branddaoimp.java

关于java的web编程

package dao;

import hibernate.Brand;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

public class BrandDaoImp extends HibernateDaoSupport implements BrandDao  {
   private static final Log log=LogFactory.getLog(BrandDaoImp.class);
	public boolean deleteBrand(Long id) {
		Brand brand=(Brand) this.getHibernateTemplate().load(Brand.class, id);
		try{
		this.getHibernateTemplate().delete(brand);
		return true;
		}catch(Exception e)
		{
			log.debug(e);
		}
		return false;
	}

	public boolean deleteBrand(Brand brand) {
		try{
			this.getHibernateTemplate().delete(brand);
			return true;
		}catch(Exception e)
		{
			log.debug(e);
		}
		return false;
	}

	public List<Brand> findAllBrand() {
		String hql="from Brand brand";
		try{
		List<Brand> list=this.getHibernateTemplate().find(hql);
		return list;
		}catch(Exception e)
		{
			log.debug(e);
		}
		return null;
	}

	public Brand getBrand(Long id) {
		try{
			Brand brand =(Brand) this.getHibernateTemplate().load(Brand.class, id);
			return brand;
		}catch(Exception e)
		{
			log.debug(e);
		}
		return null;
	}

	public boolean saveBrand(Brand brand) {
		try{
			this.getHibernateTemplate().save(brand);
			return true;
		}catch(Exception e)
		{
			log.debug(e);
		}
		return false;
	}

	public boolean updateBrand(Brand brand) {
		try{
			this.getHibernateTemplate().update(brand);
			return true;
		}catch(Exception e)
		{
			log.debug(e);
		}
		return false;
	}

}