public ImmutableEnvelope(string envelopeId, DateTime createdUtc, object message, MessageAttribute[] attributes)
{
EnvelopeId = envelopeId;
Message = message;
CreatedUtc = createdUtc;
if (null == attributes)
{
Attributes = MessageAttribute.Empty;
}
else
{
// just ensuring that we have an immutable copy
var copy = new MessageAttribute[attributes.Length];
Array.Copy(attributes, copy, attributes.Length);
Attributes = copy;
}
}
public MessageAttribute[] ReadAttributes(Stream stream)
{
using (var reader = new BitReader(stream))
{
var attributeCount = reader.Read7BitInt();
if (attributeCount == 0) return Empty;
var attributes = new MessageAttribute[attributeCount];
for (var i = 0; i < attributeCount; i++)
{
var key = reader.ReadString();
var value = reader.ReadString();
attributes[i] = new MessageAttribute(key, value);
}
return attributes;
}
}