Examples of com.vaadin.Application$ApplicationError

com.vaadin.Application
Application error is an error message defined on the application level. When an error occurs on the application level, this error message type should be used. This indicates that the problem is caused by the application - not by the user.

        }
    }


    public void firePortletActionRequest(Portlet portlet,
            ActionRequest request, ActionResponse response) {
        Application app = getPortletApplication(portlet);
        Set listeners = (Set) portletListeners.get(app);
        if (listeners != null) {
            for (Iterator it = listeners.iterator(); it.hasNext();) {
                PortletListener l = (PortletListener) it.next();
                l.handleActionRequest(request, response);

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    public void valueUnbound(HttpSessionBindingEvent event) {
        // If we are going to be unbound from the session, the session must be
        // closing
        try {
            while (!applications.isEmpty()) {
                final Application app = applications.iterator().next();
                app.close();
                applicationToAjaxAppMgrMap.remove(app);
                removeApplication(app);
            }
        } catch (Exception e) {
            // This should never happen but is possible with rare

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            return locale;
        }
        if (parent != null) {
            return parent.getLocale();
        }
        final Application app = getApplication();
        if (app != null) {
            return app.getLocale();
        }
        return null;
    }

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    /**
     * Sets the focus for this component if the component is {@link Focusable}.
     */
    protected void focus() {
        if (this instanceof Focusable) {
            final Application app = getApplication();
            if (app != null) {
                getWindow().setFocusedComponent((Focusable) this);
                delayedFocus = false;
            } else {
                delayedFocus = true;

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    protected Application getNewApplication(HttpServletRequest request)
            throws ServletException {


        // Creates a new application instance
        try {
            final Application application = getApplicationClass().newInstance();


            return application;
        } catch (final IllegalAccessException e) {
            throw new ServletException("getNewApplication failed", e);
        } catch (final InstantiationException e) {

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    public void valueUnbound(HttpSessionBindingEvent event) {
        // If we are going to be unbound from the session, the session must be
        // closing
        try {
            while (!applications.isEmpty()) {
                final Application app = applications.iterator().next();
                app.close();
                removeApplication(app);
            }
        } catch (Exception e) {
            // This should never happen but is possible with rare
            // configurations (e.g. robustness tests). If you have one

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        if (value instanceof ExternalResource) {
            addAttribute(name, ((ExternalResource) value).getURL());


        } else if (value instanceof ApplicationResource) {
            final ApplicationResource r = (ApplicationResource) value;
            final Application a = r.getApplication();
            if (a == null) {
                throw new PaintException(
                        "Application not specified for resorce "
                                + value.getClass().getName());
            }
            String uri;
            if (a.getURL() != null) {
                uri = a.getURL().getPath();
            } else {
                uri = "";
            }
            if (uri.length() > 0 && uri.charAt(uri.length() - 1) != '/') {
                uri += "/";
            }
            uri += a.getRelativeLocation(r);
            addAttribute(name, uri);


        } else if (value instanceof ThemeResource) {
            final String uri = "theme://"
                    + ((ThemeResource) value).getResourceId();

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        // Gets file properties
        final String filename = upload.getContentName();
        final String type = upload.getContentType();


        final Application application = getApplication();


        synchronized (application) {
            fireStarted(filename, type);
        }

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    protected Application getNewApplication(HttpServletRequest request)
            throws ServletException {


        // Creates a new application instance
        try {
            final Application application = (Application) getApplicationClass()
                    .newInstance();
            return application;
        } catch (final IllegalAccessException e) {
            throw new ServletException(e);
        } catch (final InstantiationException e) {

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    @Override
    protected void removeApplication(Application application) {
        portletListeners.remove(application);
        for (Iterator<Application> it = portletToApplication.values()
                .iterator(); it.hasNext();) {
            Application value = it.next();
            if (value == application) {
                // values().iterator() is backed by the map
                it.remove();
            }
        }

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