MinecraftStatus.java

package test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Map;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;


public class MinecraftStatus {
	public static void main(String[] args) throws MalformedURLException, IOException {
		JsonParser parser = new JsonParser();
		InputStream input = new URL("http://status.mojang.com/check").openStream();
		BufferedReader reader = new BufferedReader(new InputStreamReader(input));
		String status = reader.readLine();
		
		JsonArray json = parser.parse(status).getAsJsonArray();
		for (Object obj : json) {
			
			Map.Entry<String, JsonElement> entry  = parser.parse(obj.toString()).getAsJsonObject().entrySet().iterator().next();
			
			if (entry.getKey().equals("login.minecraft.net")) {
				if (entry.getValue().getAsString().equals("red")) {
					System.out.println("Login servers are down!");
				} else if (entry.getValue().getAsString().equals("yellow")) {
					System.out.println("Login servers are slow!");
				}
			}
			if (entry.getKey().equals("session.minecraft.net")) {
				if (entry.getValue().getAsString().equals("red")) {
					System.out.println("Session servers are down!");
				} else if (entry.getValue().getAsString().equals("yellow")) {
					System.out.println("Session servers are slow!");
				}
			}
		}
	}
}