Web Service：Apache CXF简单例子
service框架用apache CXF，服务器tomcat ，还有spring框架OpenSource中关于CXF的简介：Apache CXF一个开源的Service框架，它实现了JCP与Web Service中一些重要标准。CXF简化了构造，集成，面向服务架构(SOA)业务组件与技术的灵活复用。在CXF中，Service使用WSDL标准定义并能够使用各种不同的消息格式(或binding)和网络协议(transports)包括SOAP、XML（通过HTTP或JMS）进行访问。CXF同样支持多种model 如：JAX-WS，JBI，SCA和CORBA service。CXF设计成可灵活部署到各种容器中包括Spring-based，JBI，SCA， Servlet和J2EE容器。
用CXF构建webservice程序的大致流程如下：
1 配置web.xml文件，加载CXF
2 编写java接口，和接口的实现
3 在spring的applicationContext.xml中配置java文件
4 创建beans.xml文件，里面配置接口的实现类
5 运行tomca服务器即可生成wsdl文件
6 编写测试代码：编写java测试文件和client-beans.xml文件
7编写运行客户端文件所需的服务器，可以单独编写，也可以在随tomcat启动
示例代码。首先下载cxf，然后解压，将lib下的所有jar包拷到工程下面
一 最简单的helloword
1 web.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>WEB-INF/beans.xml</param-value>
</context-param>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<servlet>
<servlet-name>CXFServlet</servlet-name>
<display-name>CXF Servlet</display-name>
<servlet-class>
org.apache.cxf.transport.servlet.CXFServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>CXFServlet</servlet-name>
<url-pattern>/*</url-pattern>
</servlet-mapping>
</web-app>
2 接口HelloWord.java和接口的实现HelloWordImpl.java
package com.demo;
import javax.jws.WebService;
/** *//**
* service interface
*
* @author
*
*/
@WebService
public interface HelloWord ...{
String sayHi(String text);
}
package com.demo;
import javax.jws.WebService;
/** *//**
* implementation
*
* @author
*
*/
@WebService
public class HelloWordImpl implements HelloWord ...{
public String sayHi(String text) ...{
return "Hi" + text;
}
}
3 beans.xml
<?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: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="helloWord"
implementor="com.demo.HelloWordImpl" address="/HelloWord" />
</beans>
4 启动tomcat服务器，在浏览器里面输入http://localhost:8888/helloword后页面上会出现
{http://demo.com/}HelloWordImplPort ，点击会看到生成的wsdl文件http://localhost:8888/helloword/HelloWord?wsdl
5 客户端Client.java和client-beans.xml
package com.demo;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public final class Client ...{
private Client() ...{
}
public static void main(String args[]) throws Exception ...{
// START SNIPPET: client
ApplicationContext context = new ClassPathXmlApplicationContext(
new String[] ...{ "com/demo/client-beans.xml" });
HelloWord client = (HelloWord) context.getBean("client");
String response = client.sayHi("+what????");
System.out.println("Response: " + response);
System.exit(0);
// END SNIPPET: client
}
}
<?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:jaxws="http://cxf.apache.org/jaxws"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://cxf.apache.org/jaxws http://cxf.apache.org/schema/jaxws.xsd">
<bean id="client" class="com.demo.HelloWord"
factory-bean="clientFactory" factory-method="create" />
<bean id="clientFactory"
class="org.apache.cxf.jaxws.JaxWsProxyFactoryBean">
<property name="serviceClass" value="com.demo.HelloWord" />
<property name="address"
value="http://localhost:9002/HelloWord" />
</bean>
</beans>
6 客户端运行时所需的服务器Server.java
package com.demo;
import org.mortbay.jetty.Connector;
import org.mortbay.jetty.Handler;
import org.mortbay.jetty.handler.DefaultHandler;
import org.mortbay.jetty.handler.HandlerCollection;
import org.mortbay.jetty.nio.SelectChannelConnector;
import org.mortbay.jetty.webapp.WebAppContext;
public class Server ...{
protected Server() throws Exception ...{
System.out.println("Starting Server");
org.mortbay.jetty.Server server = new org.mortbay.jetty.Server();
SelectChannelConnector connector = new SelectChannelConnector();
connector.setPort(9002);
server.setConnectors(new Connector[] ...{connector});
WebAppContext webappcontext = new WebAppContext();
webappcontext.setContextPath("/");
webappcontext.setWar("WebRoot");
HandlerCollection handlers = new HandlerCollection();
handlers.setHandlers(new Handler[] ...{webappcontext, new DefaultHandler()});
server.setHandler(handlers);
server.start();
System.out.println("Server ready...");
server.join();
}
public static void main(String args[]) throws Exception ...{
new Server();
}
}
7 运行客户端Client.java的顺序，先启动tomcat，然后运行Server.java，最后运行Client.java
二 不单独编写Server.java文件，让其和tomcat一同启动.需要改动的地方
1 web.xml
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value
页:
[1]