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package org.langsin.dao.impl; import java.util.List; import java.util.Set; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.hibernate.LockMode; import org.langsin.dao.IUserDAO; import org.langsin.vo.User; import org.springframework.context.ApplicationContext; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; /** * Data access object (DAO) for domain model class User. * @see org.langsin.vo.User * @author MyEclipse - Hibernate Tools */ public class UserDAO extends HibernateDaoSupport implements IUserDAO{ private static final Log log = LogFactory.getLog(UserDAO.class); //property constants public static final String USERNAME = "username"; public static final String PASSWORD = "password"; protected void initDao() { //do nothing } public void save(User transientInstance) { log.debug("saving User instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(User persistentInstance) { log.debug("deleting User instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public User findById( java.lang.Integer id) { log.debug("getting User instance with id: " + id); try { User instance = (User) getHibernateTemplate() .get("org.langsin.vo.User", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List findByExample(User instance) { log.debug("finding User instance by example"); try { List results = getHibernateTemplate().findByExample(instance); log.debug("find by example successful, result size: " + results.size()); return results; } catch (RuntimeException re) { log.error("find by example failed", re); throw re; } } public List findByProperty(String propertyName, Object value) { log.debug("finding User instance with property: " + propertyName + ", value: " + value); try { String queryString = "from User as model where model." + propertyName + "= ?"; return getHibernateTemplate().find(queryString, value); } catch (RuntimeException re) { log.error("find by property name failed", re); throw re; } } public List findByUsername(Object username) { return findByProperty(USERNAME, username); } public List findByPassword(Object password) { return findByProperty(PASSWORD, password); } public User merge(User detachedInstance) { log.debug("merging User instance"); try { User result = (User) getHibernateTemplate() .merge(detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(User instance) { log.debug("attaching dirty User instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(User instance) { log.debug("attaching clean User instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static UserDAO getFromApplicationContext(ApplicationContext ctx) { return (UserDAO) ctx.getBean("UserDAO"); } public boolean verify(String userName, String userPwd) { final String HQL="FROM User u where u.username=? and password=?"; String[] hqlParameter=new String[2]; hqlParameter[0]=userName; hqlParameter[1]=userPwd; List list=this.getHibernateTemplate().find(HQL,hqlParameter); if(list.size()>0){ return true; } return false; } }