Java tutorial
/** * Infinity Launcher for Minecraft. * <p> * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * <p> * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * <p> * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package net.infstudio.inflauncher.game.downloading; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpUriRequest; import org.apache.http.client.methods.RequestBuilder; import org.apache.http.impl.client.HttpClientBuilder; import java.io.IOException; /** * A timer to calculate the time internal(in ms) to the server. */ public class URLConnectionTimer { public static long testTime(String url) { try { HttpClient client = HttpClientBuilder.create().build(); HttpUriRequest request = RequestBuilder.get(url).build(); long start = System.currentTimeMillis(); client.execute(request); long end = System.currentTimeMillis(); return end - start; } catch (IOException e) { InfinityDownloader.logger.error(e); return Long.MAX_VALUE; } } }