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WebService CXF学习(高级篇1):整合Spring框架

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通过前面两节的讲解,相信你对CXF框架开始有一些认识了。在当今项目开发中,Spring框架基上都用到过,那么它怎么与CXF结合呢,这就是我们这一间要讲的内容。好了,闲话少说。
    首先,在前面基础上再导入几个spring要用到的几个.jar包:
    spring-core.jar
    spring-jdbc.jar
    spring-context.jar
    spring-orm.jar
    spring-beans.jar
    spring-tx.jar
    包导入完之后,我们还不能开如干活,配置几荐参数,便于下一步工作。
    配置CXF框架
    我的电脑->属性->高级->环境变量
    创建一个CXF_HOEM变量,值为CXF框架所在根目录,修改一下
    CLASSPATH=%CXF_HOME%/lib;PATH=%CXF_HOME%/bin;这时有会问为什么要配置这两个参数据呢,其实配置这两个参数用途与配置JAVA变量一下,在DOS窗口下直接运行java2ws,wsdl2java等可执行文件。当然你没有配置也可以进到CXF框架的bin目录下远行这个几个可执行文件。
   配置好了后,你在DOS窗口下输入java2ws,看看配置是否效。肯定没有成功,原因是使用6.0的JDK,我们还得在%JAVA_HOME%/jre/lib目录下创建一下endorsed文件夹,将jaxb-api.jar,jaxws.jar拷贝进去。现在再运一下java2ws,成功运行,配置生效了。
    基本工作做得差不多,整合spring框架正式开始:
    第一步:新一个web project,导入要用到.jar包,其实CXF利用org.apache.cxf.transport.servlet.CXFServlet来拦截所有web请求,将其配置到web.xml中。配置如下:
Java代码 
<web-app>   
    <context-param>   
        <param-name>contextConfigLocation</param-name>   
        <param-value>   
            /WEB-INF/classes/applicationContext-*.xml,/WEB-INF/classes/webservice.xml   
        </param-value>   
    </context-param>   
  
    <listener>   
        <listener-class>   
            org.springframework.web.context.ContextLoaderListener   
        </listener-class>   
    </listener>   
  
    [color=red]<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>[/color]   
</web-app>  

<web-app>
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>
			/WEB-INF/classes/applicationContext-*.xml,/WEB-INF/classes/webservice.xml
		</param-value>
	</context-param>

	<listener>
		<listener-class>
			org.springframework.web.context.ContextLoaderListener
		</listener-class>
	</listener>

	[color=red]<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>[/color]
</web-app>

      注意一下绿色字体
      CXF框架配置好了,我就来开发一个WebService接口
Java代码 
  
  @WebService  
     public interface IService {   
  
//public void save(@WebParam(name="info")String xml);   
public void save(@WebParam(name="dto")UserInfoDTO dto,@WebParam(name="flag")boolean flag);   
public void update(@WebParam(name="info")String xml);   
public void delete(@WebParam(name="id")int id);   
public @WebResult(name="String")String get(@WebParam(name="id")int id);   
    }  

      @WebService
      public interface IService {

	//public void save(@WebParam(name="info")String xml);
	public void save(@WebParam(name="dto")UserInfoDTO dto,@WebParam(name="flag")boolean flag);
	public void update(@WebParam(name="info")String xml);
	public void delete(@WebParam(name="id")int id);
	public @WebResult(name="String")String get(@WebParam(name="id")int id);
     }

    这里面有四个方法,其中有一个涉及到对象,这一点前面一节讲到怎么处理它。放在这里是再回顾前节内容。
    创建一个WebService接口实现类
    Java代码 
   @WebService  
   public class ServiceImpl implements IService {   
private Logger log = LoggerFactory.getLogger(ServiceImpl.class);   
  
public void delete(int id) {   
    log.info("delete id is {} user"+id);   
}   
  
public void save(UserInfoDTO dto,boolean flag) {   
    System.out.println("name:"+dto.getName());   
}   
  
public void update(String xml) {   
}   
  
public String get(int id){   
    return null;   
}   
  }   
     

    @WebService
    public class ServiceImpl implements IService {
	private Logger log = LoggerFactory.getLogger(ServiceImpl.class);

	public void delete(int id) {
		log.info("delete id is {} user"+id);
	}

	public void save(UserInfoDTO dto,boolean flag) {
		System.out.println("name:"+dto.getName());
	}

	public void update(String xml) {
	}
	
	public String get(int id){
		return null;
	}
   }
   
   由于本节只讲解与Spring整合,没有涉及到数据库,因就打印一下传递过来的对象内容来证明整合成功。与spring,hibernate整合后面章节会讲到,请留意后面章节。
   传递对象,当然创建对象啦
Java代码 
 @XmlType(name="ServerUserInfo")   
  @XmlAccessorType(XmlAccessType.FIELD)   
  public class UserInfoDTO implements java.io.Serializable {   
  
private static final long serialVersionUID = -4666026219400887433L;   
private Integer id;   
private String name;   
private Integer age;   
private Integer address;   
  
public Integer getId() {   
    return id;   
}   
  
public void setId(Integer id) {   
    this.id = id;   
}   
  
public String getName() {   
    return name;   
}   
  
public void setName(String name) {   
    this.name = name;   
}   
  
public Integer getAge() {   
    return age;   
}   
  
public void setAge(Integer age) {   
    this.age = age;   
}   
  
public Integer getAddress() {   
    return address;   
}   
  
public void setAddress(Integer address) {   
    this.address = address;   
}   
  
public UserInfoDTO() {   
}   
  
   }  

   @XmlType(name="ServerUserInfo")
   @XmlAccessorType(XmlAccessType.FIELD)
   public class UserInfoDTO implements java.io.Serializable {

	private static final long serialVersionUID = -4666026219400887433L;
	private Integer id;
	private String name;
	private Integer age;
	private Integer address;

	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public Integer getAge() {
		return age;
	}

	public void setAge(Integer age) {
		this.age = age;
	}

	public Integer getAddress() {
		return address;
	}

	public void setAddress(Integer address) {
		this.address = address;
	}

	public UserInfoDTO() {
	}

    }

  做了这么多工作,有人又会问,怎么现在做的与spring框架就没一点联系,呵呵,确实是这样。开戏开场了,利用Spring来发布WebService接口:
Java代码 
<?xml version="1.0" encoding="UTF-8"?>   
<beans xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
    [color=red]xmlns:jaxws="http://cxf.apache.org/jaxws"[/color]   
    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/schemas/jaxws.xsd">   
    [color=red]   
        <!--导入与CXF框架有关的xml-->   
        <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" />[/color]   
  
        <!--布布WebService接口-->   
    <jaxws:endpoint id="service"  
        implementor="com.itdcl.service.ServiceImpl" address="/Service">   
           
    </jaxws:endpoint>   
</beans>  

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	[color=red]xmlns:jaxws="http://cxf.apache.org/jaxws"[/color]
	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/schemas/jaxws.xsd">
	[color=red]
        <!--导入与CXF框架有关的xml-->
        <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" />[/color]

        <!--布布WebService接口-->
	<jaxws:endpoint id="service"
		implementor="com.itdcl.service.ServiceImpl" address="/Service">
		
	</jaxws:endpoint>
</beans>

     服务端开发工作基本结束。现在打包部署到Tomcat6.0.18(本人目前使用的测试服务器,你当然可以使用别的服务器)
    服务器启动完成后,打开浏览器在地址栏中输入http://localhost:port/project name/Service?wsdl看看接口是否发成功。
    接下来就是开发一个客户端了。
    另建一个web project,现在前面的参数配置要起作用了,cmd进入DOS环境下输入wsdl2java -p com.itdcl.service(自定义包名) http://localhost:port/project name/Service?wsdl(前提是服务器没停止)
    敲击Enter,wsdl2java工具帮你将发布出来的wsdl文件转换成webservice接口,到指定目录下将com.itdcl.service拷到刚才另建的web project的src目录下。
    现在,我们就来创建一个客户端程序:
Java代码 
   public class SampleClient {   
  
ublic static void main(String[] args) {   
ApplicationContext context = new ClassPathXmlApplicationContext(   
        "beans.xml");   
     
 IService service = (IService)context.getBean("service");   
 ServerUserInfo userInfo = new ServerUserInfo();   
 userInfo.setAddress(1);   
 userInfo.setAge(100);   
 userInfo.setName("Jason");   
  
 service.save(userInfo,true);   
 service.delete(1);   
  
  
 }  

      public class SampleClient {

	public static void main(String[] args) {
		ApplicationContext context = new ClassPathXmlApplicationContext(
				"beans.xml");
    
		 IService service = (IService)context.getBean("service");
		 ServerUserInfo userInfo = new ServerUserInfo();
		 userInfo.setAddress(1);
		 userInfo.setAge(100);
		 userInfo.setName("Jason");

		 service.save(userInfo,true);
		 service.delete(1);
	}

   }

    看得仔细的朋友就会问了,ServerUserInfo 这个类那来的,你进到com.itdcl.service目录下就会看到,是WebService发布出来的。
    到目前为止,客户端还没有完成,你没有看到程序中ApplicationContext context = new ClassPathXmlApplicationContext("beans.xml");这个bean.xml就是spring框架来注删除WebService接口的。好啦,创建一个bean.xml,内容如下:
Java代码 
  <?xml version="1.0" encoding="UTF-8"?>   
  <beans xmlns="http://www.springframework.org/schema/beans"  
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
[color=red]xmlns:jaxws="http://cxf.apache.org/jaxws[/color]"  
xsi:schemaLocation="   
    http://www.springframework.org/schema/beans    
    http://www.springframework.org/schema/beans/spring-beans-2.0.xsd   
    [color=red]http://cxf.apache.org/jaxws    
    http://cxf.apache.org/schemas/jaxws.xsd[/color]">   
<jaxws:client id="service"  
    address="http://localhost:9999/cxf/Service"  
    serviceClass="com.itdcl.service.IService" />   
  </beans>  

   <?xml version="1.0" encoding="UTF-8"?>
   <beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	[color=red]xmlns:jaxws="http://cxf.apache.org/jaxws[/color]"
	xsi:schemaLocation="
		http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
		[color=red]http://cxf.apache.org/jaxws 
		http://cxf.apache.org/schemas/jaxws.xsd[/color]">
	<jaxws:client id="service"
		address="http://localhost:9999/cxf/Service"
		serviceClass="com.itdcl.service.IService" />
   </beans>

    留意一下绿色字体
    剩下的事就是运行客户端程序了,没有异常抛出,打印出:name:Josen,则恭喜你CXF框架与Spring整合成功。
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