Example usage for org.apache.wicket.protocol.ws.api IWebSocketConnection sendMessage

List of usage examples for org.apache.wicket.protocol.ws.api IWebSocketConnection sendMessage

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  5. IWebSocketConnection
  6. sendMessage

Introduction

In this page you can find the example usage for org.apache.wicket.protocol.ws.api IWebSocketConnection sendMessage.

Prototype

void sendMessage(IWebSocketPushMessage message);

Source Link

Document

Broadcasts a push message to the wicket page (and it's components) associated with this connection.

Usage

From source file:com.googlecode.wicket.jquery.ui.plugins.whiteboard.WhiteboardBehavior.java

License:Apache License

protected void respond(final AjaxRequestTarget target) {

    RequestCycle cycle = RequestCycle.get();
    WebRequest webRequest = (WebRequest) cycle.getRequest();

    if (webRequest.getQueryParameters().getParameterValue("editedElement").toString() != null) {
        String editedElement = webRequest.getQueryParameters().getParameterValue("editedElement").toString();

        try {/*www  .  ja va  2s. com*/

            if (snapShot == null && snapShotCreation == null) {
                snapShot = new ArrayList<Element>();
                snapShotCreation = new ArrayList<Boolean>();
            }

            //Mapping JSON String to Objects and Adding to the Element List
            JSONObject jsonEditedElement = new JSONObject(editedElement);
            Element element = getElementObject(jsonEditedElement);

            if (elementMap.containsKey(element.getId()) && !elementMap.isEmpty()) {
                snapShot.add(elementMap.get(element.getId()));
                snapShotCreation.add(false);
            } else {
                snapShot.add(element);
                snapShotCreation.add(true);
            }

            if (!"PointFree".equals(element.getType())) {
                if (undoSnapshots.size() == 20) {
                    undoSnapshots.pollFirst();
                    undoSnapshotCreationList.pollFirst();
                }

                if ("PencilCurve".equals(element.getType())) {
                    ArrayList<Element> lastElementSnapshot = undoSnapshots.getLast();
                    Element lastSnapshotElement = lastElementSnapshot.get(lastElementSnapshot.size() - 1);

                    if ((lastSnapshotElement instanceof PencilCurve)
                            && (lastSnapshotElement.getId() == element.getId())) {
                        ArrayList<Boolean> lastCreationSnapshot = undoSnapshotCreationList.getLast();

                        for (int i = 0; i < snapShot.size(); i++) {
                            lastElementSnapshot.add(snapShot.get(i));
                            lastCreationSnapshot.add(snapShotCreation.get(i));
                        }
                    } else {
                        undoSnapshots.addLast(snapShot);
                        undoSnapshotCreationList.addLast(snapShotCreation);
                    }

                } else {
                    undoSnapshots.addLast(snapShot);
                    undoSnapshotCreationList.addLast(snapShotCreation);
                }

                snapShot = null;
                snapShotCreation = null;
            }

            // Synchronizing newly added element between whiteboards
            if (element != null) {
                elementMap.put(element.getId(), element);

                IWebSocketConnectionRegistry reg = IWebSocketSettings.Holder.get(Application.get())
                        .getConnectionRegistry();
                for (IWebSocketConnection c : reg.getConnections(Application.get())) {
                    try {
                        JSONObject jsonObject = new JSONObject(editedElement);
                        c.sendMessage(getAddElementMessage(jsonObject).toString());
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }

        } catch (JSONException e) {
            e.printStackTrace();
        }
    } else if (webRequest.getQueryParameters().getParameterValue("undo").toString() != null) {
        if (!undoSnapshots.isEmpty()) {
            ArrayList<Boolean> undoCreationList = undoSnapshotCreationList.pollLast();
            ArrayList<Element> undoElement = undoSnapshots.pollLast();

            String deleteList = "";
            JSONArray changeList = new JSONArray();

            IWebSocketConnectionRegistry reg = IWebSocketSettings.Holder.get(Application.get())
                    .getConnectionRegistry();

            for (int i = 0; i < undoElement.size(); i++) {
                if (undoCreationList.get(i)) {
                    elementMap.remove(undoElement.get(i).getId());
                    if ("".equals(deleteList)) {
                        deleteList = "" + undoElement.get(i).getId();
                    } else {
                        deleteList += "," + undoElement.get(i).getId();
                    }
                } else {
                    elementMap.put(undoElement.get(i).getId(), undoElement.get(i));
                    changeList.put(undoElement.get(i).getJSON());
                }
            }

            for (IWebSocketConnection c : reg.getConnections(Application.get())) {
                try {
                    c.sendMessage(getUndoMessage(changeList, deleteList).toString());
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }

    } else if (webRequest.getQueryParameters().getParameterValue("eraseAll").toString() != null) {
        elementMap.clear();
        IWebSocketConnectionRegistry reg = IWebSocketSettings.Holder.get(Application.get())
                .getConnectionRegistry();
        for (IWebSocketConnection c : reg.getConnections(Application.get())) {
            try {
                JSONArray jsonArray = new JSONArray();
                c.sendMessage(getWhiteboardMessage(jsonArray).toString());
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    } else if (webRequest.getQueryParameters().getParameterValue("save").toString() != null) {
        JSONArray elementArray = new JSONArray();
        for (int elementID : elementMap.keySet()) {
            elementArray.put(elementMap.get(elementID).getJSON());
        }
        DateFormat dateFormat = new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss");
        Date date = new Date();
        File whiteboardFile = new File("Whiteboard_" + dateFormat.format(date) + ".json");

        FileWriter writer = null;
        try {
            whiteboardFile.createNewFile();
            System.out.println(whiteboardFile.getAbsolutePath());
            writer = new FileWriter(whiteboardFile);
            writer.write(elementArray.toString());
            writer.flush();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (writer != null) {
                try {
                    writer.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

    }

    else if (webRequest.getQueryParameters().getParameterValue("clipArt").toString() != null) {

        IWebSocketConnectionRegistry reg = IWebSocketSettings.Holder.get(Application.get())
                .getConnectionRegistry();
        for (IWebSocketConnection c : reg.getConnections(Application.get())) {
            try {
                JSONArray jsonArray = new JSONArray();
                jsonArray.put("http://icons.iconarchive.com/icons/femfoyou/angry-birds/64/angry-bird-icon.png");
                jsonArray.put(
                        "http://icons.iconarchive.com/icons/femfoyou/angry-birds/64/angry-bird-yellow-icon.png");
                c.sendMessage(getClipArtListMessage(jsonArray).toString());
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:org.apache.openmeetings.core.util.WebSocketHelper.java

License:Apache License

private static void doSend(IWebSocketConnection c, String msg, String suffix) {
    try {/*from   w  w  w  . j  a va2  s. c  om*/
        c.sendMessage(msg);
    } catch (IOException e) {
        log.error("Error while sending message to {}", suffix, e);
    }
}

From source file:org.apache.openmeetings.web.components.user.ChatPanel.java

License:Apache License

public ChatPanel(String id) {
    super(id);//from   w w w.  j  av  a2  s .  com
    setOutputMarkupId(true);
    setMarkupId(id);

    add(new Behavior() {
        private static final long serialVersionUID = -2205036360048419129L;

        @Override
        public void renderHead(Component component, IHeaderResponse response) {
            ChatDao dao = Application.getBean(ChatDao.class);
            try {
                StringBuilder sb = new StringBuilder();
                for (ChatMessage m : dao.get(0, Integer.MAX_VALUE)) {
                    sb.append("addChatMessage(").append(getMessage(m).toString()).append(");");
                }
                if (sb.length() > 0) {
                    response.render(OnDomReadyHeaderItem.forScript(sb.toString()));
                }
            } catch (JSONException e) {

            }
            super.renderHead(component, response);
        }
    });
    add(new WebMarkupContainer("messages").setMarkupId("messageArea"));
    final Form<Void> f = new Form<Void>("sendForm");
    f.add(new TextArea<String>("message", new PropertyModel<String>(ChatPanel.this, "message"))
            .setOutputMarkupId(true));
    f.add(new Button("send").add(new AjaxFormSubmitBehavior("onclick") {
        private static final long serialVersionUID = -3746739738826501331L;

        protected void onSubmit(AjaxRequestTarget target) {
            ChatDao dao = Application.getBean(ChatDao.class);
            ChatMessage m = new ChatMessage();
            m.setMessage(message);
            m.setSent(new Date());
            m.setFromUser(Application.getBean(UsersDao.class).get(WebSession.getUserId()));
            dao.update(m);
            IWebSocketConnectionRegistry reg = IWebSocketSettings.Holder.get(getApplication())
                    .getConnectionRegistry();
            for (IWebSocketConnection c : reg.getConnections(getApplication())) {
                try {
                    c.sendMessage(getMessage(m).toString());
                } catch (Exception e) {
                    log.error("Error while sending message", e);
                }
            }
            ChatPanel.this.message = "";
            target.add(f);
        };
    }));
    add(f.setOutputMarkupId(true));
}

From source file:org.apache.openmeetings.web.user.ChatPanel.java

License:Apache License

private static void sendRoom(ChatMessage m, String msg) {
    IWebSocketConnectionRegistry reg = WebSocketSettings.Holder.get(Application.get()).getConnectionRegistry();
    for (Client c : getRoomUsers(m.getToRoom().getId())) {
        try {/*  www . j  a v a 2 s  .co  m*/
            if (!m.isNeedModeration() || (m.isNeedModeration() && c.hasRight(Client.Right.moderator))) {
                IWebSocketConnection con = reg.getConnection(Application.get(), c.getSessionId(),
                        new PageIdKey(c.getPageId()));
                if (con != null) {
                    con.sendMessage(msg);
                }
            }
        } catch (Exception e) {
            log.error("Error while sending message to room", e);
        }
    }
}

From source file:org.efaps.esjp.common.pushmsg.MessageSender_Base.java

License:Apache License

/**
 * Send a TextMessage to a user, group or role.
 * @param _parameter Parameter as passed by the eFaps API
 * @return new Return//from  ww w  . j av a  2 s. c o m
 * @throws EFapsException on error
 */
public Return sendTextMessage(final Parameter _parameter) throws EFapsException {
    String reciever = getProperty(_parameter, "Reciever");
    String message = getProperty(_parameter, "Message");
    if (reciever == null) {
        reciever = _parameter.getParameterValue("Reciever");
    }
    if (message == null) {
        message = _parameter.getParameterValue("Message");
    }
    if (reciever != null && !reciever.isEmpty()) {
        final List<Person> persons = new ArrayList<>();
        AbstractUserObject user;
        if (isUUID(reciever)) {
            user = AbstractUserObject.getUserObject(UUID.fromString(reciever));
        } else {
            user = AbstractUserObject.getUserObject(reciever);
        }
        if (user instanceof Role || user instanceof Group) {
            final QueryBuilder queryBldr = new QueryBuilder(
                    user instanceof Role ? CIAdminUser.Person2Role : CIAdminUser.Person2Group);
            queryBldr.addWhereAttrEqValue(CIAdminUser._Abstract2Abstract.UserToAbstractLink, user.getId());
            final MultiPrintQuery multi = queryBldr.getPrint();
            multi.addAttribute(CIAdminUser._Abstract2Abstract.UserFromAbstractLink);
            multi.executeWithoutAccessCheck();
            while (multi.next()) {
                final Long personid = multi
                        .<Long>getAttribute(CIAdminUser._Abstract2Abstract.UserFromAbstractLink);
                persons.add(Person.get(personid));
            }
        }
        for (final Person person : persons) {
            final List<IWebSocketConnection> conns = RegistryManager.getConnections4User(person.getName());
            for (final IWebSocketConnection conn : conns) {
                conn.sendMessage(new PushMsg(message));
            }
        }
    }
    return new Return();
}

From source file:org.efaps.ui.wicket.components.connection.MessagePanel.java

License:Apache License

/**
 * @param _wicketId wicketId of this component
 * @param _pageReference reference to the page
 * @throws EFapsException on error//from  ww  w  . j  av a2  s .c om
 */
public MessagePanel(final String _wicketId, final PageReference _pageReference) throws EFapsException {
    super(_wicketId);
    final Form<Void> msgForm = new Form<>("msgForm");
    add(msgForm);

    final AjaxSubmitLink sendMsgBtn = new AjaxSubmitLink("sendMsgBtn", msgForm) {

        private static final long serialVersionUID = 1L;

        @Override
        protected void onAfterSubmit(final AjaxRequestTarget _target, final Form<?> _form) {
            final StringBuilder msg = new StringBuilder();
            _form.visitChildren(TextArea.class, new IVisitor<TextArea<String>, Void>() {
                @Override
                public void component(final TextArea<String> _textArea, final IVisit<Void> _visit) {
                    _textArea.setEscapeModelStrings(false);
                    msg.append(_textArea.getDefaultModelObjectAsString());
                    _visit.stop();
                }
            });

            if (msg.length() > 0) {
                _form.visitChildren(CheckBox.class, new IVisitor<CheckBox, Void>() {

                    @Override
                    public void component(final CheckBox _checkBox, final IVisit<Void> _visit) {
                        final Boolean selected = (Boolean) _checkBox.getDefaultModelObject();
                        if (selected) {
                            final CheckBoxPanel panel = (CheckBoxPanel) _checkBox.getParent();
                            final UIUser user = (UIUser) panel.getDefaultModelObject();
                            final List<IWebSocketConnection> conns = RegistryManager
                                    .getConnections4User(user.getUserName());
                            for (final IWebSocketConnection conn : conns) {
                                conn.sendMessage(new PushMsg(msg.toString()));
                            }
                        }
                    }
                });
            }
        }
    };
    msgForm.add(sendMsgBtn);

    final AjaxSubmitLink broadcastMsgBtn = new AjaxSubmitLink("broadcastMsgBtn", msgForm) {

        private static final long serialVersionUID = 1L;

        @Override
        protected void onAfterSubmit(final AjaxRequestTarget _target, final Form<?> _form) {

            final StringBuilder msg = new StringBuilder();
            _form.visitChildren(TextArea.class, new IVisitor<TextArea<String>, Void>() {

                @Override
                public void component(final TextArea<String> _textArea, final IVisit<Void> _visit) {
                    _textArea.setEscapeModelStrings(false);
                    msg.append(_textArea.getDefaultModelObjectAsString());
                    _visit.stop();
                }
            });

            if (msg.length() > 0) {
                final WebSocketSettings webSocketSettings = WebSocketSettings.Holder.get(getApplication());
                final WebSocketPushBroadcaster broadcaster = new WebSocketPushBroadcaster(
                        webSocketSettings.getConnectionRegistry());
                broadcaster.broadcastAll(EFapsApplication.get(), new PushMsg(msg.toString()));
            }
        }
    };
    msgForm.add(broadcastMsgBtn);

    final TextArea<String> msg = new TextArea<>("msg", Model.of(""));
    msgForm.add(msg);

    final MessageTablePanel messageTable = new MessageTablePanel("messageTable", _pageReference,
            new UserProvider());
    msgForm.add(messageTable);
}

From source file:org.efaps.ui.wicket.ConnectionRegistry.java

License:Apache License

/**
 * Send the KeepAlive./*from w  w w . ja v  a2 s. c  o  m*/
 * @param _application Application the KeepAlive will be send for
 */
public void sendKeepAlive(final Application _application) {
    final long reference = new Date().getTime();
    final ConcurrentMap<String, IKey> sessionId2key = _application.getMetaData(ConnectionRegistry.SESSION2KEY);
    final ConcurrentMap<String, Long> keepalive = _application.getMetaData(ConnectionRegistry.KEEPALIVE);
    if (keepalive != null) {
        for (final Entry<String, Long> entry : keepalive.entrySet()) {
            if (reference
                    - entry.getValue() > Configuration.getAttributeAsInteger(ConfigAttribute.WEBSOCKET_KATH)
                            * 1000) {
                final IKey key = sessionId2key.get(entry.getKey());
                if (key != null) {
                    final IWebSocketConnectionRegistry registry = WebSocketSettings.Holder.get(_application)
                            .getConnectionRegistry();
                    final IWebSocketConnection conn = registry.getConnection(_application, entry.getKey(), key);
                    if (conn != null) {
                        try {
                            conn.sendMessage(KeepAliveBehavior.MSG);
                            ConnectionRegistry.LOG.debug("Send KeepAlive for Session: {}", entry.getKey());
                        } catch (final IOException e) {
                            ConnectionRegistry.LOG.error("Catched error", e);
                        }
                    }
                }
            }
        }
    }
}

From source file:org.wicketstuff.whiteboard.WhiteboardBehavior.java

License:Apache License

/**
 * Mapping JSON String to Objects and Adding to the Element List
 * /*w w  w .ja va 2  s  .  c  o  m*/
 * @param editedElement
 * @return
 */
private boolean handleEditedElement(String editedElement) {
    try {
        JSONObject jsonEditedElement = new JSONObject(editedElement);
        Element element = getElementObject(jsonEditedElement);

        boolean isLoaded = false;

        if (!elementMap.isEmpty() && loadedElementMap.get(element.getId()) != null
                && !loadedElementMap.isEmpty()) {
            isLoaded = isEqual(element.getJSON(), loadedElementMap.get(element.getId()).getJSON());
        }

        // If the edited element is not from file loaded content this clause executes
        if (!isLoaded) {

            // Adding the element creation/editing is add to the undo snapshots
            if (snapShot == null && snapShotCreation == null) {
                snapShot = new ArrayList<Element>();
                snapShotCreation = new ArrayList<Boolean>();
            }

            if (elementMap.containsKey(element.getId()) && !elementMap.isEmpty()) {
                snapShot.add(elementMap.get(element.getId()));
                snapShotCreation.add(false);

            } else {
                snapShot.add(element);
                snapShotCreation.add(true);
            }

            if (Type.PointFree != element.getType()) {
                if (undoSnapshots.size() == 20) {
                    undoSnapshots.pollFirst();
                    undoSnapshotCreationList.pollFirst();
                }

                if (Type.PencilCurve == element.getType()) {
                    List<Element> lastElementSnapshot = undoSnapshots.peekLast();
                    if (lastElementSnapshot != null) {
                        Element lastSnapshotElement = lastElementSnapshot.get(lastElementSnapshot.size() - 1);

                        if ((lastSnapshotElement instanceof PencilCurve)
                                && (lastSnapshotElement.getId() == element.getId())) {
                            List<Boolean> lastCreationSnapshot = undoSnapshotCreationList.getLast();

                            for (int i = 0; i < snapShot.size(); i++) {
                                lastElementSnapshot.add(snapShot.get(i));
                                lastCreationSnapshot.add(snapShotCreation.get(i));
                            }
                        } else {
                            undoSnapshots.addLast(snapShot);
                            undoSnapshotCreationList.addLast(snapShotCreation);
                            isElementSnapshotList.addLast(true);
                        }
                    }
                } else if (Type.ClipArt == element.getType()) {
                    List<Element> snapShotTemp = undoSnapshots.pollLast();
                    List<Boolean> snapShotCreationTemp = undoSnapshotCreationList.pollLast();

                    for (int i = 0; i < snapShotTemp.size(); i++) {
                        snapShot.add(snapShotTemp.get(i));
                        snapShotCreation.add(snapShotCreationTemp.get(i));
                    }
                    undoSnapshots.addLast(snapShot);
                    undoSnapshotCreationList.addLast(snapShotCreation);
                    isElementSnapshotList.addLast(true);

                } else {

                    undoSnapshots.addLast(snapShot);
                    undoSnapshotCreationList.addLast(snapShotCreation);
                    isElementSnapshotList.addLast(true);
                }

                snapShot = null;
                snapShotCreation = null;
            }

            // Synchronizing newly added/edited element between whiteboard clients
            if (element != null) {
                elementMap.put(element.getId(), element);

                IWebSocketConnectionRegistry reg = WebSocketSettings.Holder.get(Application.get())
                        .getConnectionRegistry();
                for (IWebSocketConnection c : reg.getConnections(Application.get())) {
                    try {
                        JSONObject jsonObject = new JSONObject(editedElement);
                        c.sendMessage(getAddElementMessage(jsonObject).toString());
                    } catch (Exception e) {
                        log.error("Unexpected error while sending message through the web socket", e);
                    }
                }
            }
        }
        return true;
    } catch (JSONException e) {
        log.error("Unexpected error while editing element", e);
    }
    return false;
}

From source file:org.wicketstuff.whiteboard.WhiteboardBehavior.java

License:Apache License

/**
 * Synchronizing newly added/edited background between whiteboard clients
 * //from   ww  w.java2 s .  c  o m
 * @param backgroundString
 * @return
 */
private boolean handleBackground(String backgroundString) {
    try {
        JSONObject backgroundJSON = new JSONObject(backgroundString);
        Background backgroundObject = new Background(backgroundJSON);
        background = backgroundObject;

        Background previousBackground = new Background("Background", "", 0.0, 0.0, 0.0, 0.0);
        if (whiteboardMap.get(whiteboardObjectId).getBackground() != null) {
            previousBackground = whiteboardMap.get(whiteboardObjectId).getBackground();
        }
        whiteboardMap.get(whiteboardObjectId).setBackground(background);

        undoSnapshotCreationList_Background.addLast(previousBackground == null);
        undoSnapshots_Background.addLast(previousBackground);
        isElementSnapshotList.addLast(false);

        IWebSocketConnectionRegistry reg = WebSocketSettings.Holder.get(Application.get())
                .getConnectionRegistry();
        for (IWebSocketConnection c : reg.getConnections(Application.get())) {
            try {
                JSONObject jsonObject = new JSONObject(backgroundString);
                c.sendMessage(getAddBackgroundMessage(jsonObject).toString());
            } catch (Exception e) {
                log.error("Unexpected error while sending message through the web socket", e);
            }
        }

        return true;
    } catch (JSONException e) {
        e.printStackTrace();
    }
    return false;
}

From source file:org.wicketstuff.whiteboard.WhiteboardBehavior.java

License:Apache License

/**
 * Undo one step and synchronizing undo between whiteboard clients
 * //w  ww .  ja  v  a2  s  .c  om
 * @return
 */
private boolean handleUndo() {
    if (!isElementSnapshotList.isEmpty()) {

        if (isElementSnapshotList.pollLast()) {
            List<Boolean> undoCreationList = undoSnapshotCreationList.pollLast();
            List<Element> undoElement = undoSnapshots.pollLast();

            String deleteList = "";
            JSONArray changeList = new JSONArray();

            IWebSocketConnectionRegistry reg = WebSocketSettings.Holder.get(Application.get())
                    .getConnectionRegistry();

            for (int i = 0; i < undoElement.size(); i++) {
                if (undoCreationList.get(i)) {
                    elementMap.remove(undoElement.get(i).getId());
                    if (loadedElementMap.containsKey(undoElement.get(i).getId())) {
                        loadedContent = "";
                        whiteboardMap.get(whiteboardObjectId).setLoadedContent("");
                        loadedElementMap.remove(undoElement.get(i).getId());
                    }
                    if ("".equals(deleteList)) {
                        deleteList = "" + undoElement.get(i).getId();
                    } else {
                        deleteList += "," + undoElement.get(i).getId();
                    }
                } else {
                    elementMap.put(undoElement.get(i).getId(), undoElement.get(i));
                    try {
                        changeList.put(undoElement.get(i).getJSON());
                    } catch (JSONException e) {
                        log.error("Unexpected error while getting JSON", e);
                    }
                }
            }

            for (IWebSocketConnection c : reg.getConnections(Application.get())) {
                try {
                    c.sendMessage(getUndoMessage(changeList, deleteList).toString());
                } catch (Exception e) {
                    log.error("Unexpected error while sending message through the web socket", e);
                }
            }
        } else {
            Background previousBackground = undoSnapshots_Background.pollLast();
            background = previousBackground;
            whiteboardMap.get(whiteboardObjectId).setBackground(previousBackground);

            IWebSocketConnectionRegistry reg = WebSocketSettings.Holder.get(Application.get())
                    .getConnectionRegistry();
            for (IWebSocketConnection c : reg.getConnections(Application.get())) {
                try {
                    if (previousBackground != null) {
                        c.sendMessage(getAddBackgroundMessage(previousBackground.getJSON()).toString());
                    } else {
                        c.sendMessage(getAddBackgroundMessage(new JSONObject()).toString());
                    }
                } catch (Exception e) {
                    log.error("Unexpected error while sending message through the web socket", e);
                }
            }

        }
        return true;
    }
    return false;
}