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ViaProxy/src/main/java/net/raphimc/viaproxy/cli/ConsoleHandler.java

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+/*
+ * This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
+ * Copyright (C) 2021-2026 RK_01/RaphiMC and contributors
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * 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.raphimc.viaproxy.cli;
+
+import net.raphimc.viaproxy.cli.command.CommandManager;
+import net.raphimc.viaproxy.util.logging.Logger;
+
+import java.io.IOException;
+import java.util.Scanner;
+
+public class ConsoleHandler {
+
+    public static void hookConsole() {
+        try { // Best way I could find to check if a console is attached to System.in
+            System.in.available();
+        } catch (IOException e) {
+            Logger.LOGGER.info("Console input is not available. CLI commands are disabled.");
+            return;
+        }
+
+        new Thread(ConsoleHandler::listen, "Console-Handler").start();
+    }
+
+    private static void listen() {
+        final CommandManager commandManager = new CommandManager();
+        final Scanner scanner = new Scanner(System.in);
+        try {
+            while (scanner.hasNextLine()) {
+                final String line = scanner.nextLine();
+                try {
+                    commandManager.execute(line);
+                } catch (Throwable e) {
+                    Logger.LOGGER.error("Error while handling console input", e);
+                }
+            }
+        } catch (Throwable e) {
+            Logger.LOGGER.error("Error while reading console input", e);
+        }
+    }
+
+}