public class DBConnection {
	public static Connection getConnection() {
		Connection connection = null;
		try {
			Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver").newInstance();
		}
		catch (java.lang.ClassNotFoundException e) {
			System.err.print("ClassNotFoundException: ");
			System.err.println(e.getMessage());
		}
		catch (InstantiationException e) {
			System.err.print("InstantiationException: ");
			e.printStackTrace();
		}
		catch (IllegalAccessException e) {
			e.printStackTrace();
		}
		try {
			String connectionUrl = "jdbc:sqlserver://localhost:1433;database=MY_DB;";		
			connection = DriverManager.getConnection(connectionUrl, "user", "password");			
		}
		catch (SQLException ex) {
			System.err.println("SQLException: " + ex.getMessage());
		}
		return connection;
	}
}

public class MsSqlService extends AbstractSqlService implements IService {
  @Override
  protected String getConfiguredJdbcDriverName() {
    return "com.microsoft.sqlserver.jdbc.SQLServerDriver";
  }

  @Override
  protected String getConfiguredJdbcMappingName() {
    return "jdbc:sqlserver://localhost:1433";
  }

  @Override
  protected String getConfiguredJdbcProperties() {
    return "database=MY_DB";
  }

  @Override
  protected String getConfiguredPassword() {
    return "password";
  }

  @Override
  protected String getConfiguredUsername() {
    return "user";
  }