loginaction.java

近几年来

package tarena.action;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionErrors;
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.hibernate.Session;

import tarena.pojo.*;
import tarena.proxy.Business;
import tarena.util.ContextUtil;
import tarena.form.PersonForm;

public class LoginAction extends Action {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		PersonForm personForm = (PersonForm) form;

		ActionErrors errors = new ActionErrors();
		Session session = (Session)request.getAttribute(ContextUtil.SESSION);
		switch (personForm.getFlag().charAt(0)) {
		case 't':
			Teacher teacher = new Teacher();
			teacher.setName(personForm.getName());
			teacher.setPassword(personForm.getPassword());
			System.out.println("findTeacher is "+Business.findTeacher(session, teacher.getName()));			
			Teacher aTeacher = Business.findTeacher(session, teacher.getName());
			if (aTeacher != null
					&& aTeacher.getPassword().equals(teacher.getPassword())) {
				request.getSession().setAttribute(ContextUtil.PERSON, aTeacher);
				return new ActionForward(ContextUtil.TEACHER_INDEX_PATH, true);
			}
			break;
		case 'm':
			Manager manager = new Manager();
			manager.setName(personForm.getName());
			manager.setPassword(personForm.getPassword());
			Manager aManager = Business.findManager(session, manager.getName());
			if (aManager != null
					&& aManager.getPassword().equals(manager.getPassword())) {
				request.getSession().setAttribute(ContextUtil.PERSON, aManager);
				return new ActionForward(ContextUtil.MANAGER_INDEX_PATH, true);
			}
			break;
		case 'a':
			Admin admin = new Admin();
			admin.setName(personForm.getName());
			admin.setPassword(personForm.getPassword());
			Admin aAdmin = Business.findAdmin(session, admin.getName());
			if (aAdmin != null
					&& aAdmin.getPassword().equals(admin.getPassword())) {
				request.getSession().setAttribute(ContextUtil.PERSON, aAdmin);
				return new ActionForward(ContextUtil.ADMIN_INDEX_PATH, true);
			}
			break;
		}

		errors.add("error.login", new ActionMessage("error.login"));
		saveErrors(request.getSession(), errors);
		return mapping.getInputForward();
	}
}