package businessLogic;


import java.util.Vector;

import dataAccess.DB4oManager;
import domain.Account;
import domain.Owner;

public class LoginManager implements LoginManagerInterface {

	DB4oManager dbMngr;

	public LoginManager() {

		try {
			dbMngr = DB4oManager.getInstance();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	@Override
	public Owner checkCredentials(String usr, String pwd) {
		try {
			Vector<Account> account = dbMngr.getAccount(usr, pwd);
			if (account.isEmpty())
				return null;
			else
				return account.get(0).getOwner();

		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return null;
	}

}