internal static ODataFormat GetContentTypeFromSettings(ODataMessageWriterSettings settings, ODataPayloadKind payloadKind, MediaTypeResolver mediaTypeResolver, out MediaType mediaType, out Encoding encoding)
{
ODataFormat format;
MediaTypeWithFormat format2;
MediaTypeWithFormat[] mediaTypesForPayloadKind = mediaTypeResolver.GetMediaTypesForPayloadKind(payloadKind);
if ((mediaTypesForPayloadKind == null) || (mediaTypesForPayloadKind.Length == 0))
{
throw new ODataContentTypeException(Microsoft.Data.OData.Strings.MediaTypeUtils_DidNotFindMatchingMediaType(null, settings.AcceptableMediaTypes));
}
if (settings.UseFormat == true)
{
mediaType = GetDefaultMediaType(mediaTypesForPayloadKind, settings.Format, out format);
encoding = mediaType.SelectEncoding();
return(format);
}
IList <KeyValuePair <MediaType, string> > specifiedTypes = HttpUtils.MediaTypesFromString(settings.AcceptableMediaTypes);
if (((ODataVersion)settings.Version) == ODataVersion.V3)
{
specifiedTypes = RemoveApplicationJsonFromAcceptableMediaTypes(specifiedTypes, mediaTypesForPayloadKind, settings.AcceptableMediaTypes);
}
string str = null;
if ((specifiedTypes == null) || (specifiedTypes.Count == 0))
{
format2 = mediaTypesForPayloadKind[0];
}
else
{
MediaTypeMatchInfo info = MatchMediaTypes(from kvp in specifiedTypes select kvp.Key, (from smt in mediaTypesForPayloadKind select smt.MediaType).ToArray <MediaType>());
if (info == null)
{
throw new ODataContentTypeException(Microsoft.Data.OData.Strings.MediaTypeUtils_DidNotFindMatchingMediaType(string.Join(", ", (from mt in mediaTypesForPayloadKind select mt.MediaType.ToText()).ToArray <string>()), settings.AcceptableMediaTypes));
}
format2 = mediaTypesForPayloadKind[info.TargetTypeIndex];
KeyValuePair <MediaType, string> pair = specifiedTypes[info.SourceTypeIndex];
str = pair.Value;
}
format = format2.Format;
mediaType = format2.MediaType;
string acceptableCharsets = settings.AcceptableCharsets;
if (str != null)
{
acceptableCharsets = (acceptableCharsets == null) ? str : (str + "," + acceptableCharsets);
}
encoding = GetEncoding(acceptableCharsets, payloadKind, mediaType, true);
return(format);
}
private static MediaType ParseContentType(string contentTypeHeader, out string charset)
{
IList <KeyValuePair <MediaType, string> > list = HttpUtils.MediaTypesFromString(contentTypeHeader);
if (list.Count != 1)
{
throw new ODataException(Microsoft.Data.OData.Strings.MediaTypeUtils_NoOrMoreThanOneContentTypeSpecified(contentTypeHeader));
}
KeyValuePair <MediaType, string> pair = list[0];
MediaType key = pair.Key;
CheckMediaTypeForWildCards(key);
KeyValuePair <MediaType, string> pair2 = list[0];
charset = pair2.Value;
return(key);
}
/// <summary>
/// Parses the specified content type header into a media type instance.
/// </summary>
/// <param name="contentTypeHeader">The content type header to parse.</param>
/// <param name="charset">The optional charset specified with the content type.</param>
/// <returns>The <see cref="MediaType"/> of the parsed <paramref name="contentTypeHeader"/>.</returns>
private static MediaType ParseContentType(string contentTypeHeader, out string charset)
{
Debug.Assert(!string.IsNullOrEmpty(contentTypeHeader), "!string.IsNullOrEmpty(contentTypeHeader)");
// parse the content type header into its parts, make sure we only allow one content type to be specified.
IList <KeyValuePair <MediaType, string> > specifiedTypes = HttpUtils.MediaTypesFromString(contentTypeHeader);
if (specifiedTypes.Count != 1)
{
throw new ODataException(Strings.MediaTypeUtils_NoOrMoreThanOneContentTypeSpecified(contentTypeHeader));
}
MediaType contentType = specifiedTypes[0].Key;
CheckMediaTypeForWildCards(contentType);
charset = specifiedTypes[0].Value;
return(contentType);
}
/// <summary>
/// Given the Accept and the Accept-Charset headers of the request message computes the media type, encoding and <see cref="ODataFormat"/>
/// to be used for the response message.
/// </summary>
/// <param name="settings">The message writer settings to use for serializing the response payload.</param>
/// <param name="payloadKind">The kind of payload to be serialized as part of the response message.</param>
/// <param name="mediaTypeResolver">The media type resolver to use when interpreting the content type.</param>
/// <param name="mediaType">The media type to be used in the response message.</param>
/// <param name="encoding">The encoding to be used in the response message.</param>
/// <returns>The <see cref="ODataFormat"/> used when serializing the response.</returns>
internal static ODataFormat GetContentTypeFromSettings(
ODataMessageWriterSettings settings,
ODataPayloadKind payloadKind,
MediaTypeResolver mediaTypeResolver,
out MediaType mediaType,
out Encoding encoding)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(settings != null, "settings != null");
// compute format, media type and encoding
ODataFormat format;
// get the supported and default media types for the specified payload kind
MediaTypeWithFormat[] supportedMediaTypes = mediaTypeResolver.GetMediaTypesForPayloadKind(payloadKind);
if (supportedMediaTypes == null || supportedMediaTypes.Length == 0)
{
throw new ODataContentTypeException(Strings.MediaTypeUtils_DidNotFindMatchingMediaType(null, settings.AcceptableMediaTypes));
}
if (settings.UseFormat == true)
{
Debug.Assert(settings.AcceptableMediaTypes == null, "settings.AcceptableMediaTypes == null");
Debug.Assert(settings.AcceptableCharsets == null, "settings.AcceptableCharsets == null");
mediaType = GetDefaultMediaType(supportedMediaTypes, settings.Format, out format);
// NOTE the default media types don't have any parameters (in particular no 'charset' parameters)
encoding = mediaType.SelectEncoding();
}
else
{
// parse the accept header into its parts
IList <KeyValuePair <MediaType, string> > specifiedTypes = HttpUtils.MediaTypesFromString(settings.AcceptableMediaTypes);
if (settings.Version == ODataVersion.V3)
{
specifiedTypes = RemoveApplicationJsonFromAcceptableMediaTypes(specifiedTypes, supportedMediaTypes, settings.AcceptableMediaTypes);
}
MediaTypeWithFormat selectedMediaTypeWithFormat;
string specifiedCharset = null;
if (specifiedTypes == null || specifiedTypes.Count == 0)
{
selectedMediaTypeWithFormat = supportedMediaTypes[0];
}
else
{
// match the specified media types against the supported/default ones and get the format
MediaTypeMatchInfo matchInfo = MatchMediaTypes(specifiedTypes.Select(kvp => kvp.Key), supportedMediaTypes.Select(smt => smt.MediaType).ToArray());
if (matchInfo == null)
{
// We're calling the ToArray here since not all platforms support the string.Join which takes IEnumerable.
string supportedTypesAsString = string.Join(", ", supportedMediaTypes.Select(mt => mt.MediaType.ToText()).ToArray());
throw new ODataContentTypeException(Strings.MediaTypeUtils_DidNotFindMatchingMediaType(supportedTypesAsString, settings.AcceptableMediaTypes));
}
selectedMediaTypeWithFormat = supportedMediaTypes[matchInfo.TargetTypeIndex];
specifiedCharset = specifiedTypes[matchInfo.SourceTypeIndex].Value;
}
format = selectedMediaTypeWithFormat.Format;
mediaType = selectedMediaTypeWithFormat.MediaType;
// If a charset was specified with the accept header, consider it for the encoding
string acceptableCharsets = settings.AcceptableCharsets;
if (specifiedCharset != null)
{
acceptableCharsets = acceptableCharsets == null ? specifiedCharset : specifiedCharset + "," + acceptableCharsets;
}
encoding = GetEncoding(acceptableCharsets, payloadKind, mediaType, /*useDefaultEncoding*/ true);
}
return(format);
}
/// <summary>
/// Given the Accept and the Accept-Charset headers of the request message computes the media type, encoding and <see cref="ODataFormat"/>
/// to be used for the response message.
/// </summary>
/// <param name="settings">The message writer settings to use for serializing the response payload.</param>
/// <param name="payloadKind">The kind of payload to be serialized as part of the response message.</param>
/// <param name="mediaTypeResolver">The media type resolver to use when interpreting the content type.</param>
/// <param name="mediaType">The media type to be used in the response message.</param>
/// <param name="encoding">The encoding to be used in the response message.</param>
/// <returns>The <see cref="ODataFormat"/> used when serializing the response.</returns>
internal static ODataFormat GetContentTypeFromSettings(
ODataMessageWriterSettings settings,
ODataPayloadKind payloadKind,
MediaTypeResolver mediaTypeResolver,
out MediaType mediaType,
out Encoding encoding)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(settings != null, "settings != null");
// compute format, media type and encoding
ODataFormat format;
// get the supported and default media types for the specified payload kind
IList <MediaTypeWithFormat> supportedMediaTypes = mediaTypeResolver.GetMediaTypesForPayloadKind(payloadKind);
if (supportedMediaTypes == null || supportedMediaTypes.Count == 0)
{
throw new ODataContentTypeException(Strings.MediaTypeUtils_DidNotFindMatchingMediaType(null, settings.AcceptableMediaTypes));
}
if (settings.UseFormat == true)
{
Debug.Assert(settings.AcceptableMediaTypes == null, "settings.AcceptableMediaTypes == null");
Debug.Assert(settings.AcceptableCharsets == null, "settings.AcceptableCharsets == null");
mediaType = GetDefaultMediaType(supportedMediaTypes, settings.Format, out format);
// NOTE the default media types don't have any parameters (in particular no 'charset' parameters)
encoding = mediaType.SelectEncoding();
}
else
{
// parse the accept header into its parts
IList <KeyValuePair <MediaType, string> > specifiedTypes = HttpUtils.MediaTypesFromString(settings.AcceptableMediaTypes);
// Starting in V3 we replace all occurrences of application/json with application/json;odata=minimalmetadata
// before handing the acceptable media types to the conneg code. This is necessary because for an accept
// header 'application/json, application/json;odata=verbose' we want to the result to be 'application/json;odata=minimalmetadata'
// although this is not compliant with the default conneg rules (where application/json;odata=verbose would win).
if (settings.Version >= ODataVersion.V3)
{
ConvertApplicationJsonInAcceptableMediaTypes(specifiedTypes);
}
MediaTypeWithFormat selectedMediaTypeWithFormat;
string specifiedCharset = null;
if (specifiedTypes == null || specifiedTypes.Count == 0)
{
selectedMediaTypeWithFormat = supportedMediaTypes[0];
}
else
{
// match the specified media types against the supported/default ones and get the format
MediaTypeMatchInfo matchInfo = MatchMediaTypes(specifiedTypes.Select(kvp => kvp.Key), supportedMediaTypes.Select(smt => smt.MediaType).ToArray());
if (matchInfo == null)
{
// We're calling the ToArray here since not all platforms support the string.Join which takes IEnumerable.
string supportedTypesAsString = String.Join(", ", supportedMediaTypes.Select(mt => mt.MediaType.ToText()).ToArray());
throw new ODataContentTypeException(Strings.MediaTypeUtils_DidNotFindMatchingMediaType(supportedTypesAsString, settings.AcceptableMediaTypes));
}
selectedMediaTypeWithFormat = supportedMediaTypes[matchInfo.TargetTypeIndex];
specifiedCharset = specifiedTypes[matchInfo.SourceTypeIndex].Value;
}
format = selectedMediaTypeWithFormat.Format;
mediaType = selectedMediaTypeWithFormat.MediaType;
// If a charset was specified with the accept header, consider it for the encoding
string acceptableCharsets = settings.AcceptableCharsets;
if (specifiedCharset != null)
{
acceptableCharsets = acceptableCharsets == null ? specifiedCharset : specifiedCharset + "," + acceptableCharsets;
}
encoding = GetEncoding(acceptableCharsets, payloadKind, mediaType, /*useDefaultEncoding*/ true);
}
return(format);
}