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Line 35... Line 35...
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	@Override
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	@Override
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	public String intercept(ActionInvocation invocation) throws Exception {
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	public String intercept(ActionInvocation invocation) throws Exception {
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		final Object action = invocation.getAction();
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		final Object action = invocation.getAction();
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		log.info("inside user intercepror");
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        HttpServletRequest request = ServletActionContext.getRequest();
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        HttpServletRequest request = ServletActionContext.getRequest();
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        UserAgent userAgent = UserAgent.parseUserAgentString(request.getHeader("User-Agent"));
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        log.info("url " + request.getRequestURL());
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        log.info("User browser is:" + userAgent.getBrowser() + " OS is:" + userAgent.getOperatingSystem());
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        log.info("uri " + request.getRequestURI());
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        HttpSession session = request.getSession(); // Get the existing session or create a new one
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        HttpSession session = request.getSession(); // Get the existing session or create a new one
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        //getCookiesMap(request);
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        //getCookiesMap(request);
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		createCookiesMap(request);
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		createCookiesMap(request);
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		// If the request is for an active session.
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		// If the request is for an active session.
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		UserSessionInfo userInfo = (UserSessionInfo) session.getAttribute(USER_INFO);
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		UserSessionInfo userInfo = (UserSessionInfo) session.getAttribute(USER_INFO);
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		// Set the userinfo and the uid cookie if they're not already set.
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		// Set the userinfo and the uid cookie if they're not already set.
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		if (userInfo == null) {
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		if (userInfo == null) {
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			/* Code for bitwalked. No more used.
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			if(userAgent.getBrowser().getBrowserType() == BrowserType.WEB_BROWSER){
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				userInfo = createAndGetSessionFromUIDCookie(session);
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			}else{
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				userInfo = new UserSessionInfo();
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			}
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			*/
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			userInfo = createAndGetSessionFromUIDCookie(session);
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			userInfo = createAndGetSessionFromUIDCookie(session);
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			session.setAttribute(USER_INFO, userInfo);
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			session.setAttribute(USER_INFO, userInfo);
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		}
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		}
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		else {
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		else {
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			// Update user cookie in case of new registration and login.
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			// Update user cookie in case of new registration and login.
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			if(userInfo.getUserId() != -1){
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		    createUserCookie(userInfo.getUserId(), false);
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				createUserCookie(userInfo.getUserId(), false);
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			}
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		}
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		}
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		if (action instanceof UserAware) {
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		if (action instanceof UserAware) {
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        	UserAware sessionAction = (UserAware) action;
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        	UserAware sessionAction = (UserAware) action;
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        	sessionAction.setSession(session);
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        	sessionAction.setSession(session);
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        }
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        }
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		return invocation.invoke();
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		return invocation.invoke();
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	}
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	}
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	private void createCookiesMap(HttpServletRequest request) {
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	private void createCookiesMap(HttpServletRequest request) {
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		cookiesMap  = new HashMap<String, Cookie>();
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		cookiesMap  = new HashMap<String, Cookie>();
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		Cookie[] cookies = request.getCookies();
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		Cookie[] cookies = request.getCookies();
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		// This check is necessary for the first request when no cookies are
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		// This check is necessary for the first request when no cookies are
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		// sent.
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		// sent.
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			cookiesMap.put("uid", userCookie);
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			cookiesMap.put("uid", userCookie);
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			HttpServletResponse response = ServletActionContext.getResponse();
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			HttpServletResponse response = ServletActionContext.getResponse();
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	        response.addCookie(userCookie);
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	        response.addCookie(userCookie);
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		}
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		}
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	}
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	}
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	private UserSessionInfo createAndGetSessionFromUIDCookie(HttpSession session) {
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	private UserSessionInfo createAndGetSessionFromUIDCookie(HttpSession session) {
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		userCookie = (Cookie) cookiesMap.get("uid");
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		userCookie = (Cookie) cookiesMap.get("uid");
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		UserSessionInfo userInfo = null;
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		UserSessionInfo userInfo = null;
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		if(userCookie != null){
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		if(userCookie != null){
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					log.error("The UID cookie contains an unparseable userID");
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					log.error("The UID cookie contains an unparseable userID");
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				}
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				}
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			}
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			}
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		}
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		}
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		else{
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		else{
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			userInfo = new UserSessionInfo(session.getId());
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			userInfo = new UserSessionInfo();
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			session.setAttribute(USER_INFO, userInfo);
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			session.setAttribute(USER_INFO, userInfo);
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			log.info("Invalid session without user cookie.");
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			log.info("Invalid session without user cookie.");
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			createUserCookie(userInfo.getUserId(), true);
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			//createUserCookie(userInfo.getUserId(), true);
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		}
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		}
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		return userInfo;
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		return userInfo;
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	}
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	}
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}
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}
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