catalogdaoimpl.java

Struts+Spring+Hibernate实现的在线拍卖系统,去掉了这些组件自身的jar包

package org.bestteam.dao.impl;

import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.bestteam.dao.CatalogDao;
import org.bestteam.domain.Catalog;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;



public class CatalogDaoImpl extends HibernateDaoSupport implements CatalogDao {

	private static final Log log = LogFactory.getLog(CatalogDaoImpl.class);
	public boolean delete(Catalog catalog) {
		log.debug("deleting Catalog instance");
        try {
            getHibernateTemplate().delete(catalog);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            return false;
        }
        return true;
	}

	

	public List findByProperty(String propertyName, Object value) {
	      log.debug("finding Catalog instance with property: " + propertyName
	            + ", value: " + value);
	      try {
	         String queryString = "from Catalog where " 
	         						+ propertyName + " is ?";
			 return getHibernateTemplate().find(queryString, value);
	      } catch (RuntimeException re) {
	         log.error("find by property name failed", re);
	         throw re;
	      }
	}
	
	public  List findByPropertyIsNull(String propertyName){
		log.debug("finding Catalog instance ");
	      try {
	         String queryString = "from Catalog where " 
	         						+ propertyName + " is null";
			 return getHibernateTemplate().find(queryString);
	      } catch (RuntimeException re) {
	         log.error("find by property name failed", re);
	         throw re;
	      }
	}

	public boolean save(Catalog catalog) {
		log.debug("saving Catalog instance");
        try {
            getHibernateTemplate().save(catalog);
            log.debug("save successful");
        } catch (RuntimeException re) {
            log.error("save failed", re);
            return false;
        }
        return true;

	}

	public boolean saveOrUpdate(Catalog catalog) {
		log.debug("saveOrUpdate Catalog instance");
        try {
        	 getHibernateTemplate().merge(catalog);
            log.debug("saveOrUpdate successful");
        } catch (RuntimeException re) {
            log.error("saveOrUpdate failed", re);
            return false;
        }
        return true;
	}
	
	public List getAllCatalog()	{
		log.debug("finding Catalog instance");
	      try {
	         String queryString = "from Catalog" ;
			 return getHibernateTemplate().find(queryString);
	      } catch (RuntimeException re) {
	         log.error("find  failed", re);
	         throw re;
	      }
	}

}