provincebusinessimpl.java

本系统是网上购物的详细代码

package cn.com.tarena.ecport.biz.impl;

import java.util.List;

import cn.com.tarena.ecport.biz.IProvinceBusiness;
import cn.com.tarena.ecport.common.util.HibernateUtil;
import cn.com.tarena.ecport.dao.ICountryDAO;
import cn.com.tarena.ecport.dao.IProvinceDAO;
import cn.com.tarena.ecport.dao.factory.DAOFactory;
import cn.com.tarena.ecport.pojo.Country;
import cn.com.tarena.ecport.pojo.Province;

public class ProvinceBusinessImpl implements IProvinceBusiness {

	public List<Country> getAllCountry() {
		try {
			ICountryDAO icd = (ICountryDAO) DAOFactory.getDAO(ICountryDAO.class.getName());
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction();
			List<Country> countries = icd.findAllCountry();
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction().commit();
			return countries;
		} catch (Exception e) {
			e.printStackTrace();
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction().rollback();
		} 
		return null;
	}

	public List<Province> getAllProvince() {
		try {
			IProvinceDAO ipd = (IProvinceDAO) DAOFactory.getDAO(IProvinceDAO.class.getName());
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction();
			List<Province> provinces = ipd.findAllProvince();
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction().commit();
			return provinces;
		} catch (Exception e) {
			e.printStackTrace();
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction().rollback();
		} 
		return null;
	}

	public List<Province> getProvinceByCountryId(int countryid) {
		try {
			IProvinceDAO ipd = (IProvinceDAO) DAOFactory.getDAO(IProvinceDAO.class.getName());
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction();
			List<Province> provinces = ipd.getProvinceOfCountry(countryid);
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction().commit();
			return provinces;
		} catch (Exception e) {
			e.printStackTrace();
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction().rollback();
		} 
		return null;
	}

	public Country getCountryByCountryId(Long countryid) {
		try {
			ICountryDAO icd = (ICountryDAO) DAOFactory.getDAO(ICountryDAO.class.getName());
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction();
			Country country = icd.findById(countryid);
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction().commit();
			return country;
		} catch (Exception e) {
			e.printStackTrace();
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction().rollback();
		} 
	return null;
	}

	public Province getProvinceByName(String provinceName) {
		try {
			IProvinceDAO ipd = (IProvinceDAO) DAOFactory.getDAO(IProvinceDAO.class.getName());
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction();
			List<Province> provinces = ipd.findByProperty("name", provinceName);
			Province province = provinces.get(0);
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction().commit();
			return province;
		} catch (Exception e) {
			e.printStackTrace();
			HibernateUtil.getSessionFactory().getCurrentSession().beginTransaction().rollback();
		}
		return null;
	}
}