網上關于XFire入門的教程不少，要么是講得很簡單，就像Hello World一樣的程序，要么就是通過IDE集成的工具來開發的，這對于不同的人群有諸多不便，關于XFire的一些詳細的信息就不再多講，可以參考官方網站和相關的文檔，這里講一個完整的入門實例。
實例中包括三個情況，我想基本上可以概括所有的需求，或者自己稍加擴展即可。先來看看我們的Interface。
?1
package
?test;
?2
?3 import ?java.util.List;
?4
?5 public ? interface ?IHelloService? {
?6 ???? public ?String?sayHello(String?ttt);
?7 ????
?8 ???? public ?Course?choose(User?u);
?9 ????
10 ???? public ?List??test(List?t);
11 }
?2
?3 import ?java.util.List;
?4
?5 public ? interface ?IHelloService? {
?6 ???? public ?String?sayHello(String?ttt);
?7 ????
?8 ???? public ?Course?choose(User?u);
?9 ????
10 ???? public ?List??test(List?t);
11 }
這其中包含了簡單對象的傳遞，對象的傳遞，List的傳遞。
具體的開發步驟如下：
1、定義Web Service的接口，代碼見上面的接口定義。
2、實現接口和業務邏輯，代碼如下：
?1
package
?test;
?2
?3 import ?java.util.ArrayList;
?4 import ?java.util.List;
?5
?6 public ? 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 }
?2
?3 import ?java.util.ArrayList;
?4 import ?java.util.List;
?5
?6 public ? 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兩個類的代碼如下：
?1
package
?test;
?2
?3 public ? class ?User? {
?4 ???? private ?String?name;
?5
?6 ???? public ?String?getName()? {
?7 ???????? return ?name;
?8 ????}
?9
10 ???? public ? void ?setName(String?name)? {
11 ???????? this .name? = ?name;
12 ????}
13 }
14
?2
?3 public ? class ?User? {
?4 ???? private ?String?name;
?5
?6 ???? public ?String?getName()? {
?7 ???????? return ?name;
?8 ????}
?9
10 ???? public ? void ?setName(String?name)? {
11 ???????? this .name? = ?name;
12 ????}
13 }
14
?1
package
?test;
?2
?3 public ? class ?Course?? {
?4 ???? private ?String?name;
?5
?6 ???? public ?String?getName()? {
?7 ???????? return ?name;
?8 ????}
?9
10 ???? public ? void ?setName(String?name)? {
11 ???????? this .name? = ?name;
12 ????}
13
14 }
?2
?3 public ? class ?Course?? {
?4 ???? private ?String?name;
?5
?6 ???? public ?String?getName()? {
?7 ???????? return ?name;
?8 ????}
?9
10 ???? public ? void ?setName(String?name)? {
11 ???????? this .name? = ?name;
12 ????}
13
14 }
3、編寫XFire要求的WebSevice定義描述文件，如下：
?1
<?
xml?version="1.0"?encoding="UTF-8"
?>
?2 < beans? xmlns ="http://xfire.codehaus.org/config/1.0" >
?3
?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 >
?2 < beans? xmlns ="http://xfire.codehaus.org/config/1.0" >
?3
?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，編譯時會自動編譯到classes的相應目錄下面。
4、因為我們用到了List等集合類型，所以需要定義Mapping關系，文件名為：src/test/IHelloService.aegis.xml，代碼如下：
1
<?
xml?version="1.0"?encoding="UTF-8"
?>
2 < mappings >
3 ???? < mapping >
4 ???????? < method? name ="test" >
5 ???????????? < parameter? index ="0" ?componentType ="java.lang.String" ? />
6 ???????????? < return-type? componentType ="test.Course" ? />
7 ???????? </ method >
8 ???? </ mapping >
9 </ mappings >
2 < mappings >
3 ???? < mapping >
4 ???????? < method? name ="test" >
5 ???????????? < parameter? index ="0" ?componentType ="java.lang.String" ? />
6 ???????????? < return-type? componentType ="test.Course" ? />
7 ???????? </ method >
8 ???? </ mapping >
9 </ mappings >
請注意，此文件一定要放到與IHelloService.java相同的目錄下面，否則會出錯。
5、在Web.xml中配置XFire需要用到的Servlet，代碼如下：
?1
<?
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" >
?6
?7 ???? < servlet >
?8 ???????? < servlet-name > XFireServlet </ servlet-name >
?9 ???????? < servlet-class >
10 ????????????org.codehaus.xfire.transport.http.XFireConfigurableServlet
11 ???????? </ servlet-class >
12 ???? </ servlet >
13
14 ???? < servlet-mapping >
15 ???????? < servlet-name > XFireServlet </ servlet-name >
16 ???????? < url-pattern > /servlet/XFireServlet/* </ url-pattern >
17 ???? </ servlet-mapping >
18
19 ???? < servlet-mapping >
20 ???????? < servlet-name > XFireServlet </ servlet-name >
21 ???????? < url-pattern > /services/* </ url-pattern >
22 ???? </ servlet-mapping >
23
24
25 ???? < welcome-file-list >
26 ???????? < welcome-file > index.jsp </ welcome-file >
27 ???? </ welcome-file-list >
28 </ web-app >
?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" >
?6
?7 ???? < servlet >
?8 ???????? < servlet-name > XFireServlet </ servlet-name >
?9 ???????? < servlet-class >
10 ????????????org.codehaus.xfire.transport.http.XFireConfigurableServlet
11 ???????? </ servlet-class >
12 ???? </ servlet >
13
14 ???? < servlet-mapping >
15 ???????? < servlet-name > XFireServlet </ servlet-name >
16 ???????? < url-pattern > /servlet/XFireServlet/* </ url-pattern >
17 ???? </ servlet-mapping >
18
19 ???? < servlet-mapping >
20 ???????? < servlet-name > XFireServlet </ servlet-name >
21 ???????? < url-pattern > /services/* </ url-pattern >
22 ???? </ servlet-mapping >
23
24
25 ???? < welcome-file-list >
26 ???????? < welcome-file > index.jsp </ welcome-file >
27 ???? </ welcome-file-list >
28 </ web-app >
此時Web Service的服務端就開發完成了。
我們來看看客戶端的代碼吧，也很簡單，如下：
?1
package
?test;
?2
?3 import ?java.net.MalformedURLException;
?4 import ?java.util.ArrayList;
?5 import ?java.util.List;
?6
?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;
11
12 public ? class ?Client? {
13
14 ???? public ? static ? void ?main(String[]?args)? {
15
16 ????????Service?srvcModel? = ? new ?ObjectServiceFactory()
17 ????????????????.create(IHelloService. class );
18 ????????XFireProxyFactory?factory? = ? new ?XFireProxyFactory(XFireFactory
19 ????????????????.newInstance().getXFire());
20
21 ????????String?helloWorldURL? = ? " http://localhost:8080/xfiretest/services/ HelloService " ;
22 ???????? 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);
36 ???????????? for ?( int ?i? = ? 0 ;?i? < ?t.size();?i ++ )? {
37 ????????????????Course?co = (Course)t.get(i);
38 ????????????????System.out.println(co.getName());
39 ????????????}
40 ????????????
41 ????????????
42 ????????} ? catch ?(MalformedURLException?e)? {
43 ????????????e.printStackTrace();
44 ????????}
45
46 ????}
47
48 }
49
?2
?3 import ?java.net.MalformedURLException;
?4 import ?java.util.ArrayList;
?5 import ?java.util.List;
?6
?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;
11
12 public ? class ?Client? {
13
14 ???? public ? static ? void ?main(String[]?args)? {
15
16 ????????Service?srvcModel? = ? new ?ObjectServiceFactory()
17 ????????????????.create(IHelloService. class );
18 ????????XFireProxyFactory?factory? = ? new ?XFireProxyFactory(XFireFactory
19 ????????????????.newInstance().getXFire());
20
21 ????????String?helloWorldURL? = ? " http://localhost:8080/xfiretest/services/ HelloService " ;
22 ???????? 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);
36 ???????????? for ?( int ?i? = ? 0 ;?i? < ?t.size();?i ++ )? {
37 ????????????????Course?co = (Course)t.get(i);
38 ????????????????System.out.println(co.getName());
39 ????????????}
40 ????????????
41 ????????????
42 ????????} ? catch ?(MalformedURLException?e)? {
43 ????????????e.printStackTrace();
44 ????????}
45
46 ????}
47
48 }
49
以上代碼均無注釋，因為都非常簡單，呵呵。如有不清楚的地方，請留言！
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