Java Filter 限制用户浏览权限

package com.duan.dao; import java.util.List; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.hibernate.LockMode; import org.springframework.context.ApplicationContext; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; /** * A data access object (DAO) providing persistence and search support for Cty * entities. Transaction control of the save(), update() and delete() operations * can directly support Spring container-managed transactions or they can be * augmented to handle user-managed Spring transactions. Each of these methods * provides additional information for how to configure it for the desired type * of transaction control. * * @see com.duan.dao.Cty * @author MyEclipse Persistence Tools */ public class CtyDAO extends HibernateDaoSupport { private static final Log log = LogFactory.getLog(CtyDAO.class); // property constants public static final String CTY_NAME = "ctyName"; protected void initDao() { // do nothing } public void save(Cty transientInstance) { log.debug("saving Cty instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(Cty persistentInstance) { log.debug("deleting Cty instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public Cty findById(java.lang.Integer id) { log.debug("getting Cty instance with id: " + id); try { Cty instance = (Cty) getHibernateTemplate().get("com.duan.dao.Cty", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List findByExample(Cty instance) { log.debug("finding Cty 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 Cty instance with property: " + propertyName + ", value: " + value); try { String queryString = "from Cty 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 findByCtyName(Object ctyName) { return findByProperty(CTY_NAME, ctyName); } public List findAll() { log.debug("finding all Cty instances"); try { String queryString = "from Cty"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } public Cty merge(Cty detachedInstance) { log.debug("merging Cty instance"); try { Cty result = (Cty) getHibernateTemplate().merge(detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(Cty instance) { log.debug("attaching dirty Cty instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(Cty instance) { log.debug("attaching clean Cty instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static CtyDAO getFromApplicationContext(ApplicationContext ctx) { return (CtyDAO) ctx.getBean("CtyDAO"); } }