Java 类com.vaadin.server.VaadinSession 实例源码

项目：holon-vaadin 文件：AbstractVaadinTest.java

/**
 * Create a VaadinSession
 * @param locale Client locale
 * @return VaadinSession instance
 * @throws Exception Failed to create session
 */
protected VaadinSession createVaadinSession(Locale locale) throws Exception {
    WrappedSession wrappedSession = mock(WrappedSession.class);
    VaadinServletService vaadinService = mock(VaadinServletService.class);
    when(vaadinService.getDeploymentConfiguration())
            .thenReturn(new DefaultDeploymentConfiguration(VaadinServletService.class, getDeploymentProperties()));

    VaadinSession session = mock(VaadinSession.class);
    when(session.getState()).thenReturn(VaadinSession.State.OPEN);
    when(session.getSession()).thenReturn(wrappedSession);
    when(session.getService()).thenReturn(vaadinService);
    when(session.getSession().getId()).thenReturn(TEST_SESSION_ID);
    when(session.hasLock()).thenReturn(true);
    when(session.getLocale()).thenReturn(locale != null ? locale : Locale.US);
    return session;
}

项目：holon-vaadin7 文件：VaadinSessionScope.java

@SuppressWarnings("unchecked")
@Override
public <T> Optional<T> get(String resourceKey, Class<T> resourceType) throws TypeMismatchException {
    ObjectUtils.argumentNotNull(resourceKey, "Resource key must be not null");
    ObjectUtils.argumentNotNull(resourceType, "Resource type must be not null");

    final VaadinSession session = VaadinSession.getCurrent();

    if (session != null) {

        Object value = session.getAttribute(resourceKey);
        if (value != null) {

            // check type
            if (!TypeUtils.isAssignable(value.getClass(), resourceType)) {
                throw new TypeMismatchException("<" + NAME + "> Actual resource type [" + value.getClass().getName()
                        + "] and required resource type [" + resourceType.getName() + "] mismatch");
            }

            return Optional.of((T) value);

        }
    }

    return Optional.empty();
}

项目：holon-vaadin7 文件：VaadinSessionScope.java

@SuppressWarnings("unchecked")
@Override
public <T> Optional<T> put(String resourceKey, T value) throws UnsupportedOperationException {
    ObjectUtils.argumentNotNull(resourceKey, "Resource key must be not null");

    final VaadinSession session = VaadinSession.getCurrent();
    if (session == null) {
        throw new IllegalStateException("Current VaadinSession not available");
    }

    Object exist = session.getAttribute(resourceKey);

    session.setAttribute(resourceKey, value);

    try {
        T previous = (T) exist;
        return Optional.ofNullable(previous);
    } catch (@SuppressWarnings("unused") Exception e) {
        // ignore
        return Optional.empty();
    }
}

项目：holon-vaadin7 文件：VaadinSessionScope.java

@SuppressWarnings("unchecked")
@Override
public <T> Optional<T> putIfAbsent(String resourceKey, T value) throws UnsupportedOperationException {
    ObjectUtils.argumentNotNull(resourceKey, "Resource key must be not null");

    final VaadinSession session = VaadinSession.getCurrent();
    if (session == null) {
        throw new IllegalStateException("Current VaadinSession not available");
    }

    if (value != null) {
        synchronized (session) {
            Object exist = session.getAttribute(resourceKey);
            if (exist == null) {
                session.setAttribute(resourceKey, value);
            } else {
                return Optional.of((T) exist);
            }
        }
    }

    return Optional.empty();
}

项目：holon-vaadin7 文件：AbstractVaadinTest.java

/**
 * Create a VaadinSession
 * @param locale Client locale
 * @return VaadinSession instance
 * @throws Exception Failed to create session
 */
protected VaadinSession createVaadinSession(Locale locale) throws Exception {
    WrappedSession wrappedSession = mock(WrappedSession.class);
    VaadinServletService vaadinService = mock(VaadinServletService.class);
    when(vaadinService.getDeploymentConfiguration())
            .thenReturn(new DefaultDeploymentConfiguration(VaadinServletService.class, getDeploymentProperties()));

    VaadinSession session = mock(VaadinSession.class);
    when(session.getState()).thenReturn(VaadinSession.State.OPEN);
    when(session.getSession()).thenReturn(wrappedSession);
    when(session.getService()).thenReturn(vaadinService);
    when(session.getSession().getId()).thenReturn(TEST_SESSION_ID);
    when(session.hasLock()).thenReturn(true);
    when(session.getLocale()).thenReturn(locale != null ? locale : Locale.US);
    return session;
}

项目：holon-vaadin7 文件：TestDeviceInfo.java

@Test
public void testFromRequest() {

    final DeviceInfo di = DeviceInfo.create(VaadinService.getCurrentRequest());
    assertNotNull(di);

    VaadinSession session = mock(VaadinSession.class);
    when(session.getState()).thenReturn(VaadinSession.State.OPEN);
    when(session.getSession()).thenReturn(mock(WrappedSession.class));
    when(session.getService()).thenReturn(mock(VaadinServletService.class));
    when(session.getSession().getId()).thenReturn(TEST_SESSION_ID);
    when(session.hasLock()).thenReturn(true);
    when(session.getLocale()).thenReturn(Locale.US);
    when(session.getAttribute(DeviceInfo.SESSION_ATTRIBUTE_NAME)).thenReturn(di);
    CurrentInstance.set(VaadinSession.class, session);

    Optional<DeviceInfo> odi = DeviceInfo.get();

    assertTrue(odi.isPresent());

}

项目：esup-ecandidat 文件：AdminView.java

/**
 * Confirme la fermeture d'une session
 * @param session la session a kill
 */
public void confirmKillSession(SessionPresentation session) {
    SessionPresentation user = (SessionPresentation) uisContainer.getParent(session);       
    String userName = applicationContext.getMessage("user.notconnected", null, UI.getCurrent().getLocale());
    if (user != null){
        userName = user.getId();
    }

    ConfirmWindow confirmWindow = new ConfirmWindow(applicationContext.getMessage("admin.uiList.confirmKillSession", new Object[]{session.getId(), userName}, UI.getCurrent().getLocale()));
    confirmWindow.addBtnOuiListener(e -> {
        VaadinSession vaadinSession = uiController.getSession(session);         
        Collection<SessionPresentation> listeUI = null;
        if (uisContainer.getChildren(session) != null){
            listeUI = (Collection<SessionPresentation>) uisContainer.getChildren(session);
        }           
        if (vaadinSession != null){
            uiController.killSession(vaadinSession, listeUI);
        }else{
            Notification.show(applicationContext.getMessage("admin.uiList.confirmKillSession.error", null, UI.getCurrent().getLocale()), Type.WARNING_MESSAGE);
        }
        removeElement(session);
    });
    UI.getCurrent().addWindow(confirmWindow);
}

项目：esup-ecandidat 文件：UiController.java

/**
 * @param user
 * @return un user
 */
public UserDetails getUser(SessionPresentation user){
    for (MainUI ui : getUis()){
        try{
            VaadinSession session = ui.getSession();
            if (session == null || session.getSession()==null){
                return null;
            }
            SecurityContext securityContext = (SecurityContext) session.getSession().getAttribute(HttpSessionSecurityContextRepository.SPRING_SECURITY_CONTEXT_KEY);

            if (securityContext==null || securityContext.getAuthentication()==null){
                return null;
            }else{
                UserDetails details = (UserDetails) securityContext.getAuthentication().getPrincipal();
                if (details!=null && details.getUsername().equals(user.getId())){
                    return details;
                }
            }               
        }catch (Exception e){}  
    }
    return null;
}

项目：osc-core 文件：UiListenerDelegate.java

private void closeUserVaadinSessions(String loginName) {
    // CopyOnWriteArrayList is thread safe for iteration under update
    for (HttpSession session : this.sessions) {
        for (VaadinSession vaadinSession : VaadinSession.getAllSessions(session)) {
            Object userName = vaadinSession.getAttribute("user");
            if (loginName == null || loginName.equals(userName)) {
                vaadinSession.close();

                // Redirect all UIs to force the close
                for (UI ui : vaadinSession.getUIs()) {
                    ui.access(() -> {
                        ui.getPage().setLocation("/");
                    });
    }
            }
        }
    }
}

项目：osc-core 文件：UiServlet.java

/**
 * Every incoming request should set the current user context
 */
@Override
protected VaadinServletRequest createVaadinRequest(HttpServletRequest request) {
    VaadinServletRequest vaadinRequest = super.createVaadinRequest(request);

    VaadinSession vaadinSession;
    try {
        vaadinSession = getService().findVaadinSession(vaadinRequest);
    } catch (Exception e) {
        // This exception will be handled later when we try to service
        // the request
        vaadinSession = null;
    }

    if(vaadinSession != null) {
        this.userContext.setUser((String) vaadinSession.getAttribute("user"));
    } else {
        this.userContext.setUser(null);
    }

    return vaadinRequest;
}

项目：tinypounder 文件：TinyPounderMainUI.java

@Override
protected void init(VaadinRequest vaadinRequest) {
  VaadinSession.getCurrent().getSession().setMaxInactiveInterval(-1);
  Page.getCurrent().setTitle("Tiny Pounder (" + VERSION + ")");

  setupLayout();
  addKitControls();
  updateKitControls();
  initVoltronConfigLayout();
  initVoltronControlLayout();
  initRuntimeLayout();
  addExitCloseTab();
  updateServerGrid();

  // refresh consoles if any
  consoleRefresher = scheduledExecutorService.scheduleWithFixedDelay(
      () -> access(() -> runningServers.values().forEach(RunningServer::refreshConsole)),
      2, 2, TimeUnit.SECONDS);
}

项目：holon-vaadin 文件：VaadinSessionScope.java

@SuppressWarnings("unchecked")
@Override
public <T> Optional<T> get(String resourceKey, Class<T> resourceType) throws TypeMismatchException {
    ObjectUtils.argumentNotNull(resourceKey, "Resource key must be not null");
    ObjectUtils.argumentNotNull(resourceType, "Resource type must be not null");

    final VaadinSession session = VaadinSession.getCurrent();

    if (session != null) {

        Object value = session.getAttribute(resourceKey);
        if (value != null) {

            // check type
            if (!TypeUtils.isAssignable(value.getClass(), resourceType)) {
                throw new TypeMismatchException("<" + NAME + "> Actual resource type [" + value.getClass().getName()
                        + "] and required resource type [" + resourceType.getName() + "] mismatch");
            }

            return Optional.of((T) value);

        }
    }

    return Optional.empty();
}

项目：holon-vaadin 文件：VaadinSessionScope.java

@SuppressWarnings("unchecked")
@Override
public <T> Optional<T> put(String resourceKey, T value) throws UnsupportedOperationException {
    ObjectUtils.argumentNotNull(resourceKey, "Resource key must be not null");

    final VaadinSession session = VaadinSession.getCurrent();
    if (session == null) {
        throw new IllegalStateException("Current VaadinSession not available");
    }

    Object exist = session.getAttribute(resourceKey);

    session.setAttribute(resourceKey, value);

    try {
        T previous = (T) exist;
        return Optional.ofNullable(previous);
    } catch (@SuppressWarnings("unused") Exception e) {
        // ignore
        return Optional.empty();
    }
}

项目：holon-vaadin 文件：VaadinSessionScope.java

@SuppressWarnings("unchecked")
@Override
public <T> Optional<T> putIfAbsent(String resourceKey, T value) throws UnsupportedOperationException {
    ObjectUtils.argumentNotNull(resourceKey, "Resource key must be not null");

    final VaadinSession session = VaadinSession.getCurrent();
    if (session == null) {
        throw new IllegalStateException("Current VaadinSession not available");
    }

    if (value != null) {
        synchronized (session) {
            Object exist = session.getAttribute(resourceKey);
            if (exist == null) {
                session.setAttribute(resourceKey, value);
            } else {
                return Optional.of((T) exist);
            }
        }
    }

    return Optional.empty();
}

项目：holon-vaadin 文件：TestDeviceInfo.java

@Test
public void testFromRequest() {

    final DeviceInfo di = DeviceInfo.create(VaadinService.getCurrentRequest());
    assertNotNull(di);

    VaadinSession session = mock(VaadinSession.class);
    when(session.getState()).thenReturn(VaadinSession.State.OPEN);
    when(session.getSession()).thenReturn(mock(WrappedSession.class));
    when(session.getService()).thenReturn(mock(VaadinServletService.class));
    when(session.getSession().getId()).thenReturn(TEST_SESSION_ID);
    when(session.hasLock()).thenReturn(true);
    when(session.getLocale()).thenReturn(Locale.US);
    when(session.getAttribute(DeviceInfo.SESSION_ATTRIBUTE_NAME)).thenReturn(di);
    CurrentInstance.set(VaadinSession.class, session);

    Optional<DeviceInfo> odi = DeviceInfo.get();

    assertTrue(odi.isPresent());

}

项目：imotSpot 文件：DashboardView.java

@Override
    public void dashboardNameEdited(final Imot imot) throws Exception {
//        titleLabel.setValue(name);
        User user = (User) VaadinSession.getCurrent().getAttribute(User.class.getName());

        if (user.role().equals("guest")) {
            return;
        }

        GoogleMapMarker marker = imot.getLocation().marker().googleMarker();
        googleMap.addMarker(marker);
        googleMap.setCenter(centerSofia);

        user.addImot(imot);
        new UserVertex(user).saveOrUpdateInNewTX();
    }

项目：imotSpot 文件：DashboardUI.java

/**
     * Updates the correct content for this UI based on the current user status.
     * If the user is logged in with appropriate privileges, main view is shown.
     * Otherwise login view is shown.
     */
    private void updateContent() {
        User user = (User) VaadinSession.getCurrent().getAttribute(
                User.class.getName());
        if (user == null) {
            user = UserBean.builder()
                    .oauthIdentifier("")
                    .firstName("guest")
                    .lastName("")
                    .role("guest")
                    .build();
            VaadinSession.getCurrent().setAttribute(User.class.getName(), user);
        }
            setContent(new MainView());
            removeStyleName("loginview");
            getNavigator().navigateTo(getNavigator().getState());
//        } else {
//            setContent(new LoginView());
//            addStyleName("loginview");
//        }
    }

项目：vaadin-vertx-samples 文件：VertxVaadinService.java

@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;
}

项目：cuba 文件：CubaUidlWriter.java

@SuppressWarnings("deprecation")
@Override
protected void handleAdditionalDependencies(List<Class<? extends ClientConnector>> newConnectorTypes,
                                            List<String> scriptDependencies, List<String> styleDependencies) {
    LegacyCommunicationManager manager = VaadinSession.getCurrent().getCommunicationManager();

    for (Class<? extends ClientConnector> connector : newConnectorTypes) {
        WebJarResource webJarResource = connector.getAnnotation(WebJarResource.class);
        if (webJarResource == null)
            continue;

        for (String uri : webJarResource.value()) {
            uri = processResourceUri(uri);

            if (uri.endsWith(JAVASCRIPT_EXTENSION)) {
                scriptDependencies.add(manager.registerDependency(uri, connector));
            }

            if (uri.endsWith(CSS_EXTENSION)) {
                styleDependencies.add(manager.registerDependency(uri, connector));
            }
        }
    }
}

项目：cuba 文件：StringToEnumConverter.java

@Override
public Enum convertToModel(String value, Class<? extends Enum> targetType, Locale locale)
        throws ConversionException {
    if (value == null) {
        return null;
    }

    if (locale == null) {
        locale = VaadinSession.getCurrent().getLocale();
    }

    if (isTrimming()) {
        value = StringUtils.trimToEmpty(value);
    }

    Object[] enumConstants = enumClass.getEnumConstants();
    if (enumConstants != null) {
        for (Object enumValue : enumConstants) {
            if (Objects.equals(value, messages.getMessage((Enum) enumValue, locale))) {
                return (Enum) enumValue;
            }
        }
    }

    return null;
}

项目：cuba 文件：StringToEnumConverter.java

@Override
public String convertToPresentation(Enum value, Class<? extends String> targetType, Locale locale)
        throws ConversionException {

    if (getFormatter() != null) {
        return getFormatter().format(value);
    }

    if (value == null) {
        return null;
    }

    if (locale == null) {
        locale = VaadinSession.getCurrent().getLocale();
    }

    return messages.getMessage(value, locale);
}

项目：cuba 文件：StringToDatatypeConverter.java

@Override
public Object convertToModel(String value, Class<?> targetType, Locale locale) throws ConversionException {
    try {
        if (locale == null) {
            locale = VaadinSession.getCurrent().getLocale();
        }

        if (isTrimming()) {
            value = StringUtils.trimToEmpty(value);
        }

        if (locale != null) {
            return datatype.parse(value, locale);
        }

        return datatype.parse(value);
    } catch (ParseException e) {
        throw new ConversionException(e);
    }
}

项目：cuba 文件：StringToDatatypeConverter.java

@Override
public String convertToPresentation(Object value, Class<? extends String> targetType, Locale locale)
        throws ConversionException {
    if (getFormatter() != null) {
        return getFormatter().format(value);
    }

    if (locale == null) {
        locale = VaadinSession.getCurrent().getLocale();
    }

    if (locale != null) {
        return datatype.format(value, locale);
    }

    return datatype.format(value);
}

项目：cuba 文件：App.java

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);
            });
        }
    }
}

项目：cuba 文件：WebDateFieldTest.java

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

    new NonStrictExpectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH;
            VaadinSession.getCurrent(); result = vaadinSession;

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

    factory = new WebComponentsFactory();
}

项目：cuba 文件：WebTextFieldTest.java

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

    new NonStrictExpectations() {
        {
            vaadinSession.getLocale(); result = Locale.ENGLISH;
            VaadinSession.getCurrent(); result = vaadinSession;

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

    factory = new WebComponentsFactory();
}

项目：vaadin-jcrop 文件：Jcrop.java

/**
 * initalize a unique RequestHandler
 */
private void initRequestHandler() {
    if (this.requestHandlerUri == null) {
        this.requestHandlerUri = UUID.randomUUID()
                .toString();
        VaadinSession.getCurrent()
                .addRequestHandler(new RequestHandler() {

                    @Override
                    public boolean handleRequest(final VaadinSession session, final VaadinRequest request, final VaadinResponse response)
                            throws IOException {
                        if (String.format("/%s", Jcrop.this.requestHandlerUri)
                                .equals(request.getPathInfo())) {
                            Jcrop.this.resource.getStream()
                                    .writeResponse(request, response);
                            return true;
                        } else {
                            return false;
                        }
                    }
                });
    }
}

项目：cherry-web 文件：ControlServlet.java

@Override
protected boolean isStaticResourceRequest(HttpServletRequest request) {
    // set user and trace ...

    boolean ret = super.isStaticResourceRequest(request);
    if (!ret) {
        try {
            VaadinServletRequest vs = createVaadinRequest(request);
            VaadinSession vaadinSession = getService().findVaadinSession(vs);
            request.setAttribute("__vs", vaadinSession);
            for (UI ui : vaadinSession.getUIs()) {
                if (ui instanceof ControlUi)
                    ((ControlUi)ui).requestBegin(request);
            }
        } catch (Throwable t) {

        }
    }
    return ret;
   }

项目：vaadin4spring 文件：SecurityContextVaadinRequestListener.java

@Override
public void onRequestEnd(VaadinRequest request, VaadinResponse response, VaadinSession session) {
    try {
        if (session != null) {
            SecurityContext securityContext = SecurityContextHolder.getContext();
            logger.trace("Storing security context {} in VaadinSession {}", securityContext, session);
            session.lock();
            try {
                session.setAttribute(SECURITY_CONTEXT_SESSION_ATTRIBUTE, securityContext);
            } finally {
                session.unlock();
            }
        } else {
            logger.trace("No VaadinSession available for storing the security context");
        }
    } finally {
        logger.trace("Clearing security context");
        SecurityContextHolder.clearContext();
    }
}

项目：dhconvalidator 文件：UserSwitchPanel.java

/**
 * Setup UI.
 */
private void initComponents() {
    List<User> users = UserList.INSTANCE.getUsers();
    userSwitchBox = new ComboBox(Messages.getString("UserSwitchPanel.boxCaption")); //$NON-NLS-1$
    setUsers(users);
    User current = (User) VaadinSession.getCurrent().getAttribute(SessionStorageKey.USER.name());
    userSwitchBox.setValue(current);

    userSwitchBox.setDescription(
        Messages.getString("UserSwitchPanel.boxDescription")); //$NON-NLS-1$
    userSwitchBox.setNewItemsAllowed(false);
    userSwitchBox.setNullSelectionAllowed(false);

    addComponent(userSwitchBox);
    btReload = new Button(Messages.getString("UserSwitchPanel.reloadCaption")); //$NON-NLS-1$
    btReload.setStyleName(BaseTheme.BUTTON_LINK);
    btReload.addStyleName("plain-link"); //$NON-NLS-1$

    addComponent(btReload);
}

项目：dhconvalidator 文件：PaperSelectionPanel.java

/**
 * Load and display the current papers.
 */
private void initData() {
    postDownloadLabel.setVisible(false);

    paperTable.removeAllItems();
    try {
        List<Paper> papers = PropertyKey.getPaperProviderInstance().getPapers(
                (User)VaadinSession.getCurrent().getAttribute(SessionStorageKey.USER.name()));
        for (Paper paper : papers) {
            paperTable.addItem(new Object[] {paper.getTitle()}, paper);
        }
    }
    catch (IOException e) {
        e.printStackTrace();
        Notification.show(
            Messages.getString("PaperSelectionPanel.error1Title"),  //$NON-NLS-1$
            Messages.getString(
                    "PaperSelectionPanel.conftoolerrormsg",//$NON-NLS-1$
                     e.getLocalizedMessage()),
            Type.ERROR_MESSAGE);
    }

}

项目：dhconvalidator 文件：ConverterPanel.java

/**
     * @return the download stream of the {@link ZipResult}-data.
     */
    private InputStream createResultStream() {
        try {
            ZipResult result = (ZipResult) VaadinSession.getCurrent().getAttribute(
                    SessionStorageKey.ZIPRESULT.name());
            logArea.setValue("");
            confToolLabel.setVisible(true);
//          UI.getCurrent().push();

            return new ByteArrayInputStream(result.toZipData());
        } catch (IOException e) {
            e.printStackTrace();
            Notification.show(
                    Messages.getString("ConverterPanel.resultCreationErrorTitle"),  //$NON-NLS-1$
                    Messages.getString("ConverterPanel.resultCreationErrorMsg"), //$NON-NLS-1$
                    Type.ERROR_MESSAGE);
            return null;
        }
    }

项目：dhconvalidator 文件：LoginPanel.java

/**
 * Authentication via ConfTool.
 * 
 * @param username
 * @param pass
 */
protected void authenticate(String username, char[] pass) {
    UserProvider userProvider = PropertyKey.getUserProviderInstance();
    try {
        User user = userProvider.authenticate(username, pass);

        user = 
            userProvider.getDetailedUser(user);

        VaadinSession.getCurrent().setAttribute(
            SessionStorageKey.USER.name(), user);
        UI.getCurrent().setContent(new LoginResultPanel());
    } catch (IOException e) {
        e.printStackTrace();
        UI.getCurrent().setContent(new LoginResultPanel(e.getLocalizedMessage()));
    } catch (UserProvider.AuthenticationException a) {
        a.printStackTrace();
        UI.getCurrent().setContent(new LoginResultPanel(a.getLocalizedMessage()));
    }
}

项目：enterprise-app 文件：EnterpriseApplication.java

/**
 * Adds a default transaction listener.
 */
@Override
public void init() {
    final LegacyApplication app = this;

    VaadinSession.getCurrent().setErrorHandler(new ErrorHandler() {
        private static final long serialVersionUID = 1L;

        @Override
        public void error(ErrorEvent event) {
            Utils.terminalError(event, app);
        }
    });

    if(!Db.isInitialized()) {
        logger.warn("No TransactionListener added: Database is not initialized. You can initialize a database configuring a new 'DefaultTransactionListener' in your web.xml and adding a 'configuration.properties' file to your classpath.");
    }

    VaadinSession.getCurrent().setAttribute("application", this);
}

项目：vaadin7-workshop 文件：MainScreen.java

public MainScreen() {
    Label loginLabel = new Label("Welcome " + VaadinSession.getCurrent().getAttribute(String.class));
    HorizontalLayout menuBar = new HorizontalLayout(loginLabel);
    MessageTable table = new MessageTable();
    TextArea messageArea = new TextArea();
    messageArea.setWidth(100, PERCENTAGE);
    Button sendButton = new Button("Send");
    sendButton.addClickListener(new SendMessageClickListener(table, messageArea));
    HorizontalLayout lowerBar = new HorizontalLayout(messageArea, sendButton);
    lowerBar.setWidth(100, PERCENTAGE);
    lowerBar.setSpacing(true);
    VerticalLayout mainLayout = new VerticalLayout(menuBar, table, lowerBar);
    mainLayout.setSpacing(true);
    mainLayout.setMargin(true);
    mainLayout.setSizeFull();
    setCompositionRoot(mainLayout);
}

项目：hypothesis 文件：SlideContainerPresenter.java

@Override
public void attach(Component component, HasComponents parent, UI ui, VaadinSession session) {
    if (component instanceof SlideContainer) {
        viewportEventManager.setEnabled(true);
        messageEventManager.setEnabled(true);

        fireEvent(new ViewportEvent.Init(container));

        if (ui instanceof HypothesisUI) {
            this.ui = (HypothesisUI) ui;

            addWindows(ui);
            addTimers(this.ui);
            addKeyActions(ui);

            BroadcastService.register(this);
        }
        fireEvent(new ViewportEvent.Show(component));
    }
}

项目：hypothesis 文件：SlideContainerPresenter.java

@Override
public void detach(Component component, HasComponents parent, UI ui, VaadinSession session) {
    this.ui = null;

    viewportEventManager.setEnabled(false);
    messageEventManager.setEnabled(false);

    BroadcastService.unregister(this);

    if (ui instanceof HypothesisUI) {
        HypothesisUI hui = (HypothesisUI) ui;
        hui.removeAllTimers();
        removeKeyActions();
        removeWindows();
    }
}

项目：hypothesis 文件：HibernateUtil.java

/**
 * All hibernate operations take place within a session. The session for the
 * current thread is provided here.
 */
public static Session getSession() throws NullPointerException {
    SessionMap sessions = VaadinSession.getCurrent().getAttribute(SessionMap.class);
    if (null == sessions) {
        sessions = new SessionMap();
        VaadinSession.getCurrent().setAttribute(SessionMap.class, sessions);
    }

    String threadGroup = Thread.currentThread().getThreadGroup().getName();
    Session session = sessions.get(threadGroup);
    if (null == session) {
        session = sessionFactory.openSession();
        sessions.put(threadGroup, session);
    }
    return session;
}

项目：panifex-platform 文件：ModularSessionInitListenerTest.java

@Test
public void testOnSessionInit() throws Exception {
    SessionInitEvent event = createMock(SessionInitEvent.class);

    // expect adding ui provider
    VaadinSession sessionMock = createMock(VaadinSession.class);
    expect(event.getSession()).andReturn(sessionMock);
    sessionMock.addUIProvider(uiProviderMock);

    replayAll();
    try {
        listener.sessionInit(event);
    } finally {
        verifyAll();
    }
}

项目：jdal 文件：VaadinScope.java

/**
 * {@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;
}