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64 changes: 64 additions & 0 deletions
64
src/Spark.Engine/Formatters/NetCore/AsyncResourceJsonInputFormatter.cs
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#if NETSTANDARD2_0 | ||
using Hl7.Fhir.Model; | ||
using Hl7.Fhir.Serialization; | ||
using Microsoft.AspNetCore.Http; | ||
using Microsoft.AspNetCore.Mvc.Formatters; | ||
using Microsoft.AspNetCore.WebUtilities; | ||
using Newtonsoft.Json; | ||
using Spark.Core; | ||
using Spark.Engine.Extensions; | ||
using System; | ||
using System.Buffers; | ||
using System.Diagnostics; | ||
using System.IO; | ||
using System.Text; | ||
using System.Threading.Tasks; | ||
|
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namespace Spark.Engine.Formatters | ||
{ | ||
public class AsyncResourceJsonInputFormatter : TextInputFormatter | ||
{ | ||
private readonly FhirJsonParser _parser; | ||
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public AsyncResourceJsonInputFormatter(FhirJsonParser parser) | ||
{ | ||
_parser = parser ?? throw new ArgumentNullException(nameof(parser)); | ||
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SupportedEncodings.Clear(); | ||
SupportedEncodings.Add(Encoding.UTF8); | ||
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SupportedMediaTypes.Add("application/json"); | ||
SupportedMediaTypes.Add("application/fhir+json"); | ||
SupportedMediaTypes.Add("application/json+fhir"); | ||
SupportedMediaTypes.Add("text/json"); | ||
} | ||
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protected override bool CanReadType(Type type) | ||
{ | ||
return typeof(Resource).IsAssignableFrom(type); | ||
} | ||
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public override async Task<InputFormatterResult> ReadRequestBodyAsync(InputFormatterContext context, Encoding encoding) | ||
{ | ||
if (context == null) throw new ArgumentNullException(nameof(context)); | ||
if (encoding == null) throw new ArgumentNullException(nameof(encoding)); | ||
if (encoding != Encoding.UTF8) | ||
throw Error.BadRequest("FHIR supports UTF-8 encoding exclusively, not " + encoding.WebName); | ||
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try | ||
{ | ||
using var reader = new StreamReader(context.HttpContext.Request.Body, Encoding.UTF8); | ||
var body = await reader.ReadToEndAsync(); | ||
var resource = _parser.Parse<Resource>(body); | ||
context.HttpContext.AddResourceType(resource.GetType()); | ||
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return await InputFormatterResult.SuccessAsync(resource); | ||
} | ||
catch (FormatException exception) | ||
{ | ||
throw Error.BadRequest($"Body parsing failed: {exception.Message}"); | ||
} | ||
} | ||
} | ||
} | ||
#endif |
95 changes: 95 additions & 0 deletions
95
src/Spark.Engine/Formatters/NetCore/AsyncResourceJsonOutputFormatter.cs
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#if NETSTANDARD2_0 | ||
using FhirModel = Hl7.Fhir.Model; | ||
using Hl7.Fhir.Rest; | ||
using Hl7.Fhir.Serialization; | ||
using Microsoft.AspNetCore.Mvc.Formatters; | ||
using Newtonsoft.Json; | ||
using Spark.Core; | ||
using Spark.Engine.Core; | ||
using Spark.Engine.Extensions; | ||
using System; | ||
using System.IO; | ||
using System.Text; | ||
using System.Threading.Tasks; | ||
using Microsoft.AspNetCore.Mvc; | ||
using System.Net; | ||
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namespace Spark.Engine.Formatters | ||
{ | ||
public class AsyncResourceJsonOutputFormatter : TextOutputFormatter | ||
{ | ||
public static readonly string[] JsonMediaTypes = | ||
{ | ||
"application/json", | ||
"application/fhir+json", | ||
"application/json+fhir", | ||
"text/json" | ||
}; | ||
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public AsyncResourceJsonOutputFormatter() | ||
{ | ||
SupportedEncodings.Clear(); | ||
SupportedEncodings.Add(Encoding.UTF8); | ||
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foreach (var mediaType in JsonMediaTypes) | ||
{ | ||
SupportedMediaTypes.Add(mediaType); | ||
} | ||
} | ||
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protected override bool CanWriteType(Type type) | ||
{ | ||
return typeof(FhirModel.Resource).IsAssignableFrom(type) | ||
|| typeof(FhirResponse).IsAssignableFrom(type) | ||
|| typeof(ValidationProblemDetails).IsAssignableFrom(type); | ||
} | ||
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public override async Task WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding) | ||
{ | ||
if (context == null) throw new ArgumentNullException(nameof(context)); | ||
if (selectedEncoding == null) throw new ArgumentNullException(nameof(selectedEncoding)); | ||
if (selectedEncoding != Encoding.UTF8) throw Error.BadRequest($"FHIR supports UTF-8 encoding exclusively, not {selectedEncoding.WebName}"); | ||
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if (!(context.HttpContext.RequestServices.GetService(typeof(FhirJsonSerializer)) is FhirJsonSerializer serializer)) | ||
throw Error.Internal($"Missing required dependency '{nameof(FhirJsonSerializer)}'"); | ||
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var responseBody = context.HttpContext.Response.Body; | ||
var writeBodyString = string.Empty; | ||
var summaryType = context.HttpContext.Request.RequestSummary(); | ||
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if (typeof(FhirResponse).IsAssignableFrom(context.ObjectType)) | ||
{ | ||
FhirResponse response = context.Object as FhirResponse; | ||
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context.HttpContext.Response.AcquireHeaders(response); | ||
context.HttpContext.Response.StatusCode = (int)response.StatusCode; | ||
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if (response.Resource != null) | ||
{ | ||
writeBodyString = serializer.SerializeToString(response.Resource, summaryType); | ||
} | ||
} | ||
else if (context.ObjectType == typeof(FhirModel.OperationOutcome) || typeof(FhirModel.Resource).IsAssignableFrom(context.ObjectType)) | ||
{ | ||
if (context.Object != null) | ||
{ | ||
writeBodyString = serializer.SerializeToString(context.Object as FhirModel.Resource, summaryType); | ||
} | ||
} | ||
else if (context.Object is ValidationProblemDetails validationProblems) | ||
{ | ||
FhirModel.OperationOutcome outcome = new FhirModel.OperationOutcome(); | ||
outcome.AddValidationProblems(context.HttpContext.GetResourceType(), (HttpStatusCode)context.HttpContext.Response.StatusCode, validationProblems); | ||
writeBodyString = serializer.SerializeToString(outcome, summaryType); | ||
} | ||
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if (!string.IsNullOrWhiteSpace(writeBodyString)) | ||
{ | ||
var writeBuffer = selectedEncoding.GetBytes(writeBodyString); | ||
await responseBody.WriteAsync(writeBuffer, 0, writeBuffer.Length); | ||
await responseBody.FlushAsync(); | ||
} | ||
} | ||
} | ||
} | ||
#endif |
65 changes: 65 additions & 0 deletions
65
src/Spark.Engine/Formatters/NetCore/AsyncResourceXmlInputFormatter.cs
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@@ -0,0 +1,65 @@ | ||
#if NETSTANDARD2_0 | ||
using Hl7.Fhir.Model; | ||
using Hl7.Fhir.Serialization; | ||
using Microsoft.AspNetCore.Http; | ||
using Microsoft.AspNetCore.Mvc.Formatters; | ||
using Microsoft.AspNetCore.WebUtilities; | ||
using Spark.Core; | ||
using Spark.Engine.Extensions; | ||
using Spark.Engine.IO; | ||
using System; | ||
using System.Diagnostics; | ||
using System.IO; | ||
using System.Text; | ||
using System.Threading.Tasks; | ||
using System.Xml; | ||
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namespace Spark.Engine.Formatters | ||
{ | ||
public class AsyncResourceXmlInputFormatter : TextInputFormatter | ||
{ | ||
private readonly FhirXmlParser _parser; | ||
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public AsyncResourceXmlInputFormatter(FhirXmlParser parser) | ||
{ | ||
_parser = parser; | ||
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SupportedEncodings.Clear(); | ||
SupportedEncodings.Add(Encoding.UTF8); | ||
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SupportedMediaTypes.Add("application/xml"); | ||
SupportedMediaTypes.Add("application/fhir+xml"); | ||
SupportedMediaTypes.Add("application/xml+fhir"); | ||
SupportedMediaTypes.Add("text/xml"); | ||
SupportedMediaTypes.Add("text/xml+fhir"); | ||
} | ||
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protected override bool CanReadType(Type type) | ||
{ | ||
return typeof(Resource).IsAssignableFrom(type); | ||
} | ||
|
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public override async Task<InputFormatterResult> ReadRequestBodyAsync(InputFormatterContext context, Encoding encoding) | ||
{ | ||
if (context == null) throw new ArgumentNullException(nameof(context)); | ||
if (encoding == null) throw new ArgumentNullException(nameof(encoding)); | ||
if (encoding != Encoding.UTF8) | ||
throw Error.BadRequest("FHIR supports UTF-8 encoding exclusively, not " + encoding.WebName); | ||
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try | ||
{ | ||
using var reader = new StreamReader(context.HttpContext.Request.Body, Encoding.UTF8); | ||
var body = await reader.ReadToEndAsync(); | ||
var resource = _parser.Parse<Resource>(body); | ||
context.HttpContext.AddResourceType(resource.GetType()); | ||
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return await InputFormatterResult.SuccessAsync(resource); | ||
} | ||
catch (FormatException exception) | ||
{ | ||
throw Error.BadRequest($"Body parsing failed: {exception.Message}"); | ||
} | ||
} | ||
} | ||
} | ||
#endif |
97 changes: 97 additions & 0 deletions
97
src/Spark.Engine/Formatters/NetCore/AsyncResourceXmlOutputFormatter.cs
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@@ -0,0 +1,97 @@ | ||
#if NETSTANDARD2_0 | ||
using FhirModel = Hl7.Fhir.Model; | ||
using Hl7.Fhir.Rest; | ||
using Hl7.Fhir.Serialization; | ||
using Microsoft.AspNetCore.Mvc.Formatters; | ||
using Spark.Core; | ||
using Spark.Engine.Core; | ||
using Spark.Engine.Extensions; | ||
using System; | ||
using System.IO; | ||
using System.Text; | ||
using System.Threading.Tasks; | ||
using System.Xml; | ||
using Microsoft.AspNetCore.Mvc; | ||
using System.Net; | ||
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namespace Spark.Engine.Formatters | ||
{ | ||
public class AsyncResourceXmlOutputFormatter : TextOutputFormatter | ||
{ | ||
public static readonly string[] XmlMediaTypes = | ||
{ | ||
"application/xml", | ||
"application/fhir+xml", | ||
"application/xml+fhir", | ||
"text/xml", | ||
"text/xml+fhir" | ||
}; | ||
|
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public AsyncResourceXmlOutputFormatter() | ||
{ | ||
SupportedEncodings.Clear(); | ||
SupportedEncodings.Add(Encoding.UTF8); | ||
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foreach (var mediaType in XmlMediaTypes) | ||
{ | ||
SupportedMediaTypes.Add(mediaType); | ||
} | ||
} | ||
|
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protected override bool CanWriteType(Type type) | ||
{ | ||
return | ||
typeof(FhirModel.Resource).IsAssignableFrom(type) | ||
|| typeof(FhirResponse).IsAssignableFrom(type) | ||
|| typeof(ValidationProblemDetails).IsAssignableFrom(type); | ||
} | ||
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public override async Task WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding) | ||
{ | ||
if (context == null) throw new ArgumentNullException(nameof(context)); | ||
if (selectedEncoding == null) throw new ArgumentNullException(nameof(selectedEncoding)); | ||
if (selectedEncoding != Encoding.UTF8) throw Error.BadRequest($"FHIR supports UTF-8 encoding exclusively, not {selectedEncoding.WebName}"); | ||
|
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if (!(context.HttpContext.RequestServices.GetService(typeof(FhirXmlSerializer)) is FhirXmlSerializer serializer)) | ||
throw Error.Internal($"Missing required dependency '{nameof(FhirXmlSerializer)}'"); | ||
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var responseBody = context.HttpContext.Response.Body; | ||
var writeBodyString = string.Empty; | ||
var summaryType = context.HttpContext.Request.RequestSummary(); | ||
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if (typeof(FhirResponse).IsAssignableFrom(context.ObjectType)) | ||
{ | ||
FhirResponse response = context.Object as FhirResponse; | ||
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context.HttpContext.Response.AcquireHeaders(response); | ||
context.HttpContext.Response.StatusCode = (int)response.StatusCode; | ||
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if (response.Resource != null) | ||
{ | ||
writeBodyString = serializer.SerializeToString(response.Resource, summaryType); | ||
} | ||
} | ||
else if (context.ObjectType == typeof(FhirModel.OperationOutcome) || typeof(FhirModel.Resource).IsAssignableFrom(context.ObjectType)) | ||
{ | ||
if (context.Object != null) | ||
{ | ||
writeBodyString = serializer.SerializeToString(context.Object as FhirModel.Resource, summaryType); | ||
} | ||
} | ||
else if (context.Object is ValidationProblemDetails validationProblems) | ||
{ | ||
FhirModel.OperationOutcome outcome = new FhirModel.OperationOutcome(); | ||
outcome.AddValidationProblems(context.HttpContext.GetResourceType(), (HttpStatusCode)context.HttpContext.Response.StatusCode, validationProblems); | ||
writeBodyString = serializer.SerializeToString(outcome, summaryType); | ||
} | ||
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if (!string.IsNullOrWhiteSpace(writeBodyString)) | ||
{ | ||
var writeBuffer = selectedEncoding.GetBytes(writeBodyString); | ||
await responseBody.WriteAsync(writeBuffer, 0, writeBuffer.Length); | ||
await responseBody.FlushAsync(); | ||
} | ||
} | ||
} | ||
} | ||
#endif |
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