wrapper

package tzt;

import java.sql.*;

/**
 *
 * @author pieter
 */
public class DBWrapper {
    private static Connection connection = null;
    private static Statement statement = null;
    private static boolean initialized;
    public static void initialize() {
        if(initialized) {
            return;
        }

        try {
            Class.forName("com.mysql.jdbc.Driver");
            connection = DriverManager.getConnection("jdbc:mysql://localhost/TZT", "root", "");
            statement = connection.createStatement();
        } catch (Exception e) {
            initialized = true;
        }
    }

    public static ResultSet executeQuery(String q) {
        ResultSet set = null;
        try {
            set = statement.executeQuery(q);
        } catch(Exception e) {}

        return set;
    }

    public static int executeUpdate(String q) {
        int set = 0;
        try {
            set = statement.executeUpdate(q);
        } catch(Exception e) {}

        return set;
    }

    public static void close() {
        try {
            statement.close();
            connection.close();
        } catch (Exception e) {

        }
    }
}