/// <summary>
/// Determines whether the the processor can handle a given content type and model
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client</param>
/// <param name="model">The model for the given media range</param>
/// <param name="context">The nancy context</param>
/// <returns>A ProcessorMatch result that determines the priority of the processor</returns>
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
if (model is FeatureCollection)
{ // the model is a feature collection, only then can this GeoJson processor be used.
if (IsExactJsonContentType(requestedMediaRange))
{
return new ProcessorMatch
{
ModelResult = MatchResult.ExactMatch,
RequestedContentTypeResult = MatchResult.ExactMatch
};
}
if (IsWildcardJsonContentType(requestedMediaRange))
{
return new ProcessorMatch
{
ModelResult = MatchResult.ExactMatch,
RequestedContentTypeResult = MatchResult.NonExactMatch
};
}
}
return new ProcessorMatch
{
ModelResult = MatchResult.DontCare,
RequestedContentTypeResult = MatchResult.NoMatch
};
}
/// <summary>
/// Deserialize the request body to a model
/// </summary>
/// <param name="mediaRange">Content type to deserialize</param>
/// <param name="bodyStream">Request body stream</param>
/// <param name="context">Current context</param>
/// <returns>Model instance</returns>
public object Deserialize(MediaRange mediaRange, Stream bodyStream, BindingContext context)
{
var serializer = new JavaScriptSerializer(
null,
false,
this.configuration.MaxJsonLength,
this.configuration.MaxRecursions,
this.configuration.RetainCasing,
this.configuration.UseISO8601DateFormat,
this.configuration.Converters,
this.configuration.PrimitiveConverters);
serializer.RegisterConverters(this.configuration.Converters, this.configuration.PrimitiveConverters);
bodyStream.Position = 0;
string bodyText;
using (var bodyReader = new StreamReader(bodyStream))
{
bodyText = bodyReader.ReadToEnd();
}
var genericDeserializeMethod = this.deserializeMethod.MakeGenericMethod(context.DestinationType);
var deserializedObject = genericDeserializeMethod.Invoke(serializer, new object[] { bodyText });
return deserializedObject;
}
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
return new JsonResponse(BuildHypermedia(model, context), serializer)
{
ContentType = "application/hal+json"
};
}
/// <summary>
/// Determines whether the the processor can handle a given content type and model
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client</param>
/// <param name="model">The model for the given media range</param>
/// <param name="context">The nancy context</param>
/// <returns>A ProcessorMatch result that determines the priority of the processor</returns>
public override ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
if (model as PomonaResponse == null)
return new ProcessorMatch
{
ModelResult = MatchResult.NoMatch,
RequestedContentTypeResult = MatchResult.DontCare
};
//if (IsTextHtmlContentType(requestedMediaRange))
// return new ProcessorMatch
// {
// ModelResult = MatchResult.ExactMatch,
// RequestedContentTypeResult = MatchResult.ExactMatch
// };
if (IsExactCsvContentType(requestedMediaRange))
{
return new ProcessorMatch
{
ModelResult = MatchResult.ExactMatch,
RequestedContentTypeResult = MatchResult.ExactMatch
};
}
return new ProcessorMatch
{
ModelResult = MatchResult.ExactMatch,
RequestedContentTypeResult = MatchResult.NoMatch
};
}
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
var format =
SparqlResultsFormat.AllFormats.FirstOrDefault(f => f.MediaTypes.Any(m => requestedMediaRange.Matches(m)));
var queryModel = model as SparqlQueryProcessingModel;
return new SparqlQueryResponse(queryModel, context.Request.Headers.IfModifiedSince, format);
}
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
var processingModel = model as SparqlQueryProcessingModel;
if (processingModel != null)
{
var format = (processingModel.OverrideResultsFormat ??
SparqlResultsFormat.AllFormats.FirstOrDefault(
f => f.MediaTypes.Any(m => requestedMediaRange.Matches(m)))) ??
SparqlResultsFormat.Xml;
var graphFormat =
(processingModel.OverrideGraphFormat ??
RdfFormat.AllFormats.FirstOrDefault(f => f.MediaTypes.Any(m => requestedMediaRange.Matches(m)))) ??
RdfFormat.RdfXml;
return new SparqlQueryResponse(processingModel, context.Request.Headers.IfModifiedSince, format, graphFormat);
}
var graphList = model as GraphListModel;
if (graphList != null)
{
var format =
SparqlResultsFormat.AllFormats.FirstOrDefault(
f => f.MediaTypes.Any(m => requestedMediaRange.Matches(m))) ?? SparqlResultsFormat.Xml;
return new TextResponse(
graphList.AsString(format), format.MediaTypes[0]);
}
throw new ArgumentException("Unexpected model type: " + model.GetType());
}
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
var graphListModel = model as GraphListModel;
if (graphListModel != null)
{
if (requestedMediaRange.Matches(JsonMediaRange))
{
return new ProcessorMatch
{
ModelResult = MatchResult.ExactMatch,
RequestedContentTypeResult = MatchResult.ExactMatch
};
}
return new ProcessorMatch
{
ModelResult = MatchResult.ExactMatch,
RequestedContentTypeResult = MatchResult.NoMatch
};
}
return new ProcessorMatch
{
ModelResult = MatchResult.NoMatch,
RequestedContentTypeResult = MatchResult.NoMatch
};
}
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
if (IsSomeXmlType(requestedMediaRange) || IsTextHhtml(requestedMediaRange))
return new ProcessorMatch {RequestedContentTypeResult = MatchResult.ExactMatch, ModelResult = MatchResult.DontCare};
else
return new ProcessorMatch {ModelResult = MatchResult.NoMatch, RequestedContentTypeResult = MatchResult.NoMatch};
}
/// <summary>
/// Deserialize the request body to a model
/// </summary>
/// <param name="mediaRange">Content type to deserialize</param>
/// <param name="bodyStream">Request body stream</param>
/// <param name="context">Current context</param>
/// <returns>Model instance</returns>
public object Deserialize(MediaRange mediaRange, Stream bodyStream, BindingContext context)
{
if (bodyStream.CanSeek)
{
bodyStream.Position = 0;
}
var deserializedObject =
this.serializer.Deserialize(new StreamReader(bodyStream), context.DestinationType);
var properties =
context.DestinationType.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Select(p => new BindingMemberInfo(p));
var fields =
context.DestinationType.GetFields(BindingFlags.Public | BindingFlags.Instance)
.Select(f => new BindingMemberInfo(f));
if (properties.Concat(fields).Except(context.ValidModelBindingMembers).Any())
{
return CreateObjectWithBlacklistExcluded(context, deserializedObject);
}
return deserializedObject;
}
private static string GetErrorMessage(IEnumerable<ISerializer> matches, MediaRange mediaRange)
{
var details =
string.Join("\n", matches.Select(x => string.Concat(" - ", x.GetType().FullName)));
return string.Format("Multiple ISerializer implementations matched the '{0}' media range.\nThe following serializers matched \n\n{1}", mediaRange, details);
}
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
if (IsExactSirenContentType(requestedMediaRange))
{
return new ProcessorMatch
{
ModelResult = MatchResult.DontCare,
RequestedContentTypeResult = MatchResult.ExactMatch
};
}
if (IsWildcardSirenContentType(requestedMediaRange))
{
return new ProcessorMatch
{
ModelResult = MatchResult.DontCare,
RequestedContentTypeResult = MatchResult.NonExactMatch
};
}
return new ProcessorMatch
{
ModelResult = MatchResult.DontCare,
RequestedContentTypeResult = MatchResult.NoMatch
};
}
/// <summary>
/// Determines whether the the processor can handle a given content type and model.
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client.</param>
/// <param name="model">The model for the given media range.</param>
/// <param name="context">The nancy context.</param>
/// <returns>A <see cref="ProcessorMatch"/> result that determines the priority of the processor.</returns>
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
return new ProcessorMatch
{
ModelResult = (model is Response) ? MatchResult.ExactMatch : MatchResult.NoMatch,
RequestedContentTypeResult = MatchResult.DontCare
};
}
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
return new ProcessorMatch
{
ModelResult = MatchResult.DontCare,
RequestedContentTypeResult = MatchResult.DontCare
};
}
public void Should_strip_whitespace_when_calling_tostring()
{
// Given
var range = new MediaRange("application/vnd.nancy ; a=1; b=2");
// Then
range.ToString().ShouldEqual("application/vnd.nancy;a=1;b=2");
}
public void Should_include_parameters_when_calling_tostring()
{
// Given
var range = new MediaRange("application/vnd.nancy;a=1;b=2");
// Then
range.ToString().ShouldEqual("application/vnd.nancy;a=1;b=2");
}
public void Should_handle_no_parameters_when_calling_tostring()
{
// Given
var range = new MediaRange("application/vnd.nancy");
// Then
range.ToString().ShouldEqual("application/vnd.nancy");
}
/// <summary>
/// Process the response.
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client.</param>
/// <param name="model">The model for the given media range.</param>
/// <param name="context">The nancy context.</param>
/// <returns>A <see cref="Response"/> instance.</returns>
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
var viewResponse = this.viewFactory.RenderView(context.NegotiationContext.ViewName, model, GetViewLocationContext(context));
return this.traceConfiguration.DisplayErrorTraces
? new MaterialisingResponse(viewResponse)
: viewResponse;
}
/// <summary>
/// Gets the correct model for the given media range
/// </summary>
/// <param name="mediaRange">The <see cref="MediaRange"/> to get the model for.</param>
/// <returns>The model for the provided <paramref name="mediaRange"/> if it has been mapped, otherwise the <see cref="DefaultModel"/> will be returned.</returns>
public dynamic GetModelForMediaRange(MediaRange mediaRange)
{
var matching = this.MediaRangeModelMappings.Any(m => mediaRange.Matches(m.Key));
return(matching ?
this.MediaRangeModelMappings.First(m => mediaRange.Matches(m.Key)).Value.Invoke() :
this.DefaultModel);
}
private static bool IsExactJsonContentType(MediaRange requestedContentType)
{
if (requestedContentType.Type.IsWildcard && requestedContentType.Subtype.IsWildcard)
{
return(true);
}
return(requestedContentType.Matches("application/json") || requestedContentType.Matches("text/json"));
}
/// <summary>
/// Determines whether the the processor can handle a given content type and model.
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client.</param>
/// <param name="model">The model for the given media range.</param>
/// <param name="context">The nancy context.</param>
/// <returns>A <see cref="ProcessorMatch"/> result that determines the priority of the processor.</returns>
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
var matchingContentType =
requestedMediaRange.Matches("text/html");
return matchingContentType
? new ProcessorMatch { ModelResult = MatchResult.DontCare, RequestedContentTypeResult = MatchResult.ExactMatch }
: new ProcessorMatch();
}
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
return new Response
{
ContentType = "application/json",
Contents = stream => this.serializer.Serialize("application/json", model, stream),
StatusCode = HttpStatusCode.OK
}.WithHeader("Link", "</context.jsonld>; rel=\"http://www.w3.org/ns/json-ld#context\"; type=\"application/ld+json\"");
}
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
if (IsWildCardOrApplicationType(requestedMediaRange.Type) && IsWildCardOrXmlSubType(requestedMediaRange.Subtype))
return new ProcessorMatch {RequestedContentTypeResult = MatchResult.ExactMatch, ModelResult = MatchResult.DontCare};
else if (IsTextHhtml(requestedMediaRange))
return new ProcessorMatch { RequestedContentTypeResult = MatchResult.NonExactMatch, ModelResult = MatchResult.DontCare };
else
return new ProcessorMatch {ModelResult = MatchResult.NoMatch, RequestedContentTypeResult = MatchResult.NoMatch};
}
private static bool IsExactJsonContentType(MediaRange requestedContentType)
{
if (requestedContentType.Type.IsWildcard && requestedContentType.Subtype.IsWildcard)
{
return true;
}
return requestedContentType.Matches("application/json") || requestedContentType.Matches("text/json");
}
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
if (requestedMediaRange.Matches("application/json"))
{
return new ProcessorMatch { ModelResult = MatchResult.NoMatch, RequestedContentTypeResult = MatchResult.NoMatch };
}
return new ProcessorMatch { ModelResult = MatchResult.ExactMatch, RequestedContentTypeResult = MatchResult.ExactMatch };
}
private static bool IsExactPdfContentType(MediaRange requestedContentType)
{
if (requestedContentType.Type.IsWildcard && requestedContentType.Subtype.IsWildcard)
{
return true;
}
return requestedContentType.Matches("application/pdf");
}
private static bool IsExactSirenContentType(MediaRange requestedContentType)
{
if (requestedContentType.Type.IsWildcard && requestedContentType.Subtype.IsWildcard)
{
return true;
}
return requestedContentType.Matches("application/vnd.siren+json");
}
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
if (model is Stream)
{
return new StreamResponse(() => model, requestedMediaRange);
}
return new ByteArrayResponse((byte[])model, requestedMediaRange);
}
public void Should_match_with_parameters_if_parameters_match_in_any_order()
{
// Given
var range1 = new MediaRange("application/vnd.nancy;a=1;b=2");
var range2 = new MediaRange("application/vnd.nancy;b=2;a=1");
// Then
range1.MatchesWithParameters(range2).ShouldBeTrue();
}
public void Should_not_match_with_parameters_if_parameters_do_not_match()
{
// Given
var range1 = new MediaRange("application/vnd.nancy;a=1;b=2");
var range2 = new MediaRange("application/vnd.nancy;a=1;b=2;c=3");
// Then
range1.MatchesWithParameters(range2).ShouldBeFalse();
}
/// <summary>
/// Deserialize the request body to a model
/// </summary>
/// <param name="mediaRange">Content type to deserialize</param>
/// <param name="bodyStream">Request body stream</param>
/// <param name="context">Current <see cref="BindingContext"/>.</param>
/// <returns>Model instance</returns>
public object Deserialize(MediaRange mediaRange, Stream bodyStream, BindingContext context)
{
if (bodyStream.CanSeek)
{
bodyStream.Position = 0;
}
var ser = new XmlSerializer(context.DestinationType);
return ser.Deserialize(bodyStream);
}
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
if (model is SparqlQueryProcessingModel)
{
var processingModel = model as SparqlQueryProcessingModel;
if (processingModel.SparqlRequest.Format != null)
{
var sparqlFormat =
processingModel.SparqlRequest.Format.Select(SparqlResultsFormat.GetResultsFormat)
.FirstOrDefault();
var graphFormat =
processingModel.SparqlRequest.Format.Select(RdfFormat.GetResultsFormat)
.FirstOrDefault();
processingModel.OverrideSparqlFormat = sparqlFormat;
processingModel.OverrideGraphFormat = graphFormat;
if (sparqlFormat != null || graphFormat != null)
{
return new ProcessorMatch
{
ModelResult = MatchResult.ExactMatch,
RequestedContentTypeResult = MatchResult.ExactMatch
};
}
}
if ((processingModel.ResultModel == SerializableModel.SparqlResultSet) &&
(SparqlResultsFormat.AllMediaTypes.Any(m => requestedMediaRange.Matches(MediaRange.FromString(m)))))
{
return new ProcessorMatch
{
ModelResult = MatchResult.ExactMatch,
RequestedContentTypeResult = MatchResult.ExactMatch
};
}
if ((processingModel.ResultModel == SerializableModel.RdfGraph) &&
(RdfFormat.AllMediaTypes.Any(m => requestedMediaRange.Matches(MediaRange.FromString(m)))))
{
return new ProcessorMatch
{
ModelResult = MatchResult.ExactMatch,
RequestedContentTypeResult = MatchResult.ExactMatch
};
}
return new ProcessorMatch
{
ModelResult = MatchResult.ExactMatch,
RequestedContentTypeResult = MatchResult.NoMatch
};
}
return new ProcessorMatch
{
ModelResult = MatchResult.NoMatch,
RequestedContentTypeResult = MatchResult.DontCare
};
}
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
if (!context.Request.Url.Path.Contains("jmmserverimage2", StringComparison.OrdinalIgnoreCase))
return new ProcessorMatch { ModelResult = MatchResult.NoMatch, RequestedContentTypeResult = MatchResult.NoMatch };
var acceptableType = (model != null && (model.GetType() == typeof(byte[]) || model is Stream));
var modelResult = acceptableType ? MatchResult.ExactMatch : MatchResult.NoMatch;
var contentTypeResult = Mappings.Any(map => map.Item2.Matches(requestedMediaRange)) ? MatchResult.ExactMatch : MatchResult.NoMatch;
return new ProcessorMatch { ModelResult = modelResult, RequestedContentTypeResult = contentTypeResult };
}
/// <summary>
/// Determines whether the processor can handle a given content type and model.
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client.</param>
/// <param name="model">The model for the given media range.</param>
/// <param name="context">The nancy context.</param>
/// <returns>A <see cref="ProcessorMatch"/> result that determines the priority of the processor.</returns>
public ProcessorMatch CanProcess(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
var matchingContentType =
requestedMediaRange.Matches("text/html");
return(matchingContentType
? new ProcessorMatch {
ModelResult = MatchResult.DontCare, RequestedContentTypeResult = MatchResult.ExactMatch
}
: new ProcessorMatch());
}
private static bool IsWildcardJsonContentType(MediaRange requestedContentType)
{
if (!requestedContentType.Type.IsWildcard && !string.Equals("application", requestedContentType.Type, StringComparison.OrdinalIgnoreCase))
{
return(false);
}
if (requestedContentType.Subtype.IsWildcard)
{
return(true);
}
var subtypeString = requestedContentType.Subtype.ToString();
return(subtypeString.EndsWith("+json", StringComparison.OrdinalIgnoreCase));
}
private static bool IsWildcardXmlContentType(MediaRange requestedContentType)
{
if (!requestedContentType.Type.IsWildcard && !string.Equals("application", requestedContentType.Type, StringComparison.InvariantCultureIgnoreCase))
{
return(false);
}
if (requestedContentType.Subtype.IsWildcard)
{
return(true);
}
var subtypeString = requestedContentType.Subtype.ToString();
return(subtypeString.StartsWith("vnd", StringComparison.InvariantCultureIgnoreCase) &&
subtypeString.EndsWith("+xml", StringComparison.InvariantCultureIgnoreCase));
}
/// <summary>
/// Whether or not a media range matches another, taking into account wildcards and parameters
/// </summary>
/// <param name="other">Other media range</param>
/// <returns>True if matching, false if not</returns>
public bool MatchesWithParameters(MediaRange other)
{
return(this.Matches(other) && this.Parameters.Matches(other.Parameters));
}
/// <summary>
/// Process the response.
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client.</param>
/// <param name="model">The model for the given media range.</param>
/// <param name="context">The nancy context.</param>
/// <returns>A <see cref="Response"/> instance.</returns>
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
return(this.viewFactory.RenderView(context.NegotiationContext.ViewName, model, GetViewLocationContext(context)));
}
/// <summary>
/// Process the response
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client</param>
/// <param name="model">The model for the given media range</param>
/// <param name="context">The nancy context</param>
/// <returns>A response</returns>
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
return(new JsonResponse(model, this.serializer, this.environment));
}
/// <summary>
/// Process the response.
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client.</param>
/// <param name="model">The model for the given media range.</param>
/// <param name="context">The nancy context.</param>
/// <returns>A <see cref="Response"/> instance.</returns>
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
var viewResponse = this.viewFactory.RenderView(context.NegotiationContext.ViewName, model, GetViewLocationContext(context));
return(StaticConfiguration.DisableErrorTraces ? viewResponse : new MaterialisingResponse(viewResponse));
}
/// <summary>
/// Process the response.
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client.</param>
/// <param name="model">The model for the given media range.</param>
/// <param name="context">The nancy context.</param>
/// <returns>A <see cref="Response"/> instance.</returns>
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
return(CreateResponse(model, serializer));
}
/// <summary>
/// Process the response.
/// </summary>
/// <param name="requestedMediaRange">Content type requested by the client.</param>
/// <param name="model">The model for the given media range.</param>
/// <param name="context">The nancy context.</param>
/// <returns>A <see cref="Response"/> instance.</returns>
public Response Process(MediaRange requestedMediaRange, dynamic model, NancyContext context)
{
return((Response)model);
}
/// <summary>
/// Whether or not a media range matches another, taking into account wildcards
/// </summary>
/// <param name="other">Other media range</param>
/// <returns>True if matching, false if not</returns>
public bool Matches(MediaRange other)
{
return(this.Type.Matches(other.Type) && this.Subtype.Matches(other.Subtype));
}
