com.vaadin.server.VaadinSession Java Examples

@Override
public boolean validate(String username, String password) {
	UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(username, password);
	try {
		Authentication auth = this.authenticationManager.authenticate(token);
		if (auth.isAuthenticated()) {
			// execute session authentication strategy
			if (this.sessionStrategy != null)
				this.sessionStrategy.onAuthentication(auth, VaadinServletService.getCurrentServletRequest(),
						VaadinServletService.getCurrentResponse());
			SecurityContextHolder.getContext().setAuthentication(auth);
			// save request in context session
			VaadinSession.getCurrent().getSession().setAttribute(
					HttpSessionSecurityContextRepository.SPRING_SECURITY_CONTEXT_KEY,
					SecurityContextHolder.getContext());
			
			return  true;
		}
		SecurityContextHolder.clearContext();
		return false;
	}
	catch(AuthenticationException ae) {
		SecurityContextHolder.clearContext();
		return false;
	}
}
 

/**
 * Pushes pending state changes and client RPC calls to the client. If
 * {@code isConnected()} is false, defers the push until a connection is
 * established.
 *
 * @param async True if this push asynchronously originates from the server,
 *              false if it is a response to a client request.
 */
void push(boolean async) {
    if (!isConnected()) {
        if (async && state != State.RESPONSE_PENDING) {
            state = State.PUSH_PENDING;
        } else {
            state = State.RESPONSE_PENDING;
        }
    } else {
        try {
            UI ui = VaadinSession.getCurrent().getUIById(this.uiId);
            Writer writer = new StringWriter();
            new UidlWriter().write(ui, writer, async);
            sendMessage("for(;;);[{" + writer + "}]");
        } catch (Exception e) {
            throw new PushException("Push failed", e);
        }
    }
}
 

@Override
public String getMainDivId(VaadinSession session, VaadinRequest request, Class<? extends UI> uiClass) {
    String appId = request.getPathInfo();
    if (appId == null || "".equals(appId) || "/".equals(appId)) {
        appId = "ROOT";
    }
    appId = appId.replaceAll("[^a-zA-Z0-9]", "");
    // Add hashCode to the end, so that it is still (sort of)
    // predictable, but indicates that it should not be used in CSS
    // and
    // such:
    int hashCode = appId.hashCode();
    if (hashCode < 0) {
        hashCode = -hashCode;
    }
    appId = appId + "-" + hashCode;
    return appId;
}
 

public void setLocale(Locale locale) {
    UserSession session = getConnection().getSession();
    if (session != null) {
        session.setLocale(locale);
    }

    AppUI currentUi = AppUI.getCurrent();
    // it can be null if we handle request in a custom RequestHandler
    if (currentUi != null) {
        currentUi.setLocale(locale);
        currentUi.updateClientSystemMessages(locale);
    }

    VaadinSession.getCurrent().setLocale(locale);

    for (AppUI ui : getAppUIs()) {
        if (ui != currentUi) {
            ui.accessSynchronously(() -> {
                ui.setLocale(locale);
                ui.updateClientSystemMessages(locale);
            });
        }
    }
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH; minTimes = 0;
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;

            vaadinSession.getConverterFactory(); result = new DefaultConverterFactory(); minTimes = 0;

            globalConfig.getAvailableLocales(); result = ImmutableMap.of("en", Locale.ENGLISH); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };

    this.uiComponents = new TestUiComponents(applicationContext);
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH; minTimes = 0;
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;

            vaadinSession.getConverterFactory(); result = new DefaultConverterFactory(); minTimes = 0;

            globalConfig.getAvailableLocales(); result = ImmutableMap.of("en", Locale.ENGLISH); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH; minTimes = 0;
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;

            vaadinSession.getConverterFactory(); result = new DefaultConverterFactory(); minTimes = 0;

            globalConfig.getAvailableLocales(); result = ImmutableMap.of("en", Locale.ENGLISH); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };

    this.uiComponents = new TestUiComponents(applicationContext);
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH; minTimes = 0;
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;

            vaadinSession.getConverterFactory(); result = new DefaultConverterFactory(); minTimes = 0;

            globalConfig.getAvailableLocales(); result = ImmutableMap.of("en", Locale.ENGLISH); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };

    this.uiComponents = new TestUiComponents(applicationContext);
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH; minTimes = 0;
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;

            vaadinSession.getConverterFactory(); result = new DefaultConverterFactory(); minTimes = 0;

            globalConfig.getAvailableLocales(); result = ImmutableMap.of("en", Locale.ENGLISH); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };

    this.uiComponents = new TestUiComponents(applicationContext);
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH; minTimes = 0;
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;

            globalConfig.getAvailableLocales(); result = ImmutableMap.of("en", Locale.ENGLISH); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };

    this.uiComponents = new TestUiComponents(applicationContext);
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH; minTimes = 0;
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;

            vaadinSession.getConverterFactory(); result = new DefaultConverterFactory(); minTimes = 0;

            globalConfig.getAvailableLocales(); result = ImmutableMap.of("en", Locale.ENGLISH); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };

    this.uiComponents = new TestUiComponents(applicationContext);
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH; minTimes = 0;
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;

            globalConfig.getAvailableLocales(); result = ImmutableMap.of("en", Locale.ENGLISH); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };

    this.uiComponents = new TestUiComponents(applicationContext);
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH; minTimes = 0;
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;

            vaadinSession.getConverterFactory(); result = new DefaultConverterFactory(); minTimes = 0;

            globalConfig.getAvailableLocales(); result = ImmutableMap.of("en", Locale.ENGLISH); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };
    this.uiComponents = new TestUiComponents(applicationContext);
}
 

@Override
public void attach() {
    super.attach();

    service = createService();
    String url = service.getAuthorizationUrl(null);
    
    gplusLoginButton = new Link("Login with Google", new ExternalResource(url));
    gplusLoginButton.addStyleName(ValoTheme.LINK_LARGE);

    VaadinSession.getCurrent().addRequestHandler(this);

    setContent(new MVerticalLayout(gplusLoginButton).alignAll(
            Alignment.MIDDLE_CENTER).withFullHeight());
    setModal(true);
    setWidth("300px");
    setHeight("200px");

}
 

@Override
public boolean synchronizedHandleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response) throws IOException {
  response.setContentType("text/css");

  byte[] text = generateCss();

  response.setCacheTime(-1);
  response.setStatus(HttpURLConnection.HTTP_OK);

  try (OutputStream stream = response.getOutputStream()) {
    response.setContentLength(text.length);
    stream.write(text);
  }

  return true;
}
 

/**
 * {@inheritDoc}
 */
public String getConversationId() {
	Integer uiId = null;
	
	UI ui =  UI.getCurrent();
	if (ui == null) {
		UIid id = CurrentInstance.get(UIid.class);
		if (id != null) {
			uiId = id.getUiId();
		}
	}
	else if (ui != null) {
		if (!sessions.containsKey(ui)) {
			ui.addDetachListener(this);
			sessions.put(ui, VaadinSession.getCurrent().getSession().getId());
		}

		uiId = ui.getUIId();
	}
	
	return uiId != null ? getConversationId(uiId) : null;
}
 

@Override
public String getConversationId() {
    if (VaadinSession.getCurrent() == null || !VaadinSession.getCurrent().hasLock()) {
        throw new IllegalStateException("Unable to use VaadinSessionScope from non-Vaadin thread");
    }

    return VaadinSession.getCurrent().getSession().getId();
}
 

public List<AppUI> getAppUIs() {
    List<AppUI> list = new ArrayList<>();
    for (UI ui : VaadinSession.getCurrent().getUIs()) {
        if (ui instanceof AppUI)
            list.add((AppUI) ui);
        else
            log.warn("Invalid UI in the session: {}", ui);
    }
    return list;
}
 

@Override
public Object remove(String name) {
    VaadinSession session = VaadinSession.getCurrent();
    if (session == null || !session.hasLock()) {
        throw new IllegalStateException("Unable to use VaadinSessionScope from non-Vaadin thread");
    }

    Object bean = session.getAttribute(name);
    session.setAttribute(name, null);
    return bean;
}
 

@Override
public Object get(String name, ObjectFactory<?> objectFactory) {
    VaadinSession session = VaadinSession.getCurrent();
    if (session == null || !session.hasLock()) {
        throw new IllegalStateException("Unable to use VaadinSessionScope from non-Vaadin thread");
    }

    Object object = session.getAttribute(name);
    if (object == null) {
        object = objectFactory.getObject();
        session.setAttribute(name, object);
    }
    return object;
}
 

protected void setSessionInternal(@Nullable ClientUserSession userSession) {
    VaadinSession.getCurrent().setAttribute(UserSession.class, userSession);
    if (userSession != null) {
        AppContext.setSecurityContext(new SecurityContext(userSession));
    } else {
        AppContext.setSecurityContext(null);
    }
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;
            vaadinSession.getConverterFactory(); result = new DefaultConverterFactory(); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
            configuration.getConfig(ClientConfig.class); result = clientConfig; minTimes = 0;
            clientConfig.getPickerShortcutModifiers(); result = "CTRL-ALT"; minTimes = 0;
        }
    };
    this.uiComponents = new TestUiComponents(applicationContext);
}
 

protected WebBrowser getWebBrowserDetails() {
    // timezone info is passed only on VaadinSession creation
    WebBrowser webBrowser = VaadinSession.getCurrent().getBrowser();
    VaadinRequest currentRequest = VaadinService.getCurrentRequest();
    // update web browser instance if current request is not null
    // it can be null in case of background/async processing of login request
    if (currentRequest != null) {
        webBrowser.updateRequestDetails(currentRequest);
    }
    return webBrowser;
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            VaadinSession.getCurrent(); result = vaadinSession; minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };
    uiComponents = new TestUiComponents(applicationContext);
}
 

@Override
protected void initExpectations() {
    super.initExpectations();

    new Expectations() {
        {
            VaadinSession.getCurrent(); result = vaadinSession;  minTimes = 0;
            vaadinSession.getConverterFactory(); result = new DefaultConverterFactory(); minTimes = 0;
            AppContext.getProperty("cuba.mainMessagePack"); result = "com.haulmont.cuba.web"; minTimes = 0;
        }
    };

    this.uiComponents = new TestUiComponents(applicationContext);
}
 

/**
 * Call the session's {@link ErrorHandler}, if it has one, with the given
 * exception wrapped in an {@link ErrorEvent}.
 */
private void callErrorHandler(VaadinSession session, Exception e) {
    try {
        ErrorHandler errorHandler = ErrorEvent.findErrorHandler(session);
        if (errorHandler != null) {
            errorHandler.error(new ErrorEvent(e));
        }
    } catch (Exception ex) {
        // Let's not allow error handling to cause trouble; log fails
        logger.warn("ErrorHandler call failed", ex);
    }
}
 

/**
 * Keep user session in server sessions
 *
 * @param userSession current user
 * @param billingAc   account information of current user
 */
public void setSessionVariables(SimpleUser userSession, SimpleBillingAccount billingAc) {
    session = userSession;
    billingAccount = billingAc;

    String language = session.getLanguage();
    userLocale = language != null ? LocalizationHelper.getLocaleInstance(language) : billingAccount.getLocaleInstance();
    VaadinSession.getCurrent().setLocale(userLocale);
    messageHelper = LocalizationHelper.getMessageConveyor(userLocale);

    userTimeZone = TimezoneVal.valueOf(session.getTimezone());
    MyCollabSession.putSessionVariable(MyCollabSession.USER_VAL, userSession);
}
 

@Override
protected void init(final VaadinRequest request) {
	VaadinSession.getCurrent().setErrorHandler(new UiInstanceErrorHandler(this));
	setSizeFull();
	springNavigator.addView(CRLF_REPLACEMENT, mainView);
	setNavigator(springNavigator);


	final Page currentPage = Page.getCurrent();
	final String requestUrl = currentPage.getLocation().toString();
	final String language = request.getLocale().getLanguage();
	final UserConfiguration userConfiguration = configurationManager.getUserConfiguration(requestUrl, language);

	currentPage.setTitle(userConfiguration.getAgency().getAgencyName() + ":" + userConfiguration.getPortal().getPortalName() + ":" + userConfiguration.getLanguage().getLanguageName());

	if (getSession().getUIs().isEmpty()) {
		final WebBrowser webBrowser = currentPage.getWebBrowser();

		final CreateApplicationSessionRequest serviceRequest = new CreateApplicationSessionRequest();
		serviceRequest.setSessionId(RequestContextHolder.currentRequestAttributes().getSessionId());

		final String ipInformation = WebBrowserUtil.getIpInformation(webBrowser);
		serviceRequest.setIpInformation(ipInformation);
		serviceRequest.setTimeZone(webBrowser.getTimeZoneId());
		serviceRequest.setScreenSize(webBrowser.getScreenWidth() + "x" + webBrowser.getScreenHeight());
		serviceRequest.setUserAgentInformation(webBrowser.getBrowserApplication());
		serviceRequest.setLocale(webBrowser.getLocale().toString());
		serviceRequest.setOperatingSystem(WebBrowserUtil.getOperatingSystem(webBrowser));
		serviceRequest.setSessionType(ApplicationSessionType.ANONYMOUS);

		final ServiceResponse serviceResponse = applicationManager.service(serviceRequest);
		LOGGER.info(LOG_INFO_BROWSER_ADDRESS_APPLICATION_SESSION_ID_RESULT,requestUrl.replaceAll(CRLF,CRLF_REPLACEMENT),language.replaceAll(CRLF,CRLF_REPLACEMENT),ipInformation.replaceAll(CRLF,CRLF_REPLACEMENT),webBrowser.getBrowserApplication().replaceAll(CRLF,CRLF_REPLACEMENT),serviceRequest.getSessionId().replaceAll(CRLF,CRLF_REPLACEMENT),serviceResponse.getResult().toString().replaceAll(CRLF,CRLF_REPLACEMENT));
	}
}
 

@Override
public boolean handleRequest(VaadinSession session, VaadinRequest request,
        VaadinResponse response) throws IOException {
    if (request.getParameter("code") != null) {
        String code = request.getParameter("code");
        Verifier v = new Verifier(code);
        Token t = service.getAccessToken(null, v);

        OAuthRequest r = new OAuthRequest(Verb.GET,
                "https://www.googleapis.com/plus/v1/people/me");
        service.signRequest(t, r);
        Response resp = r.send();

        GooglePlusAnswer answer = new Gson().fromJson(resp.getBody(),
                GooglePlusAnswer.class);

        userSession.login(answer.emails[0].value, answer.displayName);

        close();
        VaadinSession.getCurrent().removeRequestHandler(this);

        ((VaadinServletResponse) response).getHttpServletResponse().
                sendRedirect(redirectUrl);
        return true;
    }

    return false;
}
 

@Override
public SecurityContext get() {
    VaadinSession vaadinSession = VaadinSession.getCurrent();
    if (vaadinSession != null && vaadinSession.hasLock()) {
        return vaadinSession.getAttribute(SecurityContext.class);
    }

    return super.get();
}