// SPDX-License-Identifier: GPL-3.0-only /* * Prism Launcher - Minecraft Launcher * Copyright (C) 2022 TheKodeToad * * 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, version 3. * * 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. * * Linking this library statically or dynamically with other modules is * making a combined work based on this library. Thus, the terms and * conditions of the GNU General Public License cover the whole * combination. * * As a special exception, the copyright holders of this library give * you permission to link this library with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also meet, * for each linked independent module, the terms and conditions of the * license of that module. An independent module is a module which is * not derived from or based on this library. If you modify this * library, you may extend this exception to your version of the * library, but you are not obliged to do so. If you do not wish to do * so, delete this exception statement from your version. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ package org.prismlauncher.utils.url; import java.io.IOException; import java.net.HttpURLConnection; /** * Spoof 404 response from server to avoid unnecessary requests. */ public final class NullConnection extends HttpURLConnection { public static final NullConnection INSTANCE = new NullConnection(); public NullConnection() { super(null); } @Override public void connect() throws IOException { responseCode = 404; } @Override public void disconnect() { } @Override public boolean usingProxy() { return false; } }