Main file

package com.SySammy.sdRankingSys;

import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import javax.persistence.PersistenceException;
import org.bukkit.plugin.PluginDescriptionFile;
import org.bukkit.plugin.PluginManager;
import org.bukkit.plugin.java.JavaPlugin;

/**
 *
 * @author Sammy
 */
public class sdRS extends JavaPlugin {

    private static final Logger log = Logger.getLogger("Minecraft");

    public static void main(String[] args) {
        // TODO code application logic here
    }

    public void onDisable() {
        System.out.println("disabled, goodbye wold");
    }

    public void onEnable() {
        PluginDescriptionFile pdfFile = this.getDescription();
        PluginManager pm = getServer().getPluginManager();

        setupDatabase();
        getCommand("rank").setExecutor(new sdRankCmds(this));
        System.out.println(pdfFile.getName() + " version " + pdfFile.getVersion() + " is enabled!");
    }

    private void setupDatabase() {
        try {
            getDatabase().find(Ranks.class).findRowCount();
        } catch (PersistenceException ex) {
            System.out.println("Installing database for " + getDescription().getName() + " due to first time usage");
            installDDL();
        }
    }

    @Override
    public List<Class<?>> getDatabaseClasses() {
        List<Class<?>> list = new ArrayList<Class<?>>();
        list.add(Ranks.class);
        return list;
    }
}