SerfJ REST代码实例

SerfJ 是一个最简单的框架用来开发Java的REST的Web应用。可帮助你开发优雅的MVC架构的应用，使用惯例重于配置的思路，无需配置文件和注解。

 

[代码] web.xml

01<servlet>

02    <servlet-name>RestServlet</servlet-name>

03    <servlet-class>net.sf.serfj.RestServlet</servlet-class>

04    <load-on-startup>5</load-on-startup>

05</servlet>

06  

07<servlet-mapping>

08    <servlet-name>RestServlet</servlet-name>

09    <url-pattern>/banks/*</url-pattern>

10</servlet-mapping>

11  

12<servlet-mapping>

13    <servlet-name>RestServlet</servlet-name>

14    <url-pattern>/accounts/*</url-pattern>

15</servlet-mapping>

[代码] serfj.properties

1# Main package where looking for classes (controllers, serializers)

2main.package=net.sf.serfj.test

[代码] Bank.java

01public class Bank extends RestController {

02    @GET

03    public void index() {

04        // By default, this action redirects to index.jsp (or index.html or index.htm)

05    }

06  

07    @GET

08    public void show() {

09        // Gets ID from URL /banks/1

10        String id = this.getId("bank");

11         

12        // Gets account's ID from URL /banks/1/accounts/2

13        String accountId = this.getId("account");

14  

15        // Gets the account

16        Account account = // Code that gets the account 2 from bank 1

17         

18        // Put account into the request so the page will be able to use it

19        this.addObject2Request("account", account);

20          

21        // By default, this action redirects to show.jsp (or show.html or show.htm)

22    }

23  

24    @GET

25    public void newResource() {

26        // By default, this action redirects to new.jsp (or new.html or new.htm)

27    }

28  

29    @GET

30    public void edit() {

31        // By default, this action redirects to edit.jsp (or edit.html or edit.htm)

32    }

33  

34    @POST

35    public void create() {

36        // By default, this action redirects to create.jsp (or create.html or create.htm)

37    }

38  

39    @PUT

40    public void update() {

41        // Gets bank's ID

42        String id = this.getId("bank");

43  

44        Bank bank = // Code that gets the bank object     

45  

46        // Gets new name for the bank

47        String name = this.getStringParam("name");

48         

49        // Updating the bank

50        // ... Code that updates the bank's information

51  

52        // By default, this action redirects to update.jsp (or update.html or update.htm)

53    }

54  

55    @DELETE

56    public void delete() {

57        // By default, this action redirects to delete.jsp (or delete.html or delete.htm)

58    }

59  

60    @GET

61    public void someAction() {

62        // By default, this action redirects to someAction.jsp (or someAction.html or someAction.htm)

63    }

64}

[代码] Account.java

view sourceprint?

01public class Account extends RestController {

02    @GET

03    public void index() {

04        // By default, this action redirects to index.jsp (or index.html or index.htm)

05    }

06  

07    @GET

08    public void show() {

09        // By default, this action redirects to show.jsp (or show.html or show.htm)

10    }

11  

12    @GET

13    public void newResource() {

14        // By default, this action redirects to new.jsp (or new.html or new.htm)

15    }

16  

17    @GET

18    public void edit() {

19        // By default, this action redirects to edit.jsp (or edit.html or edit.htm)

20    }

21  

22    @POST

23    public void create() {

24        // By default, this action redirects to create.jsp (or create.html or create.htm)

25        // But I want to render another page!... easy

26        this.renderPage("mypage.jsp");

27    }

28  

29    @PUT

30    public void update() {

31        // By default, this action redirects to update.jsp (or update.html or update.htm)

32        // But I want to render another page... from another controller!... easy

33        this.renderPage("bank", "another_page.jsp");

34    }

35  

36    @DELETE

37    public void delete() {

38        // By default, this action redirects to delete.jsp (or delete.html or delete.htm)

39        // Well, if something happens, I want to redirect to mypage.jsp

40        if (somethingHappens) {

41            this.renderPage("mypage.jsp");

42        } else {

43            // Default page

44            this.renderPage();

45        }

46    }

47  

48    /**

49     * If this method is called as /accounts/1/accountBalance.xml, then the balance object will

50     * be serialized as an XML, whereas if it's called as /accounts/1/accountBalance.json, the

51     * object will be serialized as a JSON object.

52     */

53    @POST

54    public Balance accountBalance() {

55       // Gets account's Id

56       String id = this.getId("account");

57         

58       // Calculate balance

59       BalanceManager manager = new BalanceManager();

60       Balance balance = manager.getBalance(id);

61       this.serialize(balance);

62    }

63}