Class LauncherFactory

libraries/launcher/org/polymc/LauncherFactory.java:44–80

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);

    }

}