refactor: rename NewLaunch package

libraries/launcher/org/polymc/LauncherFactory.java

@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  PolyMC - Minecraft Launcher
+ *  Copyright (C) 2022 icelimetea, <fr3shtea@outlook.com>
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package org.polymc;
+
+import org.polymc.impl.OneSixLauncher;
+import org.polymc.utils.Parameters;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public final class LauncherFactory {
+
+    private static final LauncherFactory INSTANCE = new LauncherFactory();
+
+    private final Map<String, LauncherProvider> launcherRegistry = new HashMap<>();
+
+    private LauncherFactory() {
+        launcherRegistry.put("onesix", new LauncherProvider() {
+            @Override
+            public Launcher provide(Parameters parameters) {
+                return new OneSixLauncher(parameters);
+            }
+        });
+    }
+
+    public Launcher createLauncher(Parameters parameters) {
+        String name = parameters.first("launcher");
+
+        LauncherProvider launcherProvider = launcherRegistry.get(name);
+
+        if (launcherProvider == null)
+            throw new IllegalArgumentException("Invalid launcher type: " + name);
+
+        return launcherProvider.provide(parameters);
+    }
+
+    public static LauncherFactory getInstance() {
+        return INSTANCE;
+    }
+
+    public interface LauncherProvider {
+
+        Launcher provide(Parameters parameters);
+
+    }
+
+}