TFM-4.3-Reloaded/src/me/husky/mysql/MySQL.java

package me.husky.mysql;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import me.husky.Database;
import org.bukkit.plugin.Plugin;

/**
 * Connects to and uses a MySQL database
 *
 * @author -_Husky_-
 * @author tips48
 */
public class MySQL extends Database
{

    private final String user;
    private final String database;
    private final String password;
    private final String port;
    private final String hostname;

    private Connection connection;

    /**
     * Creates a new MySQL instance
     *
     * @param plugin Plugin instance
     * @param hostname Name of the host
     * @param port Port number
     * @param database Database name
     * @param username Username
     * @param password Password
     */
    public MySQL(Plugin plugin, String hostname, String port, String database, String username, String password)
    {
        super(plugin);
        this.hostname = hostname;
        this.port = port;
        this.database = database;
        this.user = username;
        this.password = password;
        this.connection = null;
    }

    @Override
    public Connection openConnection()
    {
        try
        {
            Class.forName("com.mysql.jdbc.Driver");
            connection = DriverManager.getConnection("jdbc:mysql://" + this.hostname + ":" + this.port + "/" + this.database, this.user, this.password);
        }
        catch (SQLException e)
        {
            plugin.getLogger().log(Level.SEVERE, "Could not connect to MySQL server! because: " + e.getMessage());
        }
        catch (ClassNotFoundException e)
        {
            plugin.getLogger().log(Level.SEVERE, "JDBC Driver not found!");
        }
        return connection;
    }

    @Override
    public boolean checkConnection()
    {
        return connection != null;
    }

    @Override
    public Connection getConnection()
    {
        return connection;
    }

    @Override
    public void closeConnection()
    {
        if (connection != null)
        {
            try
            {
                connection.close();
            }
            catch (SQLException e)
            {
                plugin.getLogger().log(Level.SEVERE, "Error closing the MySQL Connection!");
                e.printStackTrace();
            }
        }
    }

    public ResultSet querySQL(String query)
    {
        Connection c = null;

        if (checkConnection())
        {
            c = getConnection();
        }
        else
        {
            c = openConnection();
        }

        Statement s = null;

        try
        {
            s = c.createStatement();
        }
        catch (SQLException e1)
        {
            e1.printStackTrace();
        }

        ResultSet ret = null;

        try
        {
            ret = s.executeQuery(query);
        }
        catch (SQLException e)
        {
            e.printStackTrace();
        }

        closeConnection();

        return ret;
    }

    public void updateSQL(String update)
    {

        Connection c = null;

        if (checkConnection())
        {
            c = getConnection();
        }
        else
        {
            c = openConnection();
        }

        Statement s = null;

        try
        {
            s = c.createStatement();
            s.executeUpdate(update);
        }
        catch (SQLException e1)
        {
            e1.printStackTrace();
        }

        closeConnection();

    }

}