/// <summary>
/// Submits a direct request message to some remote party and blocks waiting for an immediately reply.
/// </summary>
/// <param name="request">The request message.</param>
/// <returns>The response message, or null if the response did not carry a message.</returns>
/// <remarks>
/// Typically a deriving channel will override <see cref="CreateHttpRequest"/> to customize this method's
/// behavior. However in non-HTTP frameworks, such as unit test mocks, it may be appropriate to override
/// this method to eliminate all use of an HTTP transport.
/// </remarks>
protected virtual IProtocolMessage RequestInternal(IDirectedProtocolMessage request)
{
HttpWebRequest webRequest = this.CreateHttpRequest(request);
IDictionary <string, string> responseFields;
using (DirectWebResponse response = this.GetDirectResponse(webRequest)) {
if (response.ResponseStream == null)
{
return(null);
}
responseFields = this.ReadFromResponseInternal(response);
}
IDirectResponseProtocolMessage responseMessage = this.MessageFactory.GetNewResponseMessage(request, responseFields);
if (responseMessage == null)
{
return(null);
}
var responseSerializer = MessageSerializer.Get(responseMessage.GetType());
responseSerializer.Deserialize(responseFields, responseMessage);
return(responseMessage);
}
/// <summary> /// Gets the protocol message that may be in the given HTTP response. /// </summary> /// <param name="response">The response that is anticipated to contain an protocol message.</param> /// <returns>The deserialized message parts, if found. Null otherwise.</returns> /// <exception cref="ProtocolException">Thrown when the response is not valid.</exception> protected abstract IDictionary <string, string> ReadFromResponseInternal(DirectWebResponse response);