网上关于XFire入门的教程不少,要么是讲得很简单,就像Hello World一样的程序,要么就是通过IDE集成的工具来开发的,这对于不同的人群有诸多不便,关于XFire的一些详细的信息就不再多讲,可以参考官方网站和相关的文档,这里讲一个完整的入门实例。
实例中包括三个情况,我想基本上可以概括所有的需求,或者自己稍加扩展即可。先来看看我们的Interface。
1package test;
2
3import java.util.List;
4
5public interface IHelloService {
6 public String sayHello(String ttt);
7
8 public Course choose(User u);
9
10 public List test(List t);
11}
这其中包含了简单对象的传递,对象的传递,List的传递。
具体的开发步骤如下: 1、定义Web Service的接口,代码见上面的接口定义。
2、实现接口和业务逻辑,代码如下:
1package test;
2
3import java.util.ArrayList;
4import java.util.List;
5
6public class HelloServiceImpl implements IHelloService {
7
8 public String sayHello(String ttt) {
9 return "Hello, "+ttt;
10 }
11
12 public Course choose(User u){
13 System.out.println(u.getName());
14 Course c=new Course();
15 c.setName("Eee");
16 return c;
17
18 }
19
20 public List test(List t){
21 for (int i = 0; i < t.size(); i++) {
22 System.out.println((String) t.get(i));
23 }
24 List al=new ArrayList();
25 Course c=new Course();
26 c.setName("EeeDDDDDD");
27 al.add(c);
28 return al;
29
30 }
31}
用到的User和Course两个类的代码如下:
package test;
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public class User {
4
private String name;
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public String getName() {
7
return name;
8
}
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public void setName(String name) {
11
this.name = name;
12
}
13
}
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package test;
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public class Course {
4
private String name;
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public String getName() {
7
return name;
8
}
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public void setName(String name) {
11
this.name = name;
12
}
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14
}
3、编写XFire要求的WebSevice定义描述文件,如下:
<?xml version="1.0" encoding="UTF-8"?>
2
<beans xmlns="http://xfire.codehaus.org/config/1.0">
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4
<service>
5
<name>HelloService</name>
6
<namespace>http://test/HelloService</namespace>
7
<serviceClass>test.IHelloService</serviceClass>
8
<implementationClass>test.HelloServiceImpl</implementationClass>
9
</service>
10
11
</beans>
此文件放在src/META-INF/xfire/services.xml,编译时会自动编译到classes的相应目录下面。
4、因为我们用到了List等集合类型,所以需要定义Mapping关系,文件名为:src/test/IHelloService.aegis.xml,代码如下:
1
<?xml version="1.0" encoding="UTF-8"?>
2
<mappings>
3
<mapping>
4
<method name="test">-----接口中方法名
5
<parameter index="0" componentType="java.lang.String" />-----接受的参数类型,index--第几个参数
6
<return-type componentType="test.Course" />-----List内对象的完整类名
7
</method>
8
</mapping>
9
</mappings>
请注意,此文件一定要放到与IHelloService.java相同的目录下面,否则会出错。
5、在Web.xml中配置XFire需要用到的Servlet,代码如下:
<?xml version="1.0" encoding="UTF-8"?>
2
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
3
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
5
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
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7
<servlet>
8
<servlet-name>XFireServlet</servlet-name>
9
<servlet-class>
10
org.codehaus.xfire.transport.http.XFireConfigurableServlet
11
</servlet-class>
12
</servlet>
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14
<servlet-mapping>
15
<servlet-name>XFireServlet</servlet-name>
16
<url-pattern>/servlet/XFireServlet/*</url-pattern>
17
</servlet-mapping>
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19
<servlet-mapping>
20
<servlet-name>XFireServlet</servlet-name>
21
<url-pattern>/services/*</url-pattern>
22
</servlet-mapping>
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25
<welcome-file-list>
26
<welcome-file>index.jsp</welcome-file>
27
</welcome-file-list>
28
</web-app>
此时Web Service的服务端就开发完成了。 我们来看看客户端的代码吧,也很简单,如下:
1
package test;
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3
import java.net.MalformedURLException;
4
import java.util.ArrayList;
5
import java.util.List;
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7
import org.codehaus.xfire.XFireFactory;
8
import org.codehaus.xfire.client.XFireProxyFactory;
9
import org.codehaus.xfire.service.Service;
10
import org.codehaus.xfire.service.binding.ObjectServiceFactory;
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public class Client {
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public static void main(String[] args) {
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16
Service srvcModel = new ObjectServiceFactory()
17
.create(IHelloService.class);
18
XFireProxyFactory factory = new XFireProxyFactory(XFireFactory
19
.newInstance().getXFire());
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21
String helloWorldURL = "http://localhost:8080/xfiretest/services/HelloService";
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try {
23
IHelloService srvc = (IHelloService) factory.create(srvcModel,
24
helloWorldURL);
25
System.out.println(srvc.sayHello("Robin"));
26
27
User u=new User();
28
u.setName("RRRRR");
29
Course c=srvc.choose(u);
30
System.out.println(c.getName());
31
32
List al=new ArrayList();
33
al.add("1212");
34
al.add("2222");
35
List t=srvc.test(al);
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for (int i = 0; i < t.size(); i++) {
37
Course co=(Course)t.get(i);
38
System.out.println(co.getName());
39
}
40
41
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} catch (MalformedURLException e) {
43
e.printStackTrace();
44
}
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46
}
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48
}
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以上代码均无注释,因为都非常简单,呵呵。如有不清楚的地方,请留言!
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