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 */
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 */
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package in.shop2020.serving.controllers;
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package in.shop2020.serving.controllers;
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import in.shop2020.model.v1.user.UserContext;
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import in.shop2020.model.v1.user.UserContextException;
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import in.shop2020.thrift.clients.ShoppingCartClient;
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import in.shop2020.thrift.clients.UserContextServiceClient;
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import java.util.Map;
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import java.util.Map;
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import javax.servlet.http.Cookie;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import org.apache.juli.logging.Log;
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import org.apache.juli.logging.LogFactory;
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import org.apache.struts2.interceptor.CookiesAware;
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import org.apache.struts2.interceptor.CookiesAware;
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import org.apache.struts2.interceptor.ServletRequestAware;
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import org.apache.struts2.interceptor.ServletResponseAware;
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import org.apache.struts2.interceptor.ServletResponseAware;
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import org.apache.struts2.interceptor.SessionAware;
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import org.apache.thrift.TException;
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/**
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/**
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 * Base class for all user action handlers i.e. controllers
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 * Base class for all user action handlers i.e. controllers
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 *
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 *
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 * @author naveen
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 * @author naveen
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 *
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 *
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 */
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 */
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public abstract class BaseController implements CookiesAware, ServletResponseAware {
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public abstract class BaseController implements  CookiesAware, ServletResponseAware, ServletRequestAware {
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	private Map cookiesMap;
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	private Map cookiesMap;
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    private HttpServletResponse response;
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    protected HttpServletResponse response;
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    protected HttpServletRequest request;
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    protected HttpSession session;
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//    private boolean isLoggedIn = ;
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//    private boolean isSessionId = true;
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//    long userId = 0;
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    Cookie tempCookie = null;
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	private static Log log = LogFactory.getLog(BaseController.class);
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	public BaseController() {
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		//setSessionAndCookies();
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		// TODO Auto-generated constructor stub
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	}
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	public Map getCookiesMap() {
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	public Map getCookiesMap() {
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		return cookiesMap;
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		return cookiesMap;
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	}
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	}
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	@Override
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	@Override
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	@Override
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	@Override
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	public void setServletResponse(HttpServletResponse response)
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	public void setServletResponse(HttpServletResponse response)
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	{
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	{
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		this.response = response;
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		this.response = response;
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		if(tempCookie != null){
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			this.response.addCookie(tempCookie);
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		}
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		//removeSessionOnLogout();
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	}
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	@Override
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	public void setServletRequest(HttpServletRequest request){
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		this.request = request;
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		this.session = request.getSession();
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		setSessionAndCookies();
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	}
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	public void removeSessionOnLogout(){
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		if(this.session.getAttribute("loggedin") != null ){
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			this.session.removeAttribute("loggedin");
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		}
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		if(this.session.getAttribute("userid") != null){
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			this.session.removeAttribute("userid");
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		}
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		if( this.session.getAttribute("issessionid") != null){
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			this.session.removeAttribute("issessionid");
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		}
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	}
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	public void setSessionAndCookies(){
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		/*Following steps will be executed on each of the requests
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		 * 		Check Session:
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		 * 			IF user is loggedin
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		 * 				- OK. Nothing to do. Allow access to the resources
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		 * 			ELSE check cookies
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		 *  			IF UserID is set
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		 *  				IF User is logged into backend.
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		 *  					Set user as loogedin in Session.
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		 *  					Set SessionID in session
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		 *  				ELSE
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		 *  					Remove UserID from cookies.
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		 *  			ELSE
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		 *  				IF SessionID is set
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		 *  					OK....set session id in session also
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		 *  				ELSE Create SessionID and Set SessionID in cookies and Session
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		 * 			ELSE IF SessionID is set in session
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		 * 				- OK.
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		 *
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		 */
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		String loggedIn = null;
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		String userId = null;
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		String isSessionId = null;
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		if(this.session.getAttribute("loggedin") != null ){
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			loggedIn = this.session.getAttribute("loggedin").toString();
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		}
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		if(this.session.getAttribute("userid") != null){
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			userId = this.session.getAttribute("userid").toString();
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		}
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		if( this.session.getAttribute("issessionid") != null){
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				isSessionId = this.session.getAttribute("issessionid").toString();
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		}
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		if(loggedIn != null && isSessionId != null && userId != null ){
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			if(loggedIn.equals("true")){
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				if(isSessionId.equals("false")){
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					System.out.println("Logged on user id is   :" + userId );
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				}else{
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					// if we reached here something is wrong.
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					System.out.println("Something went wrong... Dude !!!");
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				}
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			}else{
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				if(isSessionId.equals("true")){
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					System.out.println("Session is already set with sessionid   :" + userId );
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				}else{
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					// if we reached here something is wrong.
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					System.out.println("Something went wrong... Dude !!!");
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				}
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			}
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		}
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		else if(!getLoginSessionInfoFromCookies()){
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			System.out.println("Cookies are not set. Lookes like new user. Setting all the things.");
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		}
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//		else if(isSessionId != null && userId != null){
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//			System.out.println("Session is already set with sessionid   :" + userId );
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//		}
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	}
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	}
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	public boolean isUserLoggedIn(long userId){
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		UserContextServiceClient userContextServiceClient = null;
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		in.shop2020.model.v1.user.UserContextService.Client userClient = null;
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		boolean isLoggedIn = false;
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		try {
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			userContextServiceClient = new UserContextServiceClient();
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			userClient = userContextServiceClient.getClient();
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			userClient.getState(userId, false).isIsLoggedIn();
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		} catch (UserContextException e) {
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			// TODO Auto-generated catch block
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			e.printStackTrace();
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		} catch (TException e) {
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			// TODO Auto-generated catch block
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			e.printStackTrace();
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		} catch (Exception e) {
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			// TODO Auto-generated catch block
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			e.printStackTrace();
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		}
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		return isLoggedIn;
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	}
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	public long getNewUserSessionId(){
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		// I feel we dont need to create the context right now. need to discuss
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//		UserContextServiceClient userContextServiceClient = null;
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//		in.shop2020.model.v1.user.UserContextService.Client userClient = null;
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//
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//		userContextServiceClient = new UserContextServiceClient();
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//		userClient = userContextServiceClient.getClient();
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//
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//		UserContext context = new UserContext();
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//		context.setSessionid(1000);
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//		context = userClient.createContext(context, false);
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//
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		long sessionId = 12;
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//		sessionId = context.getSessionid();
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		return sessionId;
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	}
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	public boolean getLoginSessionInfoFromCookies(){
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		Cookie[] cookies = this.request.getCookies();
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		boolean foundUserIdCookie = false;
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		boolean foundSessionIdCookie = false;
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		long sessionId = 0;
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		long userId = 0;
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		if(cookies != null){
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		    for(int loopIndex = 0; loopIndex < cookies.length; loopIndex++) {
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		        Cookie cookie1 = cookies[loopIndex];
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		        if (cookie1.getName().equals("userid")) {
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		            System.out.println("User Id is = " + cookie1.getValue());
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		            userId = Long.parseLong(cookie1.getValue());
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		            foundUserIdCookie = true;
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		        }
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		        if (cookie1.getName().equals("sessionid")) {
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		            System.out.println("Session Id is = " + cookie1.getValue());
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		            sessionId = Long.parseLong(cookie1.getValue());
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		            foundSessionIdCookie = true;
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		        }
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	    	}
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		}
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		if(foundUserIdCookie){
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			if(isUserLoggedIn(userId)){
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				this.session.setAttribute("userid", userId+"");
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				this.session.setAttribute("loggedin", "true");
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				this.session.setAttribute("issessionid", "false");
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			}
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			else{
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				/* 	may be something different can be done as commented
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				 *	this.session.setAttribute("userid", userId+"");
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				 *	this.session.setAttribute("loggedin", "false");
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				 *	this.session.setAttribute("issessionid", "false");
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				 */
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			    for(int loopIndex = 0; loopIndex < cookies.length; loopIndex++) {
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			        Cookie cookie1 = cookies[loopIndex];
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			        if (cookie1.getName().equals("userid")) {
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			        	cookie1.setMaxAge(0);
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			        	//cookie1.setPath(cookie1.getPath());
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						//cookie1.setDomain(cookie1.getDomain());
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			        	tempCookie = cookie1;
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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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			if(foundSessionIdCookie){
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				this.session.setAttribute("userid", sessionId+"");
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				this.session.setAttribute("loggedin", "false");
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				this.session.setAttribute("issessionid", "true");
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			}
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			else{
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				sessionId = getNewUserSessionId();
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				this.session.setAttribute("userid", sessionId+"");
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 252 
				this.session.setAttribute("loggedin", "false");
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				this.session.setAttribute("issessionid", "true");
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 254
- 
 
 255 
				Cookie cookie1 = new Cookie("sessionid", sessionId+"");
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		    	tempCookie = cookie1;
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 257
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 258 
			}
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 259 
		}
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 260 
	return false;
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 261 
	}
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 262
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 263 
 
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}
 264 
}
- 
 
 265 
 
- 
 
 266 
 
- 
 
 267 
 
- 
 
 268 
	/*
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 269 
			}
- 
 
 270 
		}
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 271
- 
 
 272 
	else if(getCookiesMap() != null){
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 273 
			Cookie loginCookie = (Cookie)getCookiesMap().get("USER_ID");
- 
 
 274 
			log.info("login cookie name is " + loginCookie.getName() );
- 
 
 275 
			log.info("login cookie value is " + loginCookie.getValue());
- 
 
 276 
		}
- 
 
 277
- 
 
 278
- 
 
 279 
 
- 
 
 280 
		if(loginInfo != null && loginInfo.equals("true")){
- 
 
 281 
			System.out.println("user id is   :" + this.session.getAttribute("userid").toString());
- 
 
 282 
		}
- 
 
 283
- 
 
 284
- 
 
 285
- 
 
 286 
			this.session.setAttribute("loggedin", "true");
- 
 
 287 
			this.session.setAttribute("userid", "rajveer");
- 
 
 288 
			System.out.println("setting user as logged in ");
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 289 
		}
- 
 
 290 
	*/
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 291
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 292
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