roledao.java

Java开发的权限管理的例子

package org.artemis.right.dao;
 
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.Hibernate;
import org.hibernate.type.Type;
import com.gsta.eshore.framework.dao.BaseDao;
import com.gsta.eshore.framework.daoutil.HqlQuery;
import com.gsta.eshore.framework.daoutil.PageSupport;
import com.gsta.eshore.framework.jcf.JCFException;
import com.gsta.eshore.framework.util.StringUtil;

/**
 * @author He-WenQiang. Create in 2007-05-03 13:50:02.
 *
 */

public class RoleDao extends BaseDao {
	private static final Log logger = LogFactory.getLog(RoleDao.class);
	private String findRoleByFunction="select r from Role r,Permission p,Function f where r.id=p.id.roleId and f.id=p.id.functionId and f.id = ?";
	private	String findRoleByUserId="select r from Role r,UserRole ur,User u where r.id=ur.id.roleId and u.id=ur.id.userId and u.id = ?";
	private	String findOtherRoleByUser="from Role where id not in (select r.id from Role r,UserRole ur,User u where r.id=ur.id.roleId and u.id=ur.id.userId and u.id = ?)";
 	
	public List FindRoleByFunction(String functionId) throws JCFException
	{
 		logger.info(StringUtil.convert(findRoleByFunction, new String[]{functionId}));
		return find(findRoleByFunction, functionId);
	}
 	
 	public void DeletePermissionByRoleId(List permissions){
		 deleteAll(permissions);
	}
 	public List FindRoleByUserId(String userId) throws JCFException
	{
 		logger.info(StringUtil.convert(findRoleByUserId, new String[]{userId}));
		return find(findRoleByUserId, userId);
	}
 	
 	public PageSupport FindOtherRoleByUser(final HqlQuery hqlQuery,String userId) throws JCFException
	{
 		logger.info(StringUtil.convert(findOtherRoleByUser, new String[]{userId}));
 		hqlQuery.setQueryString(findOtherRoleByUser);
 		hqlQuery.setParam(new Object[]{userId});
 		hqlQuery.setTypes(new Type[]{Hibernate.STRING});
 		return find(hqlQuery, true);
     }
	
 }