Example usage for org.springframework.web.socket WebSocketSession isOpen

Introduction

In this page you can find the example usage for org.springframework.web.socket WebSocketSession isOpen.

Prototype

boolean isOpen();

Source Link

Document

Return whether the connection is still open.

Usage

From source file:com.devicehive.messages.handler.WebSocketClientHandler.java

public static void sendMessage(JsonObject json, WebSocketSession session) {
    if (!session.isOpen()) {
        return;/*from ww w. j  av  a2 s  . co m*/
    }
    try {
        session.sendMessage(new TextMessage(json.toString()));
    } catch (IOException e) {
        logger.error("Exception while sending message", e);
    }
}

From source file:com.songjg.websocket.handler.SystemWebSocketHandler.java

@Override
public void handleTransportError(WebSocketSession wss, Throwable thrwbl) throws Exception {
    if (wss.isOpen()) {
        wss.close();/*  w  w w  .  ja v a 2 s.c  om*/
    }
    System.out.println("websocket connection closed......");
}

From source file:org.springframework.cloud.aws.sample.websocket.SendingTextWebSocketHandler.java

private void sendTestMessageToAllSessions(String payload) throws IOException {
    List<WebSocketSession> sessionsToRemove = new ArrayList<>();
    for (WebSocketSession session : this.sessions) {
        if (!session.isOpen()) {
            sessionsToRemove.add(session);
        }//from  w ww .j  a v  a 2s .c om
    }
    this.sessions.removeAll(sessionsToRemove);

    for (WebSocketSession session : this.sessions) {
        session.sendMessage(new TextMessage(payload));
    }
}

From source file:com.pubkit.platform.messaging.protocol.pkmp.PKMPOutBoundEventHandler.java

private void handleDisconnect(PKMPDisconnect pKMPDisconnect, WebSocketSession session) {
    if (session.isOpen()) {
        sendPayload(pKMPDisconnect, session);
    }// w w w .ja  v a2  s. c  om
    closeSession(session);
}

From source file:com.pubkit.platform.messaging.protocol.pkmp.PKMPOutBoundEventHandler.java

private void closeSession(WebSocketSession session) {
    if (!session.isOpen()) {
        return;/*from  ww  w  .jav  a 2s. c  o m*/
    }
    try {
        session.close(CloseStatus.NORMAL);
    } catch (IOException e) {
        LOG.error("Error closing the connection", e);
        // Can't do anything now!
    }
}

From source file:org.acruxsource.sandbox.spring.jmstows.websocket.ChatHandler.java

public void sendMessage(final ChatMessage message) throws IOException {
    logger.info("Sending message to all participants");

    for (WebSocketSession session : sessions) {
        if (session.isOpen()) {
            DateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT_PATTERN);
            JsonObjectBuilder jsonObjectBuilder = Json.createObjectBuilder();
            jsonObjectBuilder.add("name", message.getName());
            jsonObjectBuilder.add("message", message.getMessage());
            jsonObjectBuilder.add("date", dateFormat.format(message.getDate()));
            session.sendMessage(new TextMessage(jsonObjectBuilder.build().toString()));
        } else {/* w  w w .  ja va 2  s . c  om*/
            sessions.remove(session);
        }
    }
}

From source file:com.devicehive.websockets.util.SessionMonitor.java

@Scheduled(cron = "0/30 * * * * *")
public synchronized void ping() {
    try {//from   w w  w  . j a  va  2s. c  o  m
        for (WebSocketSession session : sessionMap.values()) {
            if (session.isOpen()) {
                logger.debug("Pinging session {}", session.getId());
                session.sendMessage(new PingMessage());
            } else {
                logger.debug("Session {} is closed.", session.getId());
                sessionMap.remove(session.getId());
            }
        }
    } catch (IOException e) {
        logger.error("Exception while ping session");
    }
}

From source file:com.devicehive.websockets.util.SessionMonitor.java

public WebSocketSession getSession(String sessionId) {
    WebSocketSession session = sessionMap.get(sessionId);
    return session != null && session.isOpen() ? session : null;
}

From source file:br.com.altamira.monitoramento.controller.SendingTextWebSocketHandler.java

private void sendTestMessageToAllSessions(String payload) throws IOException {
    List<WebSocketSession> sessionsToRemove = new ArrayList<>();
    this.sessions.stream().filter((session) -> (!session.isOpen())).forEach((session) -> {
        sessionsToRemove.add(session);/*w ww.j  a  va2  s. c o m*/
    });
    this.sessions.removeAll(sessionsToRemove);

    for (WebSocketSession session : this.sessions) {
        session.sendMessage(new TextMessage(payload));
    }
}

From source file:com.github.mrstampy.gameboot.otp.websocket.OtpEncryptedWebSocketHandler.java

/**
 * Validates that the clear channel exists. Override to provide additional
 * validation.//from  ww w  .j ava2s  .  c o  m
 *
 * @param session
 *          the session
 * @param message
 *          the message
 * @return true, if successful
 * @throws Exception
 *           the exception
 */
protected boolean validateChannel(WebSocketSession session, OtpKeyRequest message) throws Exception {
    if (message.getKeyFunction() == null) {
        log.error("No key function, closing channel");
        session.close();
        return false;
    }

    switch (message.getKeyFunction()) {
    case NEW:
        break;
    default:
        log.error("Cannot process {}, closing OTP New Key session {}", message, session);
        session.close();
        return false;
    }

    Long systemId = message.getOtpSystemId();
    if (systemId == null) {
        log.error("System id missing from {}, disconnecting {}", message, session);

        session.close();
        return false;
    }

    SystemIdKey sik = new SystemIdKey(systemId);

    WebSocketSession clearChannel = registry.get(sik);
    if (clearChannel == null || !clearChannel.isOpen()) {
        log.error("No clear channel for {}, from encrypted channel {}, disconnecting", systemId,
                session.getRemoteAddress());
        session.close();
        return false;
    }

    return true;
}