Java Web 框架：Spark

Spark是一個受Sinatra啟發的小型Web應用開發的Java框架。
這個例子顯示了一些基本的功能：

import static spark.Spark.*;

import spark.Request;
import spark.Response;
import spark.Route;
/**

A simple example just showing some basic functionality
*/
public class SimpleExample {
public static void main(String[] args) {

 //  setPort(5678); <- Uncomment this if you wan't spark to listen on a port different than 4567.

 get(new Route("/hello") {
     @Override
     public Object handle(Request request, Response response) {
         return "Hello World!";
     }
 });

 post(new Route("/hello") {
     @Override
     public Object handle(Request request, Response response) {
         return "Hello World: " + request.body();
     }
 });

 get(new Route("/private") {
     @Override
     public Object handle(Request request, Response response) {
         response.status(401);
         return "Go Away!!!";
     }
 });

 get(new Route("/users/:name") {
     @Override
     public Object handle(Request request, Response response) {
         return "Selected user: " + request.params(":name");
     }
 });

 get(new Route("/news/:section") {
     @Override
     public Object handle(Request request, Response response) {
         response.type("text/xml");
         return "<?xml version=\"1.0\" encoding=\"UTF-8\"?><news>" + request.params("section") + "</news>";
     }
 });

 get(new Route("/protected") {
     @Override
     public Object handle(Request request, Response response) {
         halt(403, "I don't think so!!!");
         return null;
     }
 });

 get(new Route("/redirect") {
     @Override
     public Object handle(Request request, Response response) {
         response.redirect("/news/world");
         return null;
     }
 });

 get(new Route("/") {
     @Override
     public Object handle(Request request, Response response) {
         return "root";
     }
 });


}
}</pre> 
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