,把cxf工具包lib下的jar包全部放到工程的lib下。
此处用到的cxf工具包版本为:apache-cxf-2.7.12
下载地址:
http://www.apache.org/dyn/closer.cgi?path=/cxf/2.7.12/apache-cxf-2.7.12.zip
?
2、? 编写服务接口
见文件HelloWorld.java
- package?com.hsy.server;??
- ??
- import?java.util.List;??
- import?javax.jws.WebParam;??
- import?javax.jws.WebService;??
- ??
- import?com.hsy.pojo.User;??
- @WebService??
- public?interface?HelloWorld?{??
- ????String?sayHi(@WebParam(name="text")String?text);??
- ????String?sayHiToUser(User?user);??
- ????String[]?SayHiToUserList(List<User>?userList);??
- }??
?
3、? 服务接口实现
见文件HelloWorldImpl.java
import?java.util.LinkedHashMap;??
- import?java.util.List;??
- import?java.util.Map;??
- @WebService(endpointInterface="com.hsy.server.HelloWorld",serviceName="HelloWorld")??
- class?HelloWorldImpl?implements?HelloWorld?{??
- ????Map<Integer,?User>?users?=?new?LinkedHashMap<Integer,?User>();??
- ????public?String?sayHi(@WebParam(name?=?"text")?String?text)?{??
- ????????return?"Hello,"+text;??
- ????}??
- public?String?sayHiToUser(User?user)?{??
- ????????users.put(users.size()+1,?user);??
- ????????+user.getName();??
- ????}??
- ????public?String[]?SayHiToUserList(List<User>?userList)?{??
- ????????String[]?result?=?new?String[userList.size()];??
- int?i?=?0;??
- for(User?u:userList){??
- ????????????result[i]?=?"Hello?"?+?u.getName();??
- ????????????i++;??
- ????????}??
- return?result;??
- ?????
- ?
- ??
- static?void?main(String[]?args)?{??
- ??????????
- }??
4、? 发布服务app
见文件webServiceApp.java
import?javax.xml.ws.Endpoint;??
- class?webServiceApp?{??
- ?????????System.out.println("web?service?start");??
- ?????????HelloWorldImpl?implementor?=?new?HelloWorldImpl();??
- ?????????String?address?=?"http://localhost:8080/helloWorld";??
- ?????????Endpoint.publish(address,?implementor);??
- ?????????System.out.println("web?service?started");??
- }??
右键 run as 选择java application发布服务;然后在浏览器输入地址:http://localhost:8080/helloWorld?wsdl
如图:20140805132120.jpg
说明webService服务发布成功。
?
5、? 客户端访问服务
见文件HelloWorldClient.java
package?com.hsy.client;??
- import?org.apache.cxf.jaxws.JaxWsProxyFactoryBean;??
- import?com.hsy.pojo.User;??
- import?com.hsy.server.HelloWorld;??
- class?HelloWorldClient?{??
- ?????
- ?????*?@param?args?
- ?????*/??
- void?main(String[]?args)?{??
- ??????????
- //首先右键run?as?运行com.hsy.server.webServiceApp类,然后再运行这段客户端代码??
- ????????JaxWsProxyFactoryBean?jwpfb?=?new?JaxWsProxyFactoryBean();??
- ????????jwpfb.setServiceClass(HelloWorld.class);??
- ????????jwpfb.setAddress("http://localhost:8080/helloWorld");??
- ????????HelloWorld?hw?=?(HelloWorld)?jwpfb.create();??
- ????????User?user?=?new?User();??
- ????????user.setName("马克思");??
- ????????user.setDescription("怀念马克思");??
- ????????System.out.println(hw.sayHiToUser(user));??
- }??
右键 run as 选择java application,控制台打印如图:
20140805132610.jpg
Ok,客户端访问也成功了。
6、? 附:
User.java
package?com.hsy.pojo;??
- import?java.io.Serializable;??
- @SuppressWarnings("serial")??
- class?User?implements?Serializable?{??
- private?String?id;??
- private?String?name;??
- private?String?age;??
- private?String?description;??
- ??????
- public?User()?{??
- super();??
- public?String?getId()?{??
- return?id;??
- void?setId(String?id)?{??
- this.id?=?id;??
- public?String?getName()?{??
- return?name;??
- void?setName(String?name)?{??
- this.name?=?name;??
- public?String?getAge()?{??
- return?age;??
- void?setAge(String?age)?{??
- this.age?=?age;??
- public?String?getDescription()?{??
- return?description;??
- void?setDescription(String?description)?{??
- this.description?=?description;??
- ??????
- }??
?
二与spring集成实现webService
1、? 配置web.xml
见文件web.xml
<?xml?version="1.0"?encoding="UTF-8"?>??
- <web-app?xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"?xmlns="http://java.sun.com/xml/ns/javaee"?xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"?xsi:schemaLocation="http://java.sun.com/xml/ns/javaee?http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"?id="WebApp_ID"?version="2.5">??
- ??display-name>cxf</>??
- ??welcome-file-list ????welcome-file>index.html ????>index.htm>index.jsp>default.html>default.htm>default.jsp ????
- context-param ????????param-name>contextConfigLocation ????????param-value>WEB-INF/classes/applicationContext.xmllistenerlistener-class ??????????????org.springframework.web.context.ContextLoaderListener??
- servletservlet-name>CXFServletservlet-class ???????????????org.apache.cxf.transport.servlet.CXFServlet??
- load-on-startup>1servlet-mapping ????????? ?????????url-pattern>/webservice/* ????
- ??????
- filter>????
- filter-name>encoding>????
- filter-class>org.springframework.web.filter.CharacterEncodingFilterinit-param ???????????? ????????????>UTF-8>forceEncoding>true ????????
- ????????
- filter-mapping>*.jsp>*.html>*.do>*.action>???
- >*.3g>?????
- web-app>??
?
2、? 配置applicationContext.xml
见文件applicationContext.xml
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-extension-soap.xml"/>??
- import?resource="classpath:META-INF/cxf/cxf-servlet.xml"jaxws:endpoint???
- ?????????????id="helloWorld"??
- ?????????????implementor="com.hsy.server.HelloWorldImpl"??
- ?????????????address="/helloWorld"? ?????bean?id="client"???
- ????????????class="com.hsy.server.HelloWorld"???
- ????????????factory-bean="clientFactory"???
- ????????????factory-method="create" ?????bean?id="clientFactory"?class="org.apache.cxf.jaxws.JaxWsProxyFactoryBean"property?name="serviceClass"?value="com.hsy.server.HelloWorld"property?name="address"?value="http://localhost:8080/cxf/webservice/helloWorld"bean ???????
- beans>??
?
3、? 修改客户端代码
见文件copy
import?java.util.ArrayList;??
- import?org.springframework.beans.factory.BeanFactory;??
- import?org.springframework.beans.factory.xml.XmlBeanFactory;??
- import?org.springframework.context.ApplicationContext;??
- import?org.springframework.context.support.ClassPathXmlApplicationContext;??
- import?org.springframework.core.io.FileSystemResource;??
- import?org.springframework.core.io.Resource;??
- //Resource?resource=?new?FileSystemResource("F:/workspaces4me2013/.metadata/.me_tcat/WEB-INF/classes/applicationContext.xml");?????
- ??????????
- ????????ApplicationContext?factory?=?new?ClassPathXmlApplicationContext("/applicationContext.xml");??
- ????????HelloWorld?client?=?(HelloWorld)factory.getBean("client");??
- ????????User?user1?=?new?User();??
- ????????user1.setName("马克思");??
- ????????user1.setDescription("怀念马克思");??
- ????????User?user2?=? ????????user2.setName("恩格斯");??
- ????????user2.setDescription("怀念恩格斯");??
- ????????List<User>?userList=?new?ArrayList<User>();??
- ????????userList.add(user1);??
- ????????userList.add(user2);??
- ????????String[]?res?=?client.SayHiToUserList(userList);??
- ????????System.out.println(res[0]);??
- ????????System.out.println(res[1]);????
- ??????????
- }??
?
4、? 启动tamcat发布webService
然后在浏览器输入地址:http://localhost:8080/cxf/webservice/helloWorld?wsdl
如图:20140805133642.jpg
说明webService服务发布成功。
?
5、? 运行客户端代码访问webService
右键 run as 选择java application,控制台打印如图:
20140805134838.jpg
Ok,客户端访问也成功了。
?此篇实现了webService服务的发布以及在本工程下的客户端调用服务的示例,或许不是很直观。
请看下一篇:CXF客户端代码生成与服务调用(二)
http://blog.csdn.net/hu_shengyang/article/details/38384839
本文参照了:使用?CXF做?webservice简单例子
http://www.cnblogs.com/frankliiu-java/articles/1641949.html
(编辑:李大同)
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