Example usage for com.vaadin.server VaadinSession getCurrent

Introduction

In this page you can find the example usage for com.vaadin.server VaadinSession getCurrent.

Prototype

public static VaadinSession getCurrent()

Source Link

Document

Gets the currently used session.

Usage

From source file:com.haulmont.cuba.web.App.java

License:Apache License

public void setLocale(Locale locale) {
    UserSession session = getConnection().getSession();
    if (session != null) {
        session.setLocale(locale);/*from www.  jav a2 s.c om*/
    }

    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);
            });
        }
    }
}

From source file:com.haulmont.cuba.web.DefaultApp.java

License:Apache License

protected void redirectAfterLogout(String loggedOutUrl) {
    if (!Strings.isNullOrEmpty(loggedOutUrl)) {
        AppUI currentUi = AppUI.getCurrent();
        // it can be null if we handle request in a custom RequestHandler
        if (currentUi != null) {
            currentUi.setContent(null);//from  w w w  .j av a  2 s  .  c  om
            currentUi.getPage().setLocation(loggedOutUrl);
        } else {
            VaadinResponse response = VaadinService.getCurrentResponse();
            try {
                ((VaadinServletResponse) response).getHttpServletResponse().sendRedirect(loggedOutUrl);
            } catch (IOException e) {
                log.error("Error on send redirect to client", e);
            }
        }

        VaadinSession vaadinSession = VaadinSession.getCurrent();
        for (UI ui : vaadinSession.getUIs()) {
            if (ui != currentUi) {
                ui.access(() -> {
                    ui.setContent(null);
                    ui.getPage().setLocation(loggedOutUrl);
                });
            }
        }
    }
}

From source file:com.haulmont.cuba.web.DefaultApp.java

License:Apache License

protected void preventSessionFixation(Connection connection, UserSession userSession) {
    if (connection.isAuthenticated() && !isLoggedInWithExternalAuth(userSession)
            && webConfig.getUseSessionFixationProtection() && VaadinService.getCurrentRequest() != null) {

        VaadinService.reinitializeSession(VaadinService.getCurrentRequest());

        WrappedSession session = VaadinSession.getCurrent().getSession();
        int timeout = webConfig.getHttpSessionExpirationTimeoutSec();
        session.setMaxInactiveInterval(timeout);

        HttpSession httpSession = session instanceof WrappedHttpSession
                ? ((WrappedHttpSession) session).getHttpSession()
                : null;// w w w . j  av a  2  s  .com
        log.debug("Session reinitialized: HttpSession={}, timeout={}sec, UserSession={}", httpSession, timeout,
                connection.getSession());
    }
}

From source file:com.haulmont.cuba.web.gui.components.converters.StringToDatatypeConverter.java

License:Apache License

@Override
public Object convertToModel(String value, Class<?> targetType, Locale locale) throws ConversionException {
    try {//from   ww w.  ja  va2 s . c o  m
        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);
    }
}

From source file:com.haulmont.cuba.web.gui.components.converters.StringToDatatypeConverter.java

License:Apache License

@Override
public String convertToPresentation(Object value, Class<? extends String> targetType, Locale locale)
        throws ConversionException {
    if (getFormatter() != null) {
        return getFormatter().format(value);
    }/* ww  w  .  ja  v  a  2  s.  c  om*/

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

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

    return datatype.format(value);
}

From source file:com.haulmont.cuba.web.gui.components.converters.StringToEnumConverter.java

License:Apache License

@Override
public Enum convertToModel(String value, Class<? extends Enum> targetType, Locale locale)
        throws ConversionException {
    if (value == null) {
        return null;
    }/*from   w w w  .  j  a  v a2 s.co  m*/

    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;
}

From source file:com.haulmont.cuba.web.gui.components.converters.StringToEnumConverter.java

License:Apache License

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

    if (getFormatter() != null) {
        return getFormatter().format(value);
    }//from  ww w.  j  a va  2 s.c  o  m

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

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

    return messages.getMessage(value, locale);
}

From source file:com.haulmont.cuba.web.gui.executors.impl.WebBackgroundWorker.java

License:Apache License

@Override
public void checkUIAccess() {
    VaadinSession vaadinSession = VaadinSession.getCurrent();

    if (vaadinSession == null || !vaadinSession.hasLock()) {
        throw new IllegalConcurrentAccessException();
    }/*from  w w  w  .j  a  v  a2 s  .  c  o m*/
}

From source file:com.haulmont.cuba.web.security.ConnectionImpl.java

License:Apache License

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);
    }//from   w w w  .  j  av a2 s  .co m
    return webBrowser;
}

From source file:com.haulmont.cuba.web.security.ConnectionImpl.java

License:Apache License

protected ClientUserSession getSessionInternal() {
    return (ClientUserSession) VaadinSession.getCurrent().getAttribute(UserSession.class);
}