usereditaction.java

sistem information for universitas

package user.action;
import dao.ObjectDAO;
import dao.UserDAO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.User;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.actions.DispatchAction;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
import user.form.UserEditForm;
public class UserEditAction extends DispatchAction {
    private final static String EDIT="edit";
    private final static String UPDATE="update";
    private final static String DELETE="delete";
    public ActionForward preEdit(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        return mapping.findForward(EDIT);
    }
    public ActionForward edit(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        User user=new UserDAO().loadUser(Long.parseLong(request.getParameter("id")));
        UserEditForm f=(UserEditForm)form;
        f.setId(user.getId());
        f.setOldUsername(user.getUsername());
        f.setUsername(user.getUsername());
        f.setPassword(user.getPassword());
        f.setRealName(user.getRealName());
        f.setLevel(user.getLevel());
        return mapping.findForward(EDIT);
    }
    public ActionForward update(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        ActionForward forward=null;
        UserEditForm f=(UserEditForm)form;
        ActionErrors errors=new ActionErrors();
        errors=f.validate(mapping,request);
        if(!errors.isEmpty()) {
            saveErrors(request,errors);
            forward=new ActionForward(mapping.getInput());
            return forward;
        }
        if(!f.getOldUsername().equalsIgnoreCase(f.getUsername())) {
            if(new UserDAO().usernameIsUsed(f.getUsername())) {
                errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("UserEditForm.username.used"));
                saveErrors(request,errors);
                forward=new ActionForward(mapping.getInput());
                return forward;
            }
        }
        User user=new UserDAO().loadUser(f.getId());
        user.setUsername(f.getUsername());
        user.setPassword(f.getPassword());
        user.setRealName(f.getRealName());
        user.setLevel(f.getLevel());
        int result=new ObjectDAO().update(user);
        if(result>0) {
            forward=mapping.findForward(UPDATE);
        } else {
            errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("UserEditForm.fail"));
            saveErrors(request,errors);
            forward=new ActionForward(mapping.getInput());
        }
        return forward;
    }
    public ActionForward delete(ActionMapping mapping, ActionForm  form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        User user=new UserDAO().loadUser(Long.parseLong(request.getParameter("id")));
        HttpSession session=request.getSession();
        User currentUser=(User)session.getAttribute("currentUser");
        if(currentUser.getId()!=user.getId()) {
            new ObjectDAO().delete(user);
        }
        return mapping.findForward(DELETE);
    }
}