/// <summary>
/// Sets the parameters of the incoming http response from a CoAP response.
/// The status code is mapped through the properties file and is set through
/// the StatusLine. The options are translated to the corresponding headers
/// and the max-age (in the header cache-control) is set to the default value
/// (60 seconds) if not already present. If the request method was not HEAD
/// and the coap response has a payload, the entity and the content-type are
/// set in the http response.
/// </summary>
public static void GetHttpResponse(IHttpRequest httpRequest, Response coapResponse, IHttpResponse httpResponse)
{
if (httpRequest == null)
throw ThrowHelper.ArgumentNull("httpRequest");
if (coapResponse == null)
throw ThrowHelper.ArgumentNull("coapResponse");
if (httpResponse == null)
throw ThrowHelper.ArgumentNull("httpResponse");
HttpStatusCode httpCode;
if (!coap2httpCode.TryGetValue(coapResponse.StatusCode, out httpCode))
throw ThrowHelper.TranslationException("Cannot convert the coap code in http status code: " + coapResponse.StatusCode);
httpResponse.StatusCode = (Int32)httpCode;
NameValueCollection nvc = GetHttpHeaders(coapResponse.GetOptions());
// set max-age if not already set
if (nvc["cache-control"] == null)
nvc.Set("cache-control", "max-age=" + CoapConstants.DefaultMaxAge);
foreach (String key in nvc.Keys)
{
httpResponse.AppendHeader(key, nvc[key]);
}
Byte[] payload = coapResponse.Payload;
if (payload != null)
{
httpResponse.OutputStream.Write(payload, 0, payload.Length);
String contentType;
if (coap2httpContentType.TryGetValue(coapResponse.ContentType, out contentType))
httpResponse.AppendHeader("content-type", contentType);
}
}
