authorizationcheckadvice.java

ssh 实例spring对hibernate的封装

package com.ssh.struts.security;

import java.lang.reflect.Method;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.springframework.aop.MethodBeforeAdvice;
/**
 * 检查操作权限
 * @author T.Xin.Jun
 *
 */
public class AuthorizationCheckAdvice implements MethodBeforeAdvice {

	@Override
	public void before(Method method, Object[] args, Object target)
			throws Throwable {
		// TODO Auto-generated method stub
		Action action = (Action)target;
		HttpServletRequest request = null;
		HttpServletResponse response = null;
		String login = "/login.jsp";
		System.out.println(args.length);
		for(Object obj : args){
			System.out.println(obj.getClass().getName());
			System.out.println(obj);
		}
		System.out.println(method.getName());
		System.out.println(target.getClass().getName());
		for(Object obj : args){
			if(obj instanceof HttpServletRequest){
				request = (HttpServletRequest)obj;
			}
			if(obj instanceof HttpServletResponse){
				response = (HttpServletResponse)obj;
			}
		}
		HttpSession session = request.getSession(true);
		String user = (String)session.getAttribute("user");
		System.out.println(user);
		if(user == null || "".equals(user)){
			session.invalidate();
			ActionMessages errors = new ActionMessages();
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("error.authorization.no"));
			
			//.saveErrors(request, errors);
			request.getRequestDispatcher(login).forward(request, response);
		}
	}

}