Examples of SystemMessages

com.vaadin.Application.SystemMessages
com.vaadin.server.SystemMessages
Contains the system messages used to notify the user about various critical situations that can occur.
Use {@link VaadinService#setSystemMessagesProvider(SystemMessagesProvider)}to customize.

The defaults defined in this class are:
- sessionExpiredURL = null
- sessionExpiredNotificationEnabled = true
- sessionExpiredCaption = ""
- sessionExpiredMessage = "Take note of any unsaved data, and click here to continue."
- communicationErrorURL = null
- communicationErrorNotificationEnabled = true
- communicationErrorCaption = "Communication problem"
- communicationErrorMessage = "Take note of any unsaved data, and click here to continue."
- internalErrorURL = null
- internalErrorNotificationEnabled = true
- internalErrorCaption = "Internal error"
- internalErrorMessage = "Please notify the administrator.
  Take note of any unsaved data, and click here to continue."
- outOfSyncURL = null
- outOfSyncNotificationEnabled = true
- outOfSyncCaption = "Out of sync"
- outOfSyncMessage = "Something has caused us to be out of sync with the server.
  Take note of any unsaved data, and click here to re-sync."
- cookiesDisabledURL = null
- cookiesDisabledNotificationEnabled = true
- cookiesDisabledCaption = "Cookies disabled"
- cookiesDisabledMessage = "This application requires cookies to function.
  Please enable cookies in your browser and click here to try again.

Examples of com.vaadin.Application.SystemMessages

            // Change all variables based on request parameters
            if (!handleVariables(request, response, callback, application,
                    window)) {


                // var inconsistency; the client is probably out-of-sync
                SystemMessages ci = null;
                try {
                    Method m = application.getClass().getMethod(
                            "getSystemMessages", (Class[]) null);
                    ci = (Application.SystemMessages) m.invoke(null,
                            (Object[]) null);
                } catch (Exception e2) {
                    // FIXME: Handle exception
                    // Not critical, but something is still wrong; print
                    // stacktrace
                    e2.printStackTrace();
                }
                if (ci != null) {
                    String msg = ci.getOutOfSyncMessage();
                    String cap = ci.getOutOfSyncCaption();
                    if (msg != null || cap != null) {
                        callback.criticalNotification(request, response, cap,
                                msg, null, ci.getOutOfSyncURL());
                        // will reload page after this
                        return;
                    }
                }
                // No message to show, let's just repaint all.

View Full Code Here

Examples of com.vaadin.Application.SystemMessages

            // Change all variables based on request parameters
            if (!handleVariables(request, response, callback, application,
                    window)) {


                // var inconsistency; the client is probably out-of-sync
                SystemMessages ci = null;
                try {
                    Method m = application.getClass().getMethod(
                            "getSystemMessages", (Class[]) null);
                    ci = (Application.SystemMessages) m.invoke(null,
                            (Object[]) null);
                } catch (Exception e2) {
                    // FIXME: Handle exception
                    // Not critical, but something is still wrong; print
                    // stacktrace
                    logger.log(Level.WARNING,
                            "getSystemMessages() failed - continuing", e2);
                }
                if (ci != null) {
                    String msg = ci.getOutOfSyncMessage();
                    String cap = ci.getOutOfSyncCaption();
                    if (msg != null || cap != null) {
                        callback.criticalNotification(request, response, cap,
                                msg, null, ci.getOutOfSyncURL());
                        // will reload page after this
                        return;
                    }
                }
                // No message to show, let's just repaint all.

View Full Code Here

Examples of com.vaadin.Application.SystemMessages

                outWriter.write("\"");
                highLightedPaintable = null;
            }
        }


        SystemMessages ci = null;
        try {
            Method m = application.getClass().getMethod("getSystemMessages",
                    (Class[]) null);
            ci = (Application.SystemMessages) m.invoke(null, (Object[]) null);
        } catch (NoSuchMethodException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        } catch (IllegalArgumentException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        } catch (IllegalAccessException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        } catch (InvocationTargetException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        }


        // meta instruction for client to enable auto-forward to
        // sessionExpiredURL after timer expires.
        if (ci != null && ci.getSessionExpiredMessage() == null
                && ci.getSessionExpiredCaption() == null
                && ci.isSessionExpiredNotificationEnabled()) {
            int newTimeoutInterval = getTimeoutInterval();
            if (repaintAll || (timeoutInterval != newTimeoutInterval)) {
                String escapedURL = ci.getSessionExpiredURL() == null ? "" : ci
                        .getSessionExpiredURL().replace("/", "\\/");
                if (metaOpen) {
                    outWriter.write(",");
                }
                outWriter.write("\"timedRedirect\":{\"interval\":"

View Full Code Here

Examples of com.vaadin.Application.SystemMessages

            // Change all variables based on request parameters
            if (!handleVariables(request, response, callback, application,
                    window)) {


                // var inconsistency; the client is probably out-of-sync
                SystemMessages ci = null;
                try {
                    Method m = application.getClass().getMethod(
                            "getSystemMessages", (Class[]) null);
                    ci = (Application.SystemMessages) m.invoke(null,
                            (Object[]) null);
                } catch (Exception e2) {
                    // FIXME: Handle exception
                    // Not critical, but something is still wrong; print
                    // stacktrace
                    logger.log(Level.WARNING,
                            "getSystemMessages() failed - continuing", e2);
                }
                if (ci != null) {
                    String msg = ci.getOutOfSyncMessage();
                    String cap = ci.getOutOfSyncCaption();
                    if (msg != null || cap != null) {
                        callback.criticalNotification(request, response, cap,
                                msg, null, ci.getOutOfSyncURL());
                        // will reload page after this
                        return;
                    }
                }
                // No message to show, let's just repaint all.

View Full Code Here

Examples of com.vaadin.Application.SystemMessages

                outWriter.write("\"");
                highLightedPaintable = null;
            }
        }


        SystemMessages ci = null;
        try {
            Method m = application.getClass().getMethod("getSystemMessages",
                    (Class[]) null);
            ci = (Application.SystemMessages) m.invoke(null, (Object[]) null);
        } catch (NoSuchMethodException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        } catch (IllegalArgumentException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        } catch (IllegalAccessException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        } catch (InvocationTargetException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        }


        // meta instruction for client to enable auto-forward to
        // sessionExpiredURL after timer expires.
        if (ci != null && ci.getSessionExpiredMessage() == null
                && ci.getSessionExpiredCaption() == null
                && ci.isSessionExpiredNotificationEnabled()) {
            int newTimeoutInterval = getTimeoutInterval();
            if (repaintAll || (timeoutInterval != newTimeoutInterval)) {
                String escapedURL = ci.getSessionExpiredURL() == null ? "" : ci
                        .getSessionExpiredURL().replace("/", "\\/");
                if (metaOpen) {
                    outWriter.write(",");
                }
                outWriter.write("\"timedRedirect\":{\"interval\":"

View Full Code Here

Examples of com.vaadin.Application.SystemMessages

            // Change all variables based on request parameters
            if (!handleVariables(request, response, callback, application,
                    window)) {


                // var inconsistency; the client is probably out-of-sync
                SystemMessages ci = null;
                try {
                    Method m = application.getClass().getMethod(
                            "getSystemMessages", (Class[]) null);
                    ci = (Application.SystemMessages) m.invoke(null,
                            (Object[]) null);
                } catch (Exception e2) {
                    // FIXME: Handle exception
                    // Not critical, but something is still wrong; print
                    // stacktrace
                    logger.log(Level.WARNING,
                            "getSystemMessages() failed - continuing", e2);
                }
                if (ci != null) {
                    String msg = ci.getOutOfSyncMessage();
                    String cap = ci.getOutOfSyncCaption();
                    if (msg != null || cap != null) {
                        callback.criticalNotification(request, response, cap,
                                msg, null, ci.getOutOfSyncURL());
                        // will reload page after this
                        return;
                    }
                }
                // No message to show, let's just repaint all.

View Full Code Here

Examples of com.vaadin.Application.SystemMessages

                }
                outWriter.write("]");
            }
        }


        SystemMessages ci = null;
        try {
            Method m = application.getClass().getMethod("getSystemMessages",
                    (Class[]) null);
            ci = (Application.SystemMessages) m.invoke(null, (Object[]) null);
        } catch (NoSuchMethodException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        } catch (IllegalArgumentException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        } catch (IllegalAccessException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        } catch (InvocationTargetException e) {
            logger.log(Level.WARNING,
                    "getSystemMessages() failed - continuing", e);
        }


        // meta instruction for client to enable auto-forward to
        // sessionExpiredURL after timer expires.
        if (ci != null && ci.getSessionExpiredMessage() == null
                && ci.getSessionExpiredCaption() == null
                && ci.isSessionExpiredNotificationEnabled()) {
            int newTimeoutInterval = getTimeoutInterval();
            if (repaintAll || (timeoutInterval != newTimeoutInterval)) {
                String escapedURL = ci.getSessionExpiredURL() == null ? "" : ci
                        .getSessionExpiredURL().replace("/", "\\/");
                if (metaOpen) {
                    outWriter.write(",");
                }
                outWriter.write("\"timedRedirect\":{\"interval\":"

View Full Code Here

Examples of com.vaadin.server.SystemMessages

            VaadinResponse response) throws IOException {
        if (!ServletPortletHelper.isUIDLRequest(request)) {
            return false;
        }
        VaadinService service = request.getService();
        SystemMessages systemMessages = service.getSystemMessages(
                ServletPortletHelper.findLocale(null, null, request), request);


        service.writeStringResponse(response, JsonConstants.JSON_CONTENT_TYPE,
                VaadinService.createCriticalNotificationJSON(
                        systemMessages.getSessionExpiredCaption(),
                        systemMessages.getSessionExpiredMessage(), null,
                        systemMessages.getSessionExpiredURL()));


        return true;
    }

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Examples of com.vaadin.server.SystemMessages

     * @since 7.1
     * @return A JSON string
     */
    static String getUINotFoundErrorJSON(VaadinService service,
            VaadinRequest vaadinRequest) {
        SystemMessages ci = service.getSystemMessages(
                vaadinRequest.getLocale(), vaadinRequest);
        // Session Expired is not really the correct message as the
        // session exists but the requested UI does not.
        // Using Communication Error for now.
        String json = VaadinService.createCriticalNotificationJSON(
                ci.getCommunicationErrorCaption(),
                ci.getCommunicationErrorMessage(), null,
                ci.getCommunicationErrorURL());


        return json;
    }

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Examples of com.vaadin.server.SystemMessages


            uiConnectorTracker.markAllConnectorsClean();


            writer.write("\"meta\" : ");


            SystemMessages messages = ui.getSession().getService()
                    .getSystemMessages(ui.getLocale(), null);
            // TODO hilightedConnector
            new MetadataWriter().write(ui, writer, repaintAll, async, messages);
            writer.write(", ");

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