userbizimpl.java

达内Java培训实训项目ECPORT原码。 包括逐步优化的四个版本： 简单工厂模式实现 简单Spring-IoC实现 Spring声明式事务实现 Spring-AOP集成

package com.royee.ecport.biz.impl;

import com.royee.ecport.biz.UserBiz;
import com.royee.ecport.dao.DaoFactory;
import com.royee.ecport.dao.UserDao;
import com.royee.ecport.pojo.ContactInfo;
import com.royee.ecport.pojo.User;

public class UserBizImpl extends BizBase<User> implements UserBiz {
	private static UserDao dao = (UserDao) DaoFactory.getDao("User");

	public UserBizImpl() {
		super(dao);
	}

	public void deleteByUsername(String username) {
		// TODO Auto-generated method stub
		begin();
		try {
			dao.deleteByUsername(username);
			commit();
		} catch (Exception e) {
			e.printStackTrace();
			rollback();
		}
	}

	public User getByUsername(String username) {
		// TODO Auto-generated method stub
		User ret = null;
		begin();
		try {
			ret = dao.getByUserName(username);
			commit();
		} catch (Exception e) {
			e.printStackTrace();
			rollback();
		}
		return ret;
	}

	public boolean isExist(String username, String password) {
		// TODO Auto-generated method stub
		boolean ret = false;
		begin();
		try {
			ret = dao.isExist(username, password);
			commit();
		} catch (Exception e) {
			e.printStackTrace();
			rollback();
		}
		return ret;
	}

	public void save(User user, String repass) {
		// TODO Auto-generated method stub
		begin();
		try {
			User puser = dao.getById(user.getUid());
			if (puser.getPassword().equals(user.getPassword())
					&& puser.getUsername().equals(user.getUsername())) {
				
				ContactInfo ci = user.getContactInfo(), pci = puser
						.getContactInfo();
				ci.setUid(pci.getUid());
				if (repass.equals(""))
					user.setPassword(puser.getPassword());
				else
					user.setPassword(repass);
				dao.merge(user);
				commit();
			}
		} catch (Exception e) {
			e.printStackTrace();
			rollback();
		}
	}

	public boolean register(User userin) {
		begin();
		try {
			if (dao.getByUserName(userin.getUsername()) != null)
				return false;
			dao.save(userin);
			commit();
		} catch (Exception e) {
			e.printStackTrace();
			rollback();
		}
		return true;
	}

}