loginaction.java

sistem information for universitas

package log.action;
import dao.DosenDAO;
import dao.MahasiswaDAO;
import dao.UserDAO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import log.form.LoginForm;
import model.Dosen;
import model.Mahasiswa;
import model.User;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
public class LoginAction extends Action {
    private final static String SUCCESS="success";
    public ActionForward execute(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        ActionErrors errors=new ActionErrors();
        ActionForward forward=null;
        LoginForm f=(LoginForm)form;
        if(f.getSebagai()==0) {
            UserDAO userDAO=new UserDAO();
            User user=new UserDAO().login(f.getUsername(),f.getPassword());
            if(user!=null) {
                HttpSession session=request.getSession();
                session.setAttribute("currentUser",user);
                forward=mapping.findForward(SUCCESS);
            } else {
                errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("LoginForm.fail"));
                saveErrors(request,errors);
                forward=new ActionForward(mapping.getInput());
            }
        } else if(f.getSebagai()==1) {
            Dosen dosen=new DosenDAO().login(f.getUsername(),f.getPassword());
            if(dosen!=null) {
                HttpSession session=request.getSession();
                session.setAttribute("currentDosen",dosen);
                forward=mapping.findForward(SUCCESS);
            } else {
                errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("LoginForm.fail"));
                saveErrors(request,errors);
                forward=new ActionForward(mapping.getInput());
            }
        } else if(f.getSebagai()==2) {
            Mahasiswa mahasiswa=new MahasiswaDAO().login(f.getUsername(),f.getPassword());
            if(mahasiswa!=null) {
                HttpSession session=request.getSession();
                session.setAttribute("currentMahasiswa",mahasiswa);
                forward=mapping.findForward(SUCCESS);
            } else {
                errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("LoginForm.fail"));
                saveErrors(request,errors);
                forward=new ActionForward(mapping.getInput());
            }
        }
        return forward;
    }
}