findgrantedauthorityfromdatabase.java

Java开发的权限管理的例子

package org.artemis.right.command;

import java.util.List;
import java.util.Map;
import org.artemis.right.model.Role;
import com.gsta.eshore.framework.dao.BaseDao;
import com.gsta.eshore.framework.jcf.Command;
import com.gsta.eshore.framework.jcf.JCFException;
import com.gsta.eshore.framework.util.AppUtils;
/**
 * 从数据库中查找该角色Role和所拥有的Function
 * @author hewenqiang Nov 23, 2006 9:56:04 AM
 */
public class FindgrantedAuthorityFromDataBase extends Command
{
	private BaseDao dao;
	public void setDao(BaseDao dao) {
		this.dao = dao;
	}
    
	public void execute(Map params, Map response) throws Exception
	{
			List list=dao.find("from Role r where r.name = ?",(String) params.get("authority"));
			if(!AppUtils.isBlank(list)){
				Role role=(Role)list.get(0);
				//增加权限
				role.setFunctions(findFunctionsByRole(role));
				response.put("resultObject",role);
			}else{
				response.put("resultObject",null);
			}

	}
	
	private List findFunctionsByRole(Role role){
		Object[] param = {role.getId()};
		String strHql="select f from Permission p ,Function  f  where p.id.roleId=? and p.id.functionId=f.id";
		return dao.find(strHql,param);
		 
	}

	public void fini() throws JCFException
	{
	}

	public void init(String arg0) throws JCFException
	{
	}


}