1 files changed, 80 insertions, 0 deletions
diff --git a/libraries/launcher/org/prismlauncher/LauncherFactory.java b/libraries/launcher/org/prismlauncher/LauncherFactory.java
new file mode 100644
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--- /dev/null
+++ b/libraries/launcher/org/prismlauncher/LauncherFactory.java
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+// 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.
+ *
+ *  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 <https://www.gnu.org/licenses/>.
+ */
+
+package org.prismlauncher;
+
+import org.prismlauncher.impl.OneSixLauncher;
+import org.prismlauncher.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);
+
+    }
+
+}