ChannelsPlugin.java

import com.sk89q.bukkit.util.BukkitCommandsManager;
import com.sk89q.bukkit.util.CommandsManagerRegistration;
import com.sk89q.minecraft.util.commands.CommandsManager;
import org.bukkit.plugin.java.JavaPlugin;
import org.mcstats.Metrics;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.io.IOException;
import java.util.logging.Level;

public class ChannelsPlugin extends JavaPlugin {
    /**
     * The plugin's commands.
     */
    private static final Class[] COMMANDS = new Class[]{SomeCommandClass.class};
    /**
     * The MCStats metrics instance. Null if creation failed.
     */
    @Nullable
    private Metrics metrics;
    /**
     * The command manager.
     */
    @Nonnull
    private CommandsManager commandsManager;
    /**
     * The command registration.
     */
    @Nonnull
    private CommandsManagerRegistration commandsRegistration;

    @Override
    public void onDisable() {

    }

    @Override
    public void onEnable() {
        this.commandsManager = new BukkitCommandsManager();
        this.commandsRegistration = new CommandsManagerRegistration(this, this.commandsManager);
        for (Class commandsClass : ChannelsPlugin.COMMANDS) {
            this.commandsRegistration.register(commandsClass);
        }

        try {
            this.metrics = new Metrics(this);
            this.metrics.start();
        } catch (IOException exception) {
            this.getLogger().log(Level.WARNING, "An unknown error occurred. Metrics were not started.");
        }
    }
}