loginaction.java.svn-base

菲律宾的一个大学的图书管理系统 spring+hibernate+velocity

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_3.8.4/xslt/JavaClass.xsl

package biz.bluesky.pts.action;

import javax.servlet.http.*;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import biz.bluesky.pts.model.*;
import biz.bluesky.pts.service.*;
import biz.bluesky.pts.util.ErrorCode;

import java.util.*;

/** 
 * MyEclipse Struts
 * Creation date: 04-14-2005
 * 
 * XDoclet definition:
 * @struts:action scope="request" validate="true"
 */
public class LoginAction extends BaseAction {

	// --------------------------------------------------------- Instance Variables

	// --------------------------------------------------------- Methods

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) throws Exception{

		ITeacherService teacherService =(ITeacherService)getServiceBean("TeacherService");
		IRoleService roleService = (IRoleService)getServiceBean("RoleService");
	
		String username = (String)request.getParameter("username");
		String password = (String)request.getParameter("password"); 
		int roleId = Integer.parseInt(request.getParameter("role"));
//		System.out.println("Username:"+username);
//		System.out.println("Password:"+password);
		
		List teacherList = teacherService.findTeachers(username);
		if(teacherList.size()<0){
			request.setAttribute("error","Invalid username.");
			return mapping.findForward("error");
		}
		
		TTeacher teacher =(TTeacher)teacherList.get(0);
		
		boolean checkBool = false;
		int teacherId = teacher.getTeacherId();
		List roles = roleService.findRolesByTeacher(teacherId);
		for(int i=0;i<roles.size();i++){
			TRole role= (TRole)roles.get(i);
			if(role.getRoleId()==roleId){
				checkBool = true;
			}
		}
//		System.out.println("Teacher password:"+teacher.getPassword());
		
		if(password.equals(teacher.getPassword())){
			if(checkBool){
				HttpSession session = request.getSession();
				session.setAttribute("userId",new Integer(teacherId));
				session.setAttribute("roleId",new Integer(roleId));
				
				
				String forward="";
				switch(roleId){
					case 1:
						forward = "MainAdmin";
						session.setAttribute("mainMenu","<a href=\"MainAdmin.vm\">Admin Control Panel</a>");
						break;
					case 2:
						forward = "MainPrincipal";
						session.setAttribute("mainMenu","<a href=\"MainPrincipal.vm\">Principal Control Panel</a>");
						session.setAttribute("schoolId",new Integer(teacher.getSchoolId()));
						break;
					case 3:
						forward = "MainSubjectManager";
						session.setAttribute("mainMenu","<a href=\"MainSubjectManager.vm\">Subject Manager Control Panel</a>");
						session.setAttribute("schoolId",new Integer(teacher.getSchoolId()));
						break;
					case 4:
						forward = "MainClassManager";
						session.setAttribute("mainMenu","<a href=\"MainClassManager.vm\">Class Manager Control Panel</a>");
						session.setAttribute("schoolId",new Integer(teacher.getSchoolId()));
						break;
					case 5:
						forward = "MainSubjectTeacher";
						session.setAttribute("mainMenu","<a href=\"MainSubjectTeacher.vm\">Subject Teacher Control Panel</a>");
						session.setAttribute("schoolId",new Integer(teacher.getSchoolId()));
						break;
					default:
						forward = "MainAdmin";
						break;					
				}
				return mapping.findForward(forward);
			}else{
				request.setAttribute("error","Access deny.");
				return mapping.findForward("error");
			}
		}else{
			request.setAttribute("error","Invalid username and password.");
			return mapping.findForward("error");
		}
	}


}