java player listener

package me.blackjack.improvedchatlogger;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import org.bukkit.event.player.PlayerChatEvent;
import org.bukkit.event.player.PlayerListener;


public class ImprovedChatLoggerPlayerListener extends PlayerListener
{
    String login = "database";
    String pass = "password";
    String url = "jdbc://server:3306/database";

    public ImprovedChatLogger plugin;


    public ImprovedChatLoggerPlayerListener(ImprovedChatLogger instance)
    {
        plugin = instance;
    }

    public void onPlayerChat(PlayerChatEvent event)
    {
        try
        {
            addMessagetoDB(event.getMessage());
        }
        catch (SQLException e)
        {
            e.printStackTrace();
        }
    }

    public void addMessagetoDB(String msg) throws SQLException
    {
        Connection conn = DriverManager.getConnection(url, login, pass);
        PreparedStatement SQLSample = conn.prepareStatement("INSERT INTO `chat` VALUES `" + msg + "`");
        SQLSample.executeUpdate();
        SQLSample.close();
        conn.close();

    }
}