Review

finding-19

/mubench/checkouts/asterisk-java/304421c/build/src/main/java/org/asteriskjava/live/internal/ChannelManager.java

handleDtmfEvent(DtmfEvent)

class ChannelManager {
    void handleDtmfEvent(DtmfEvent event)
    {
        // we are only intrested in END events
        if (event.isBegin())
        {
            return;
        }

        if (event.getUniqueId() == null)
        {
            return;
        }

        final AsteriskChannelImpl channel = getChannelImplById(event.getUniqueId());
        if (channel == null)
        {
            logger.info("Ignored DtmfEvent for unknown channel with uniqueId " + event.getUniqueId());
            return;
        }

        final Character dtmfDigit;
        if (event.getDigit() == null || event.getDigit().length() < 1)
        {
            dtmfDigit = null;
        }
        else
        {
            dtmfDigit = event.getDigit().charAt(0);
        }

        synchronized (channel)
        {
            if (event.isReceived())
            {
                channel.dtmfReceived(dtmfDigit);
            }
            if (event.isSent())
            {
                channel.dtmfSent(dtmfDigit);
            }
        }
    }

}