Package com.cosmo.manager.pages

Source Code of com.cosmo.manager.pages.LoginPage

package com.cosmo.manager.pages;

import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.cosmo.Cosmo;
import com.cosmo.net.HttpRequestUtils;
import com.cosmo.security.UserNotFoundException;
import com.cosmo.security.annotations.AuthenticationForm;
import com.cosmo.ui.Page;
import com.cosmo.ui.PageContext;
import com.cosmo.ui.PageContext.ContentColumns;
import com.cosmo.ui.PageContext.PageLayout;
import com.cosmo.ui.controls.BreadcrumbsControl;
import com.cosmo.ui.controls.BreadcrumbsItem;
import com.cosmo.ui.controls.DynamicMessageControl;
import com.cosmo.ui.controls.FormButton;
import com.cosmo.ui.controls.FormButton.ButtonType;
import com.cosmo.ui.controls.FormControl;
import com.cosmo.ui.controls.FormFieldset;
import com.cosmo.ui.controls.FormFieldHidden;
import com.cosmo.ui.controls.FormFieldText;
import com.cosmo.ui.controls.HeaderControl;
import com.cosmo.ui.controls.Icon;

/**
* Servlet implementation class FormPage
*/
@AuthenticationForm
@WebServlet(description = "Formulari d'autenticaci� (login)", urlPatterns = { "/LoginPage" })
public class LoginPage extends Page
{
   /** Serial Version UID */
   private static final long   serialVersionUID = 4174215166551407407L;

   private static final String ID_MSG           = "msg";

   private static final String FIELD_LOGIN      = "txtLogin";
   private static final String FIELD_PASSWORD   = "txtPwd";

   // private static final String FIELD_TOURL = "toUrl";

   @Override
   public PageContext initPageEvent(PageContext pc, HttpServletRequest request, HttpServletResponse response)
   {
      pc.setLayout(PageLayout.TwoColumnsLeft);
      pc.setTitle(this.getWorkspace().getProperties().getString(Cosmo.PROPERTY_WORKSPACE_TITLE) + " - Login");

      BreadcrumbsControl navbar = new BreadcrumbsControl(getWorkspace(), "bc");
      navbar.addItem(new BreadcrumbsItem("Home", "HomePage", Icon.ICON_IMAGE_HOME));
      navbar.addItem(new BreadcrumbsItem("Login", ""));
      pc.addContent(navbar, ContentColumns.MAIN);

      HeaderControl header = new HeaderControl(getWorkspace(), "hc");
      header.setTitle("Login");
      header.setDescription("Para acceder a este contenido debe proporcionar sus credenciales de usuario.");
      pc.addContent(header, ContentColumns.MAIN);

      DynamicMessageControl message = new DynamicMessageControl(getWorkspace(), ID_MSG);
      pc.addContent(message, ContentColumns.MAIN);

      FormControl form = new FormControl(getWorkspace(), "LoginForm");
      form.addHiddenValue(new FormFieldHidden(Cosmo.URL_PARAM_TOURL, HttpRequestUtils.getValue(request,
            Cosmo.URL_PARAM_TOURL)));
      FormFieldset group = new FormFieldset("Datos de identificaci�n");
      group.addField(new FormFieldText(LoginPage.FIELD_LOGIN, "Login"));
      group.addField(new FormFieldText(LoginPage.FIELD_PASSWORD, "Password", true));
      form.addGroup(group);
      form.addButton(new FormButton("cmdAcceopt", "Enviar", ButtonType.Submit));
      pc.addContent(form, ContentColumns.MAIN);

      return pc;
   }

   @Override
   public PageContext formSendedEvent(PageContext pc, HttpServletRequest request, HttpServletResponse response)
   {
      try
      {
         getWorkspace().createUserSession(HttpRequestUtils.getValue(request, LoginPage.FIELD_LOGIN),
               HttpRequestUtils.getValue(request, LoginPage.FIELD_PASSWORD));

         response.sendRedirect(HttpRequestUtils.getValue(request, Cosmo.URL_PARAM_TOURL));
      }
      catch (UserNotFoundException ex)
      {
         DynamicMessageControl msg = (DynamicMessageControl) pc.getControl(ID_MSG);
         msg.setVisible(true);
         msg.setType(DynamicMessageControl.MessageTypes.Error);
         msg.setMessage("Les credencials proporcionades no corresponen a cap usuari. �s possible que l'usuari no existeixi o b� que la contrassenya proporcionada sigui incorrecte.");
      }
      catch (Exception ex)
      {
         DynamicMessageControl msg = (DynamicMessageControl) pc.getControl(ID_MSG);
         msg.setVisible(true);
         msg.setType(DynamicMessageControl.MessageTypes.Error);
         msg.setMessage("ERROR: " + ex.getMessage());
      }

      return pc;
   }

   @Override
   public PageContext loadPageEvent(PageContext pc, HttpServletRequest request, HttpServletResponse response)
   {
      return pc;
   }

   @Override
   public PageContext pageException(PageContext pc, Exception exception)
   {
      pc.showException(getWorkspace(), exception);

      return pc;
   }
}
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