powerviewaction.java

Struts_Spring_Hibernate实现的基于RBAC的权限管理系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.xaccp.struts.action;

import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.xaccp.biz.po.User;
import com.xaccp.biz.service.*;
import com.xaccp.biz.service.power.PowerStrategy;
import com.xaccp.biz.service.power.PowerStrategyFactory;
import com.xaccp.util.PowerConstants;
import com.xaccp.util.PowerUtil;

public class PowerViewAction extends Action {
	
	private UserService userService;
	private PowerService powerService;
	
	public PowerService getPowerService() {
		return powerService;
	}

	public void setPowerService(PowerService powerService) {
		this.powerService = powerService;
	}

	public UserService getUserService() {
		return userService;
	}

	public void setUserService(UserService userService) {
		this.userService = userService;
	}

	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		
		PowerUtil.assertUserInPower(request, PowerConstants.POWER_VIEW_USERS_POWER);
		
		int userId = 0;
		try {
			userId = Integer.parseInt(request.getParameter("userId"));
		} catch (Exception ex) {
		}
		
		List userList = userService.findAll();
		
		request.setAttribute("userList", userList);
		
		if (userId!=0) {
			User user = userService.findUserById(userId);	//当前用户
			List powers = powerService.findAllPowers();		//所有的权限
			Map powerMap = powerService.getUserPower(user);	//用户显式拥有的权限
			PowerStrategy strategy = PowerStrategyFactory.create(user.getStrategy());	//判断是否拥有权限的策略
			
			request.setAttribute("currentUser", user);
			request.setAttribute("powers", powers);
			request.setAttribute("powerMap", powerMap);
			request.setAttribute("strategy", strategy);
		}
		return mapping.findForward("ok");
	}
}