ThreadVersionCheck.java

package mattparks.mods.space.core.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

import mattparks.mods.space.core.Constants;
import net.minecraft.util.ChatComponentText;
import cpw.mods.fml.client.FMLClientHandler;
import cpw.mods.fml.common.FMLCommonHandler;
import cpw.mods.fml.relauncher.Side;

public class ThreadVersionCheck extends Thread {
	public static ThreadVersionCheck INSTANCE = new ThreadVersionCheck();
	private int count = 0;

	public static int remoteMajVer;
	public static int remoteMinVer;
	public static int remoteBuildVer;

	public ThreadVersionCheck() {
		super("4Space Version Check Thread");
	}

	public static void startCheck() {
		final Thread thread = new Thread(ThreadVersionCheck.INSTANCE);
		thread.start();
	}

	@Override
	public void run() {
		final Side sideToCheck = FMLCommonHandler.instance().getSide();

		if (sideToCheck == null) {
			return;
		}

		while (this.count <= 3 && remoteBuildVer == 0) {
			BufferedReader in = null;
			try {
				final URL url = new URL("http://4space.mods.center/version.html");
				final HttpURLConnection http = (HttpURLConnection) url.openConnection();
				http.addRequestProperty("User-Agent", "Mozilla/4.76");
				InputStreamReader streamReader = new InputStreamReader(http.getInputStream());
				in = new BufferedReader(streamReader);
				String str;
				String str2[] = null;

				while ((str = in.readLine()) != null) {
					if (str.contains("Version")) {
						str = str.replace("Version=", "");

						str2 = str.split("#");

						if (str2.length == 3) {
							remoteMajVer = Integer.parseInt(str2[0]);
							remoteMinVer = Integer.parseInt(str2[1]);
							remoteBuildVer = Integer.parseInt(str2[2]);
						}

						if (remoteMajVer == Constants.LOCALMAJVERSION && (remoteMinVer > Constants.LOCALMINVERSION || (remoteMinVer == Constants.LOCALMINVERSION && remoteBuildVer > Constants.LOCALBUILDVERSION))) {
							Thread.sleep(5000);

							if (sideToCheck.equals(Side.CLIENT)) {
								FMLClientHandler.instance().getClient().thePlayer.addChatMessage(new ChatComponentText(EnumColor.GREY + "New " + EnumColor.DARK_AQUA + "4Space" + EnumColor.GREY + " version available! v" + String.valueOf(remoteMajVer) + "." + String.valueOf(remoteMinVer) + "." + String.valueOf(remoteBuildVer) + EnumColor.DARK_BLUE + " http://4space.mods.center"));
							} else if (sideToCheck.equals(Side.SERVER)) {
								SpaceLog.severe("New 4Space version available! v" + String.valueOf(remoteMajVer) + "." + String.valueOf(remoteMinVer) + "." + String.valueOf(remoteBuildVer) + " http://4space.mods.center");
							}
						}
					}
				}

				in.close();
				streamReader.close();
			} catch (final Exception e) {
				if (in != null) {
					try {
						in.close();
					} catch (IOException e1) {
						e1.printStackTrace();
					}
				}
			}

			if (remoteBuildVer == 0) {
				try {
					SpaceLog.severe(SpaceUtil.translate("4update.failed.name"));
					Thread.sleep(15000);
				} catch (final InterruptedException e) {
				}
			} else {
				SpaceLog.info(SpaceUtil.translate("4update.success.name") + " " + remoteMajVer + "." + remoteMinVer + "." + remoteBuildVer);
			}

			this.count++;
		}
	}
}