proxyloginaction.java

一段很有意义的源码,看了就知道,不信试一试啊!

package com.sofmit.tools.action;
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.wondersgroup.framework.security.bo.SecurityUser;
import com.wondersgroup.framework.security.service.UserService;
import com.sofmit.tools.*;

public class ProxyLoginAction  extends BaseAction {
	public static final String SECURITY_LOGIN_NAME="security.login.name";
	public static final String SECURITY_LOGIN_ID="security.login.userId";//被代理者的用户ID
    public static final String SECURITY_LOGIN_USER="security.login.user";
    public static final String SECURITY_PROXY_ID="security.proxy.userId";//代理者的用户ID
   
	private  UserService userService;
	 
	public void setUserService(UserService userService) {
		this.userService = userService;
	}
	public ActionForward proxyLogin(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		userService=(UserService)getService("userService",request);
		String userId =(String) request.getParameter("userId");   
		String sessionUserId=(String)request.getSession().getAttribute(SECURITY_LOGIN_ID); 
		SecurityUser user=userService.loadUserById(Long.parseLong(sessionUserId));  
		if (sessionUserId==null)return (mapping.findForward("failure"));//判断代理者是否已通过身份认证
		SecurityUser[] securityUsers=userService.getUsersByProxy(user,true);
		for (int i=0;i<securityUsers.length;i++)
    	{
    		if (securityUsers[i].getId()==Long.parseLong(userId))//判断是否已授权的代理
    		{   
    			if(request.getSession().getAttribute(Constants.ORIGIN_LOGIN_ID)==null)
    			{
    				request.getSession().setAttribute(Constants.ORIGIN_LOGIN_ID,request.getSession().getAttribute(SECURITY_LOGIN_ID));
			     }
    			
    			request.getSession().setAttribute(SECURITY_LOGIN_ID, String.valueOf(securityUsers[i].getId()));
				request.getSession().setAttribute(SECURITY_LOGIN_NAME, securityUsers[i].getName());
				request.getSession().setAttribute(SECURITY_PROXY_ID, sessionUserId);  
				if(request.getSession().getAttribute(Constants.SECURITY_LOGIN_ID)==request.getSession().getAttribute(Constants.ORIGIN_LOGIN_ID))
					request.getSession().setAttribute(Constants.IS_PROXY_LOGON,null);
				else
					request.getSession().setAttribute(Constants.IS_PROXY_LOGON,"yes");				
					
    			return mapping.findForward("success");
    		} 
    	}  
		return (mapping.findForward("failure"));
	}
	
	public ActionForward selfLogin(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		userService=(UserService)getService("userService",request);
		String userId =(String) request.getParameter("userId");   
		
		
    		if (request.getSession().getAttribute(Constants.ORIGIN_LOGIN_ID).equals(userId))//判断是否返回自己
    		{   
    			if(request.getSession().getAttribute(Constants.ORIGIN_LOGIN_ID)==null)
    			{
    				request.getSession().setAttribute(Constants.ORIGIN_LOGIN_ID,request.getSession().getAttribute(SECURITY_LOGIN_ID));
			     }
    			
    			request.getSession().setAttribute(SECURITY_LOGIN_ID, request.getSession().getAttribute(Constants.ORIGIN_LOGIN_ID));
//				request.getSession().setAttribute(SECURITY_LOGIN_NAME, securityUsers[i].getName());
//				request.getSession().setAttribute(SECURITY_PROXY_ID, sessionUserId);  
				request.getSession().setAttribute(Constants.IS_PROXY_LOGON,null);
						
					
    			return mapping.findForward("success");
    		} 
    	  
		return (mapping.findForward("failure"));
	}
}