public static ArraySegment <byte> ToChatTopicBlock(ChatTopic message)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
ArraySegment <byte> value;
using (Stream messageStream = message.Export(_bufferManager))
using (Stream compressStream = ContentConverter.Compress(messageStream))
using (Stream typeStream = ContentConverter.AddType(compressStream, "ChatTopic"))
{
value = new ArraySegment <byte>(_bufferManager.TakeBuffer((int)typeStream.Length), 0, (int)typeStream.Length);
typeStream.Read(value.Array, value.Offset, value.Count);
}
return(value);
}
public static ChatTopic FromChatTopicBlock(ArraySegment <byte> message)
{
if (message.Array == null)
{
throw new ArgumentNullException("message.Array");
}
try
{
using (Stream typeStream = new MemoryStream(message.Array, message.Offset, message.Count))
using (Stream compressStream = ContentConverter.RemoveType(typeStream, "ChatTopic"))
using (Stream messageStream = ContentConverter.Decompress(compressStream))
{
return(ChatTopic.Import(messageStream, _bufferManager));
}
}
catch (Exception)
{
return(null);
}
}