本文主要是介绍SerfJ REST代码实例，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
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) |
2 | main.package=net.sf.serfj.test |
[代码] Bank.java
01 | public 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
01 | public 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 | } |
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