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package server;
import java.io.IOException;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.util.HashMap;
import java.util.Map;
import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import shared.Tools;
/**
* @author Shijie Yao
* @date Dec 13, 2016
*
*/
public class SimpleHttpServer {
public static int port = 8321;
public static void main(String[] args) throws Exception {
HttpServer server = HttpServer.create(new InetSocketAddress(SimpleHttpServer.port), 0);
server.createContext("/", new GetHandler());
server.setExecutor(null); // creates a default executor
server.start();
}
static class GetHandler implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
Headers h = t.getResponseHeaders();
h.add("Content-Type", "application/json");
//String query = t.getRequestURI().getQuery(); //the KEY=VAL&KEY=VAL params in URL
String rparam = t.getRequestURI().toString(); //restful style params, KEY/VAL in URL
if (rparam.startsWith("/")){
rparam = rparam.substring(1);
}
if (rparam.endsWith("/")){
rparam = rparam.substring(rparam.length()-1);
}
System.out.println(rparam);
String[] params = rparam.split("/");
Map<String,String> map = new HashMap<String,String>(); //should be <String, Object>
if (params.length == 2){
map.put(params[0], params[1]);
// fill in other data here
map.put("tax_id", "654321");
map.put("organism", "e. coli");
} else {
map.put("error", "need restful-style param like gi/123456");
}
String response = "{";
for (Map.Entry<String, String> entry : map.entrySet()){
response+=Tools.format("\"%s\":\"%s\"", entry.getKey(), entry.getValue());
}
response+="}";
//String response = "{\"name\": \"a json string\"}";
t.sendResponseHeaders(200, response.length());
OutputStream os = t.getResponseBody();
os.write(response.getBytes());
os.close();
}
}
}
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