beanfactory.java

来自「该车间信息管理系统」· Java 代码 · 共 100 行

package com.briup.common.util;

import com.briup.dao.ManagerDao;
import com.briup.dao.MemberDao;
import com.briup.dao.RoomDao;
import com.briup.dao.impl.ManagerDaoImpl;
import com.briup.dao.impl.MemberDaoImpl;
import com.briup.dao.impl.RoomDaoImpl;
import com.briup.service.ManagerService;
import com.briup.service.MemberService;
import com.briup.service.RoomService;
import com.briup.service.impl.ManagerServiceImpl;
import com.briup.service.impl.MemberServiceImpl;
import com.briup.service.impl.RoomServiceImpl;

public class BeanFactory {
	private static MemberDao memberDao;
	private static MemberService memberService;
	private static ManagerDao managerDao;
	private static ManagerService managerService;
	private static RoomDao roomDao;
	private static RoomService roomService;
	
	public static Object getBean(String beanName) {
		if(beanName.equals("memberDao")) {
			memberDao = getMemberDao();
			return memberDao;
		}
		
		if(beanName.equals("memberService")) {
			memberService = getMemberService();
			return memberService;
		}
		
		if(beanName.equals("managerDao")) {
			managerDao = getManagerDao();
			return managerDao;
		}
		
		if(beanName.equals("managerService")) {
			managerService = getManagerService();
			return managerService;
		}
		
		if(beanName.equals("roomDao")) {
			roomDao = getRoomDao();
			return roomDao;
		}
		
		if(beanName.equals("roomService")) {
			roomService = getRoomService();
			return roomService;
		}
		
		return null;
	}
	
	private static MemberDao getMemberDao() {
		if(memberDao == null) {
			memberDao = new MemberDaoImpl();
		}
		return memberDao;
	}
	
	private static MemberService getMemberService() {
		if(memberService == null) {
			memberService = new MemberServiceImpl();
		}
		return memberService;
	}
	
	private static ManagerDao getManagerDao() {
		if(managerDao == null) {
			managerDao = new ManagerDaoImpl();
		}
		return managerDao;
	}
	
	private static ManagerService getManagerService() {
		if(managerService == null) {
			managerService = new ManagerServiceImpl();
		}
		return managerService;
	}
	
	private static RoomDao getRoomDao() {
		if(roomDao == null) {
			roomDao = new RoomDaoImpl();
		}
		return roomDao;
	}
	
	private static RoomService getRoomService() {
		if(roomService == null) {
			roomService = new RoomServiceImpl();
		}
		return roomService;
	}
}