private byte[] createMessageContent(SignalServiceDataMessage message)// throws IOException
{
DataMessage dataMessage = new DataMessage {
};
IList <AttachmentPointer> pointers = createAttachmentPointers(message.Attachments);
if (pointers.Count != 0)
{
dataMessage.Attachments.AddRange(pointers);
}
if (message.Body != null)
{
dataMessage.Body = message.Body;
}
if (message.Group != null)
{
dataMessage.Group = createGroupContent(message.Group);
}
if (message.EndSession)
{
dataMessage.Flags = (uint)DataMessage.Types.Flags.EndSession;
}
if (message.ExpirationUpdate)
{
dataMessage.Flags = (uint)DataMessage.Types.Flags.ExpirationTimerUpdate;
}
if (message.ExpiresInSeconds > 0)
{
dataMessage.ExpireTimer = (uint)message.ExpiresInSeconds;
}
return(dataMessage.ToByteArray());
}