Minimal HTTP Server by using com.sun.net.httpserver.HttpServer : Web Server « Network Protocol « Java






  1. Java
  2. Network Protocol
  3. Web Server

Minimal HTTP Server by using com.sun.net.httpserver.HttpServer

   

import java.io.IOException;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.util.List;
import java.util.Map;
import java.util.Set;

import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;

public class MinimalHTTPServer {
  public static void main(String[] args) throws IOException {
    HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0);
    server.createContext("/echo", new Handler());
    server.start();
  }
}

class Handler implements HttpHandler {
  public void handle(HttpExchange xchg) throws IOException {
    Headers headers = xchg.getRequestHeaders();
    Set<Map.Entry<String, List<String>>> entries = headers.entrySet();

    StringBuffer response = new StringBuffer();
    for (Map.Entry<String, List<String>> entry : entries)
      response.append(entry.toString() + "\n");

    xchg.sendResponseHeaders(200, response.length());
    OutputStream os = xchg.getResponseBody();
    os.write(response.toString().getBytes());
    os.close();
  }
}








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