Java VaadinSession.setAttribute方法代碼示例

本文整理匯總了Java中com.vaadin.server.VaadinSession.setAttribute方法的典型用法代碼示例。如果您正苦於以下問題：Java VaadinSession.setAttribute方法的具體用法？Java VaadinSession.setAttribute怎麽用？Java VaadinSession.setAttribute使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類com.vaadin.server.VaadinSession的用法示例。

在下文中一共展示了VaadinSession.setAttribute方法的14個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: put

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
@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();
	}
}

開發者ID:holon-platform，項目名稱:holon-vaadin7，代碼行數:23，代碼來源:VaadinSessionScope.java

示例2: putIfAbsent

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
@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();
}

開發者ID:holon-platform，項目名稱:holon-vaadin7，代碼行數:24，代碼來源:VaadinSessionScope.java

示例3: onRequestEnd

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
@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();
    }
}

開發者ID:peholmst，項目名稱:vaadin4spring，代碼行數:21，代碼來源:SecurityContextVaadinRequestListener.java

示例4: enter

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
@Override
public void enter(ViewChangeListener.ViewChangeEvent event) {
    Label errorLabel = new Label("エラーが発生しました。");
    errorLabel.setStyleName(ValoTheme.LABEL_FAILURE);

    VaadinSession session = VaadinSession.getCurrent();
    String paramMessage = (String) session.getAttribute(PARAM_MESSAGE);
    if (paramMessage != null) {
        addComponent(new Label(paramMessage));
    }
    session.setAttribute(PARAM_MESSAGE, null);
    Throwable paramThrowable = (Throwable) session.getAttribute(PARAM_THROWABLE);
    if (paramThrowable != null) {
        addComponent(new Label(throwable2html(paramThrowable), ContentMode.HTML));
    }
    session.setAttribute(PARAM_THROWABLE, null);
    log.error(paramMessage, paramThrowable);

    if (paramThrowable instanceof AuthenticationException) {
        Button loginButton = new Button("ログイン", click -> getUI().getNavigator().navigateTo(LoginView.VIEW_NAME));
        addComponent(loginButton);
        setComponentAlignment(loginButton, Alignment.MIDDLE_CENTER);
    }

    Button homeButton = new Button("ホーム", click -> getUI().getNavigator().navigateTo(FrontView.VIEW_NAME));
    addComponent(homeButton);
    setComponentAlignment(homeButton, Alignment.MIDDLE_CENTER);
}

開發者ID:JavaTrainingCourse，項目名稱:obog-manager，代碼行數:29，代碼來源:ErrorView.java

示例5: remove

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
@Override
public boolean remove(String resourceKey) 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, null);

	return exist != null;
}

開發者ID:holon-platform，項目名稱:holon-vaadin7，代碼行數:15，代碼來源:VaadinSessionScope.java

示例6: ensureInited

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
/**
 * Ensure that a {@link DeviceInfo} is available from given Vaadin <code>session</code>. For successful
 * initialization, a {@link VaadinService#getCurrentRequest()} must be available.
 * @param session Vaadin session (not null)
 */
static void ensureInited(VaadinSession session) {
	ObjectUtils.argumentNotNull(session, "VaadinSession must be not null");
	synchronized (session) {
		if (session.getAttribute(SESSION_ATTRIBUTE_NAME) == null && VaadinService.getCurrentRequest() != null) {
			session.setAttribute(SESSION_ATTRIBUTE_NAME, create(VaadinService.getCurrentRequest()));
		}
	}
}

開發者ID:holon-platform，項目名稱:holon-vaadin，代碼行數:14，代碼來源:DeviceInfo.java

示例7: getCurrent

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
public static final SwipeHelper getCurrent()
{
	final VaadinSession session = UI.getCurrent().getSession();
	SwipeHelper swipe = session.getAttribute(SwipeHelper.class);
	if (swipe == null)
	{
		swipe = new SwipeHelper();
		session.setAttribute(SwipeHelper.class, swipe);
	}
	return swipe;
}

開發者ID:metasfresh，項目名稱:metasfresh-procurement-webui，代碼行數:12，代碼來源:SwipeHelper.java

示例8: set

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
@Override
public void set(SecurityContext securityContext) {
    VaadinSession vaadinSession = VaadinSession.getCurrent();
    if (vaadinSession != null && vaadinSession.hasLock()) {
        vaadinSession.setAttribute(SecurityContext.class, securityContext);
    } else {
        super.set(securityContext);
    }
}

開發者ID:cuba-platform，項目名稱:cuba，代碼行數:10，代碼來源:WebVaadinCompatibleSecurityContextHolder.java

示例9: getCache

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
protected Map<String, Optional<String>> getCache() {
    VaadinSession session = VaadinSession.getCurrent();
    @SuppressWarnings("unchecked")
    Map<String, Optional<String>> settings = (Map<String, Optional<String>>) session.getAttribute(SettingsClient.NAME);
    if (settings == null) {
        settings = new ConcurrentHashMap<>();
        session.setAttribute(SettingsClient.NAME, settings);
    }
    return settings;
}

開發者ID:cuba-platform，項目名稱:cuba，代碼行數:11，代碼來源:WebSettingsClient.java

示例10: show

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
static void show(String message, Throwable throwable) {
    VaadinSession session = VaadinSession.getCurrent();
    session.setAttribute(ErrorView.PARAM_MESSAGE, message);
    session.setAttribute(ErrorView.PARAM_THROWABLE, throwable);
    UI.getCurrent().getNavigator().navigateTo(ErrorView.VIEW_NAME);
}

開發者ID:JavaTrainingCourse，項目名稱:obog-manager，代碼行數:7，代碼來源:ErrorView.java

示例11: clearCache

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
public void clearCache() {
    VaadinSession session = VaadinSession.getCurrent();
    session.setAttribute(SettingsClient.NAME, null);
}

開發者ID:cuba-platform，項目名稱:cuba，代碼行數:5，代碼來源:WebSettingsClient.java

示例12: init

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
/**
 * Called when <em>the first</em> UI of the session is initialized.
 */
protected void init(Locale requestLocale) {
    VaadinSession vSession = VaadinSession.getCurrent();
    vSession.setAttribute(App.class, this);

    vSession.setLocale(messageTools.getDefaultLocale());

    // set root error handler for all session
    vSession.setErrorHandler(event -> {
        try {
            getExceptionHandlers().handle(event);
            getAppLog().log(event);
        } catch (Throwable e) {
            //noinspection ThrowableResultOfMethodCallIgnored
            log.error("Error handling exception\nOriginal exception:\n{}\nException in handlers:\n{}",
                    ExceptionUtils.getStackTrace(event.getThrowable()), ExceptionUtils.getStackTrace(e)
            );
        }
    });

    appLog = new AppLog();

    connection = createConnection();
    exceptionHandlers = new ExceptionHandlers(this);
    cookies = new AppCookies();

    themeConstants = loadTheme();

    VaadinServlet vaadinServlet = VaadinServlet.getCurrent();
    ServletContext sc = vaadinServlet.getServletContext();
    String resourcesTimestamp = sc.getInitParameter("webResourcesTs");
    if (StringUtils.isNotEmpty(resourcesTimestamp)) {
        this.webResourceTimestamp = resourcesTimestamp;
    }

    log.debug("Initializing application");

    // get default locale from config
    Locale targetLocale = resolveLocale(requestLocale);
    setLocale(targetLocale);
}

開發者ID:cuba-platform，項目名稱:cuba，代碼行數:44，代碼來源:App.java

示例13: setAttribute

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
public static <T> void setAttribute(Class<T> type, T value) {
	VaadinSession session = VaadinSession.getCurrent();
	if (session != null) {
		session.setAttribute(type, value);
	}
}

開發者ID:tilioteo，項目名稱:hypothesis，代碼行數:7，代碼來源:SessionUtils.java

示例14: clearAttribute

import com.vaadin.server.VaadinSession; //導入方法依賴的package包/類
public static <T> void clearAttribute(Class<T> type) {
	VaadinSession session = VaadinSession.getCurrent();
	if (session != null) {
		session.setAttribute(type, null);
	}
}

開發者ID:tilioteo，項目名稱:hypothesis，代碼行數:7，代碼來源:SessionUtils.java

注：本文中的com.vaadin.server.VaadinSession.setAttribute方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。