loginmanager.java

A brew application taking backup of the device

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package Login;

import DBConnection.DBConnection;
import java.sql.ResultSet;
import java.sql.SQLException;


/**
 *
 * @author Work IS Passion
 */
public class LoginManager {   
    DBConnection dbc;

    public LoginManager() {
        dbc = new DBConnection();
    }
    public String Validate ( String user) throws SQLException {
         ResultSet rs = null;
            String Query = "select user_id from user where user_id = '"+user+"'";
            String msg = null;
            rs = dbc.select(Query);
            if (rs.next()){
                msg = "SUCCESS";
            }
            else {
                msg = "FAILURE";
            }
            return msg;
    }
}