addadminaction.java

使用JSP+Servlet+Hibernate+Struts实现的一个学生软件发布平台

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package edu.neu.sspp.struts.action.admin;

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 org.apache.struts.action.ActionRedirect;
import org.hibernate.Transaction;

import edu.neu.sspp.hibernate.HibernateSessionFactory;
import edu.neu.sspp.hibernate.TAdmin;
import edu.neu.sspp.hibernate.TAdminDAO;
import edu.neu.sspp.hibernate.TTeacherDAO;
import edu.neu.sspp.hibernate.TUserDAO;
import edu.neu.sspp.struts.form.admin.AddAdminForm;

/** 
 * MyEclipse Struts
 * Creation date: 06-14-2005
 * 
 * XDoclet definition:
 * @struts.action path="/addAdmin" name="addAdminForm" input="/admin_page/add_admin.jsp" scope="request" validate="true"
 * @struts.action-forward name="add_success" path="/servlet/admin/AddAdmin" redirect="true"
 */
public class AddAdminAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		AddAdminForm addAdminForm = (AddAdminForm) form;// TODO Auto-generated method stub
		
		TUserDAO userDAO = new TUserDAO();
		TTeacherDAO teacherDAO = new TTeacherDAO();
		TAdminDAO adminDAO = new TAdminDAO();
		TAdmin admin = new TAdmin();
		
		if(adminDAO.findByName(addAdminForm.getName()).size() > 0) {
			ActionMessages errors = new ActionMessages();
			errors.add("name", new ActionMessage("error.register.userName.repeat"));
			saveErrors(request,errors);
			
			addAdminForm.setPassword("");
			addAdminForm.setRePassword("");
			
			return mapping.getInputForward();
		}
		
		if(teacherDAO.findByName(addAdminForm.getName()).size() > 0) {
			ActionMessages errors = new ActionMessages();
			errors.add("name", new ActionMessage("error.register.userName.repeat"));
			saveErrors(request,errors);
			
			addAdminForm.setPassword("");
			addAdminForm.setRePassword("");
			
			return mapping.getInputForward();
		}
		
		if(userDAO.findByUserName(addAdminForm.getName()).size() > 0) {
			ActionMessages errors = new ActionMessages();
			errors.add("name", new ActionMessage("error.register.userName.repeat"));
			saveErrors(request,errors);
			
			addAdminForm.setPassword("");
			addAdminForm.setRePassword("");
			
			return mapping.getInputForward();
		}
		
		admin.setName(addAdminForm.getName());
		admin.setPassword(addAdminForm.getPassword());
		admin.setEmail(addAdminForm.getEmail());
		
		Transaction transaction = HibernateSessionFactory.getSession().beginTransaction();
		
		adminDAO.save(admin);
		
		transaction.commit();
		
		HibernateSessionFactory.closeSession();
		
		return new ActionRedirect("../servlet/admin/ManageAdmin");
	}
}