private HttpWebRequest prepareRequest(string method, Uri uri, object data, IEnumerable <Tag> tags, bool expectBundleResponse)
{
byte[] body = null;
Uri api = uri;
if (UseFormatParam)
{
api = api.AddParam(HttpUtil.RESTPARAM_FORMAT, ContentType.BuildFormatParam(PreferredFormat));
}
var req = initializeRequest(api, method);
if (!UseFormatParam)
{
req.Accept = ContentType.BuildContentType(PreferredFormat, forBundle: expectBundleResponse);
}
if (data is Binary)
{
var bin = (Binary)data;
body = bin.Content;
req.ContentType = bin.ContentType;
}
else if (data is Resource)
{
body = PreferredFormat == ResourceFormat.Xml ?
FhirSerializer.SerializeResourceToXmlBytes((Resource)data) :
FhirSerializer.SerializeResourceToJsonBytes((Resource)data);
req.ContentType = ContentType.BuildContentType(PreferredFormat, false);
}
else if (data is Bundle)
{
body = PreferredFormat == ResourceFormat.Xml ?
FhirSerializer.SerializeBundleToXmlBytes((Bundle)data) :
FhirSerializer.SerializeBundleToJsonBytes((Bundle)data);
req.ContentType = ContentType.BuildContentType(PreferredFormat, true);
}
else if (data is TagList)
{
body = PreferredFormat == ResourceFormat.Xml ?
FhirSerializer.SerializeTagListToXmlBytes((TagList)data) :
FhirSerializer.SerializeTagListToJsonBytes((TagList)data);
req.ContentType = ContentType.BuildContentType(PreferredFormat, false);
}
if (tags != null)
{
req.Headers[HttpUtil.CATEGORY] = HttpUtil.BuildCategoryHeader(tags);
}
if (body != null)
{
writeBody(req, body);
}
return(req);
}
public FhirResponse GetResponse(ResourceFormat?acceptFormat)
{
bool needsFormatParam = UseFormatParameter && acceptFormat.HasValue;
var location = new RestUrl(_location);
if (needsFormatParam)
{
location.AddParam(HttpUtil.RESTPARAM_FORMAT, ContentType.BuildFormatParam(acceptFormat.Value));
}
System.Diagnostics.Debug.WriteLine("{0}: {1}", _method, location.Uri.OriginalString);
var request = createRequest(location.Uri, _method);
if (acceptFormat != null && !UseFormatParameter)
{
request.Accept = ContentType.BuildContentType(acceptFormat.Value, forBundle: false);
}
if (_body != null)
{
request.WriteBody(_body);
request.ContentType = _contentType;
if (_contentLocation != null)
{
request.Headers[HttpRequestHeader.ContentLocation] = _contentLocation;
}
}
if (_categoryHeader != null)
{
request.Headers[HttpUtil.CATEGORY] = _categoryHeader;
}
FhirResponse result = null;
#if !PORTABLE45
request.Timeout = Timeout;
#endif
// Make sure the HttpResponse gets disposed!
if (_beforeRequest != null)
{
_beforeRequest(request);
}
using (HttpWebResponse response = (HttpWebResponse)request.GetResponseNoEx())
{
result = FhirResponse.FromHttpWebResponse(response);
if (_afterRequest != null)
{
_afterRequest(response);
}
}
return(result);
}
public async Task <WebResponse> GetResponseAsync(ResourceFormat?acceptFormat)
{
bool needsFormatParam = UseFormatParameter && acceptFormat.HasValue;
var location = new RestUrl(_location);
if (needsFormatParam)
{
location.AddParam(HttpUtil.RESTPARAM_FORMAT, ContentType.BuildFormatParam(acceptFormat.Value));
}
System.Diagnostics.Debug.WriteLine("(async) {0}: {1}", _method, location.ToString());
HttpWebRequest request = createRequest(location.Uri, _method);
if (acceptFormat != null && !UseFormatParameter)
{
request.Accept = ContentType.BuildContentType(acceptFormat.Value, forBundle: false);
}
if (_categoryHeader != null)
{
request.Headers[HttpUtil.CATEGORY] = _categoryHeader;
}
if (_body != null)
{
request.ContentType = _contentType;
if (_contentLocation != null)
{
request.Headers[HttpRequestHeader.ContentLocation] = _contentLocation;
}
await request.WriteBodyAsync(_body);
}
// Make sure the caller disposes the HttpResponse gets disposed...
if (_beforeRequest != null)
{
_beforeRequest(request);
}
var response = await request.GetResponseAsync(TimeSpan.FromMilliseconds(Timeout));
if (_afterRequest != null)
{
_afterRequest(response);
}
return(response);
}
public static HttpRequestMessage ToHttpRequestMessage(this EntryRequest entry, Uri baseUrl, FhirClientSettings settings)
{
System.Diagnostics.Debug.WriteLine("{0}: {1}", entry.Method, entry.Url);
if (entry.RequestBodyContent != null && !(entry.Method == HTTPVerb.POST || entry.Method == HTTPVerb.PUT))
{
throw Error.InvalidOperation("Cannot have a body on an Http " + entry.Method.ToString());
}
// Create an absolute uri when the interaction.Url is relative.
var uri = new Uri(entry.Url, UriKind.RelativeOrAbsolute);
if (!uri.IsAbsoluteUri)
{
uri = HttpUtil.MakeAbsoluteToBase(uri, baseUrl);
}
var location = new RestUrl(uri);
if (settings.UseFormatParameter)
{
location.AddParam(HttpUtil.RESTPARAM_FORMAT, ContentType.BuildFormatParam(settings.PreferredFormat));
}
var request = new HttpRequestMessage(getMethod(entry.Method), location.Uri);
request.Headers.Add("User-Agent", ".NET FhirClient for FHIR " + entry.Agent);
if (!settings.UseFormatParameter)
{
request.Headers.Accept.Add(MediaTypeWithQualityHeaderValue.Parse(ContentType.BuildContentType(settings.PreferredFormat, forBundle: false)));
}
if (entry.Headers.IfMatch != null)
{
request.Headers.Add("If-Match", entry.Headers.IfMatch);
}
if (entry.Headers.IfNoneMatch != null)
{
request.Headers.Add("If-None-Match", entry.Headers.IfNoneMatch);
}
if (entry.Headers.IfModifiedSince != null)
{
request.Headers.IfModifiedSince = entry.Headers.IfModifiedSince.Value.UtcDateTime;
}
if (entry.Headers.IfNoneExist != null)
{
request.Headers.Add("If-None-Exist", entry.Headers.IfNoneExist);
}
var interactionType = entry.Type;
bool canHaveReturnPreference() => entry.Type == InteractionType.Create ||
entry.Type == InteractionType.Update ||
entry.Type == InteractionType.Patch;
if (canHaveReturnPreference() && settings.PreferredReturn != null)
{
if (settings.PreferredReturn == Prefer.RespondAsync)
{
request.Headers.Add("Prefer", PrimitiveTypeConverter.ConvertTo <string>(settings.PreferredReturn));
}
else
{
request.Headers.Add("Prefer", "return=" + PrimitiveTypeConverter.ConvertTo <string>(settings.PreferredReturn));
}
}
else if (interactionType == InteractionType.Search && settings.PreferredParameterHandling != null)
{
List <string> preferHeader = new List <string>();
if (settings.PreferredParameterHandling.HasValue)
{
preferHeader.Add("handling=" + settings.PreferredParameterHandling.GetLiteral());
}
if (settings.PreferredReturn.HasValue && settings.PreferredReturn == Prefer.RespondAsync)
{
preferHeader.Add(settings.PreferredReturn.GetLiteral());
}
if (preferHeader.Count > 0)
{
request.Headers.Add("Prefer", string.Join(", ", preferHeader));
}
}
if (entry.RequestBodyContent != null)
{
setContentAndContentType(request, entry.RequestBodyContent, entry.ContentType, settings.PreferredFormat);
}
return(request);
}
public static HttpWebRequest ToHttpWebRequest(this EntryRequest entry, Uri baseUrl, FhirClientSettings settings)
{
System.Diagnostics.Debug.WriteLine("{0}: {1}", (object)entry.Method, (object)entry.Url);
if (entry.RequestBodyContent != null && !(entry.Method == HTTPVerb.POST || entry.Method == HTTPVerb.PUT))
{
throw Error.InvalidOperation((string)("Cannot have a body on an Http " + entry.Method.ToString()));
}
// Create an absolute uri when the interaction.Url is relative.
var uri = new Uri(entry.Url, UriKind.RelativeOrAbsolute);
if (!uri.IsAbsoluteUri)
{
uri = HttpUtil.MakeAbsoluteToBase(uri, baseUrl);
}
var location = new RestUrl(uri);
if (settings.UseFormatParameter)
{
location.AddParam(HttpUtil.RESTPARAM_FORMAT, ContentType.BuildFormatParam(settings.PreferredFormat));
}
var request = (HttpWebRequest)HttpWebRequest.Create(location.Uri);
request.Method = entry.Method.ToString();
setAgent(request, ".NET FhirClient for FHIR " + entry.Agent);
if (!settings.UseFormatParameter)
{
request.Accept = ContentType.BuildContentType(settings.PreferredFormat, forBundle: false);
}
request.ContentType = entry.ContentType ?? ContentType.BuildContentType(settings.PreferredFormat, forBundle: false);
if (entry.Headers.IfMatch != null)
{
request.Headers["If-Match"] = entry.Headers.IfMatch;
}
if (entry.Headers.IfNoneMatch != null)
{
request.Headers["If-None-Match"] = entry.Headers.IfNoneMatch;
}
#if NETSTANDARD1_1
if (entry.Headers.IfModifiedSince != null)
{
request.Headers["If-Modified-Since"] = entry.Headers.IfModifiedSince.Value.UtcDateTime.ToString();
}
#else
if (entry.Headers.IfModifiedSince != null)
{
request.IfModifiedSince = entry.Headers.IfModifiedSince.Value.UtcDateTime;
}
#endif
if (entry.Headers.IfNoneExist != null)
{
request.Headers["If-None-Exist"] = entry.Headers.IfNoneExist;
}
if (canHaveReturnPreference() && settings.PreferredReturn.HasValue)
{
if (settings.PreferredReturn == Prefer.RespondAsync)
{
request.Headers["Prefer"] = PrimitiveTypeConverter.ConvertTo <string>(settings.PreferredReturn);
}
else
{
request.Headers["Prefer"] = "return=" + PrimitiveTypeConverter.ConvertTo <string>(settings.PreferredReturn);
}
}
else if (entry.Type == InteractionType.Search)
{
List <string> preferHeader = new List <string>();
if (settings.PreferredParameterHandling.HasValue)
{
preferHeader.Add("handling=" + settings.PreferredParameterHandling.GetLiteral());
}
if (settings.PreferredReturn.HasValue && settings.PreferredReturn == Prefer.RespondAsync)
{
preferHeader.Add(settings.PreferredReturn.GetLiteral());
}
if (preferHeader.Count > 0)
{
request.Headers["Prefer"] = string.Join(", ", preferHeader);
}
}
bool canHaveReturnPreference() => entry.Type == InteractionType.Create ||
entry.Type == InteractionType.Update ||
entry.Type == InteractionType.Patch;
// PCL doesn't support setting the length (and in this case will be empty anyway)
#if !NETSTANDARD1_1
if (entry.RequestBodyContent == null)
{
request.ContentLength = 0;
}
#endif
return(request);
}