signinaction.java

Java EE 5 许多新功能都包含经过修补的 EJB 架构

/*
 * Copyright 2006 Borys Burnayev
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.rdacorp.petstore.web.action;

import java.util.Collection;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.rdacorp.petstore.business.dao.LoginException;
import com.rdacorp.petstore.business.dao.PasswordException;
import com.rdacorp.petstore.domain.Category;
import com.rdacorp.petstore.domain.UserProfile;

/**
 * @author Borys Burnayev
 */
public class SignInAction extends Action {

   public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
            HttpServletResponse response) throws Exception {
      SignInForm frm = (SignInForm) form;
      PetStoreApplication application = new PetStoreApplication(request.getSession().getServletContext());
      try {
         UserProfile profile = application.getPetStoreService().login(frm.getEmail(), frm.getPassword());
         PetStoreSession session = new PetStoreSession(request.getSession());
         session.setAccount(profile.getPerson().getAccount());
         Category favoriteCategory = profile.getPerson().getFavoriteCategory();
         Collection products = application.getPetStoreService().getProducts(favoriteCategory);
         session.setProducts(products);
      }
      catch (LoginException e) {
         ActionMessages errors = new ActionMessages();
         errors.add("email", new ActionMessage("error.login.not.found"));
         saveErrors(request, errors);
         return mapping.findForward("error");
      }
      catch (PasswordException e) {
         ActionMessages errors = new ActionMessages();
         errors.add("password", new ActionMessage("error.wrong.password"));
         saveErrors(request, errors);
         return mapping.findForward("error");
      }
      return mapping.findForward("success");
   }
}