public override void Write(
System.Text.Json.Utf8JsonWriter writer,
ElmTestRsReportJsonEntryFailureReasonData value,
System.Text.Json.JsonSerializerOptions options)
{
throw new System.NotImplementedException();
}
/// <summary>
/// Executes the result operation of the action method asynchronously. This method is called by the Controller to process the result of an action method.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override async Task ExecuteResultAsync(ActionContext context)
{
_context = context ?? throw new ArgumentNullException(nameof(context));
DisableBuffering();
if (StatusCode.HasValue)
{
context.HttpContext.Response.StatusCode = StatusCode.Value;
}
if (!string.IsNullOrWhiteSpace(ContentType))
{
context.HttpContext.Response.ContentType = ContentType;
}
StreamToWrite = _context.HttpContext.Response.Body;
if (writter == null)
{
writter = new System.Text.Json.Utf8JsonWriter(StreamToWrite, JsonWriterOptions);
}
readyTaskCompletionSource.SetResult(true);
await completeTaskCompletionSource.Task;
}
public void ForceReady()
{
if (writter == null)
{
writter = new System.Text.Json.Utf8JsonWriter(StreamToWrite, JsonWriterOptions);
}
readyTaskCompletionSource.TrySetResult(true);
}
public static async Task WriteToStream(Stream StreamToWrite, DataSet DS, CancellationToken cancellationToken, JsonWriterOptions JsonWriterOptions)
{
using (System.Text.Json.Utf8JsonWriter writter = new System.Text.Json.Utf8JsonWriter(StreamToWrite, JsonWriterOptions))
{
writter.WriteStartObject();
writter.WriteStartArray("Tables");
if (DS.Tables.Count > 0)
{
foreach (DataTable table in DS.Tables)
{
writter.WriteStartObject();
writter.WriteString("TableName", table.TableName);
writter.WriteStartArray("Columns");
foreach (DataColumn column in table.Columns)
{
writter.WriteStartArray();
JsonSerializer.Serialize(writter, column.ColumnName);
JsonSerializer.Serialize(writter, ColumnType(column));
writter.WriteEndArray();
}
writter.WriteEndArray();
writter.WriteStartArray("Rows");
await writter.FlushAsync(cancellationToken);
if (table.Rows.Count > 0)
{
foreach (DataRow row in table.Rows)
{
writter.WriteStartArray();
foreach (var item in row.ItemArray)
{
JsonSerializer.Serialize(writter, item);
}
writter.WriteEndArray();;
}
}
writter.WriteEndArray();
writter.WriteEndObject();
}
}
writter.WriteEndArray();
writter.WriteEndObject();
}
await StreamToWrite.FlushAsync();
}
public void ToJson(System.Text.Json.Utf8JsonWriter w)
{
w.WriteStartObject();
w.WriteString("id", Hid);
w.WriteString("description", Description);
w.WriteString("tag", Tag);
w.WriteString("avatar_url", AvatarUrl);
w.WriteString("created", Formats.TimestampExportFormat.Format(Created));
w.WriteString("tz", UiTz);
w.WriteEndObject();
}
public static void WriteErrorDetailsResponseJson(this HttpContext Context, ErrorDetails errorDetails)
{
Context.Response.ContentType = "application/json";
using Utf8JsonWriter writer = new System.Text.Json.Utf8JsonWriter(Context.Response.BodyWriter);
writer.WriteStartObject();
foreach (var item in errorDetails.GetType().GetProperties())
{
writer.WritePropertyName(item.Name);
if (item.PropertyType == typeof(int))
{
writer.WriteNumberValue((int)item.GetValue(errorDetails));
}
else if (item.PropertyType == typeof(string))
{
writer.WriteStringValue(item.GetValue(errorDetails).ToString());
}
}
writer.WriteEndObject();
writer.Flush();
}
public string Serialize(MeetingModelRegular value)
{
var options = new JsonWriterOptions
{
Indented = true
};
using (var stream = new System.IO.MemoryStream())
{
using (var writer = new System.Text.Json.Utf8JsonWriter(stream, options))
{
writer.WriteStartObject();
writer.WriteString("MeetingType", MeetingType);
writer.WriteString("ID", ID);
writer.WriteString("DayOfMeeting", DayOfMeeting);
writer.WriteString("Toastmaster", Toastmaster);
writer.WriteString("Speaker1", Speaker1);
writer.WriteString("Speaker2", Speaker2);
writer.WriteString("GeneralEvaluator", GeneralEvaluator);
writer.WriteString("Evaluator1", Evaluator1);
writer.WriteString("Evaluator2", Evaluator2);
writer.WriteString("TableTopics", TableTopics);
writer.WriteString("AhCounter", AhCounter);
writer.WriteString("Grammarian", Grammarian);
writer.WriteString("Timer", Timer);
writer.WriteString("QuizMaster", QuizMaster);
writer.WriteString("Video", Video);
writer.WriteString("HotSeat", HotSeat);
writer.WriteString("Attendees", Attendees?.ToString());
writer.WriteString("Resolved", Resolved);
writer.WriteEndObject();
}
return(Encoding.UTF8.GetString(stream.ToArray()));
}
// return JsonSerializer.ToString<MeetingModelRegular>(value, options);
}
protected virtual void OnWriteDictionary(ref WriteStackFrame current, Utf8JsonWriter writer)
{
}
private static bool WriteCore <TValue>(
JsonConverter jsonConverter,
Utf8JsonWriter writer,
in TValue value,
private static bool HandleEnumerable(
JsonClassInfo elementClassInfo,
JsonSerializerOptions options,
Utf8JsonWriter writer,
ref WriteStack state)
{
Debug.Assert(state.Current.JsonPropertyInfo !.ClassType == ClassType.Enumerable);
if (state.Current.CollectionEnumerator == null)
{
IEnumerable?enumerable = (IEnumerable?)state.Current.JsonPropertyInfo.GetValueAsObject(state.Current.CurrentValue);
if (enumerable == null)
{
// If applicable, we only want to ignore object properties.
if (state.Current.JsonClassInfo !.ClassType != ClassType.Object ||
!state.Current.JsonPropertyInfo.IgnoreNullValues)
{
// Write a null object or enumerable.
state.Current.WriteObjectOrArrayStart(ClassType.Enumerable, writer, options, writeNull: true);
}
if (state.Current.PopStackOnEndCollection)
{
state.Pop();
}
return(true);
}
if (options.ReferenceHandling.ShouldWritePreservedReferences())
{
if (WriteReference(ref state, writer, options, ClassType.Enumerable, enumerable))
{
return(WriteEndArray(ref state));
}
}
else
{
state.Current.WriteObjectOrArrayStart(ClassType.Enumerable, writer, options);
}
state.Current.CollectionEnumerator = enumerable.GetEnumerator();
}
if (state.Current.CollectionEnumerator.MoveNext())
{
// Check for polymorphism.
if (elementClassInfo.ClassType == ClassType.Unknown)
{
object?currentValue = state.Current.CollectionEnumerator.Current;
GetRuntimeClassInfo(currentValue, ref elementClassInfo, options);
}
if (elementClassInfo.ClassType == ClassType.Value)
{
elementClassInfo.PolicyProperty !.WriteEnumerable(ref state, writer);
}
else if (state.Current.CollectionEnumerator.Current == null)
{
// Write a null object or enumerable.
writer.WriteNullValue();
}
else
{
// An object or another enumerator requires a new stack frame.
object nextValue = state.Current.CollectionEnumerator.Current;
state.Push(elementClassInfo, nextValue);
}
return(false);
}
// We are done enumerating.
writer.WriteEndArray();
// Used for ReferenceHandling.Preserve
if (state.Current.WriteWrappingBraceOnEndPreservedArray)
{
writer.WriteEndObject();
}
return(WriteEndArray(ref state));
}
private static async Task WriteStreamAsync <TValue>(
Stream utf8Json,
TValue value,
JsonTypeInfo jsonTypeInfo,
CancellationToken cancellationToken)
{
JsonSerializerOptions options = jsonTypeInfo.Options;
JsonWriterOptions writerOptions = options.GetWriterOptions();
using (var bufferWriter = new PooledByteBufferWriter(options.DefaultBufferSize))
using (var writer = new Utf8JsonWriter(bufferWriter, writerOptions))
{
WriteStack state = new WriteStack {
CancellationToken = cancellationToken
};
JsonConverter converter = state.Initialize(jsonTypeInfo, supportContinuation: true);
bool isFinalBlock;
try
{
do
{
state.FlushThreshold = (int)(bufferWriter.Capacity * FlushThreshold);
try
{
isFinalBlock = WriteCore(converter, writer, value, options, ref state);
if (state.SuppressFlush)
{
Debug.Assert(!isFinalBlock);
Debug.Assert(state.PendingTask is not null);
state.SuppressFlush = false;
}
else
{
await bufferWriter.WriteToStreamAsync(utf8Json, cancellationToken).ConfigureAwait(false);
bufferWriter.Clear();
}
}
finally
{
// Await any pending resumable converter tasks (currently these can only be IAsyncEnumerator.MoveNextAsync() tasks).
// Note that pending tasks are always awaited, even if an exception has been thrown or the cancellation token has fired.
if (state.PendingTask is not null)
{
try
{
await state.PendingTask.ConfigureAwait(false);
}
catch
{
// Exceptions should only be propagated by the resuming converter
// TODO https://github.com/dotnet/runtime/issues/22144
}
}
// Dispose any pending async disposables (currently these can only be completed IAsyncEnumerators).
if (state.CompletedAsyncDisposables?.Count > 0)
{
await state.DisposeCompletedAsyncDisposables().ConfigureAwait(false);
}
}
} while (!isFinalBlock);
}
catch
{
// On exception, walk the WriteStack for any orphaned disposables and try to dispose them.
await state.DisposePendingDisposablesOnExceptionAsync().ConfigureAwait(false);
throw;
}
}
}
private static async Task Execute(string sql, HttpContext context)
{
context.Response.Headers.Add("Content-Type", "application/json");
var koraliumService = context.RequestServices.GetService <IKoraliumTransportService>();
var logger = context.RequestServices.GetService <ILogger <IKoraliumTransportService> >();
QueryResult result = null;
try
{
result = await koraliumService.Execute(sql, new Shared.SqlParameters(), context);
}
catch (SqlErrorException error)
{
logger.LogWarning(error.Message);
await WriteError(context, 400, error.Message);
return;
}
catch (AuthorizationFailedException authFailed)
{
logger.LogWarning(authFailed.Message, authFailed);
await WriteError(context, 401, authFailed.Message);
return;
}
catch (Exception e)
{
logger.LogError(e, "Unexpected exception thrown");
await WriteError(context, 500, "Internal error");
return;
}
var responseStream = new System.Text.Json.Utf8JsonWriter(context.Response.Body);
IJsonEncoder[] encoders = new IJsonEncoder[result.Columns.Count];
JsonEncodedText[] names = new JsonEncodedText[result.Columns.Count];
for (int i = 0; i < encoders.Length; i++)
{
encoders[i] = EncoderHelper.GetEncoder(result.Columns[i]);
names[i] = JsonEncodedText.Encode(result.Columns[i].Name);
}
System.Diagnostics.Stopwatch encodingWatch = new System.Diagnostics.Stopwatch();
encodingWatch.Start();
responseStream.WriteStartObject();
responseStream.WriteStartArray(_valuesText);
foreach (var row in result.Result)
{
responseStream.WriteStartObject();
for (int i = 0; i < encoders.Length; i++)
{
responseStream.WritePropertyName(names[i]);
encoders[i].Encode(in responseStream, in row);
}
responseStream.WriteEndObject();
}
responseStream.WriteEndArray();
responseStream.WriteEndObject();
encodingWatch.Stop();
await responseStream.FlushAsync();
}
public abstract bool GetMemberAndWriteJsonExtensionData(object obj, ref WriteStack state, Utf8JsonWriter writer);
private static bool HandleDictionary(
JsonClassInfo elementClassInfo,
JsonSerializerOptions options,
Utf8JsonWriter writer,
ref WriteStack state)
{
JsonPropertyInfo jsonPropertyInfo = state.Current.JsonPropertyInfo;
if (state.Current.CollectionEnumerator == null)
{
IEnumerable enumerable;
enumerable = (IEnumerable)jsonPropertyInfo.GetValueAsObject(state.Current.CurrentValue);
if (enumerable == null)
{
if (!state.Current.JsonPropertyInfo.IgnoreNullValues)
{
// Write a null object or enumerable.
state.Current.WriteObjectOrArrayStart(ClassType.Enumerable, writer, writeNull: true);
}
return(true);
}
if (enumerable is IDictionary dictionary)
{
state.Current.CollectionEnumerator = dictionary.GetEnumerator();
}
else
{
state.Current.CollectionEnumerator = enumerable.GetEnumerator();
}
if (state.Current.ExtensionDataStatus != ExtensionDataWriteStatus.Writing)
{
state.Current.WriteObjectOrArrayStart(ClassType.Dictionary, writer);
}
}
if (state.Current.CollectionEnumerator.MoveNext())
{
// Check for polymorphism.
if (elementClassInfo.ClassType == ClassType.Unknown)
{
object currentValue = ((IDictionaryEnumerator)state.Current.CollectionEnumerator).Entry.Value;
GetRuntimeClassInfo(currentValue, ref elementClassInfo, options);
}
if (elementClassInfo.ClassType == ClassType.Value)
{
elementClassInfo.PolicyProperty.WriteDictionary(ref state, writer);
}
else if (state.Current.CollectionEnumerator.Current == null)
{
writer.WriteNull(jsonPropertyInfo.Name);
}
else
{
// An object or another enumerator requires a new stack frame.
var enumerator = (IDictionaryEnumerator)state.Current.CollectionEnumerator;
object value = enumerator.Value;
state.Push(elementClassInfo, value);
state.Current.KeyName = (string)enumerator.Key;
}
return(false);
}
// We are done enumerating.
if (state.Current.ExtensionDataStatus == ExtensionDataWriteStatus.Writing)
{
state.Current.ExtensionDataStatus = ExtensionDataWriteStatus.Finished;
}
else
{
writer.WriteEndObject();
}
if (state.Current.PopStackOnEndCollection)
{
state.Pop();
}
else
{
state.Current.EndDictionary();
}
return(true);
}
private static void Serialize <TValue>(Utf8JsonWriter writer, in TValue value, Type runtimeType, JsonSerializerOptions?options)
private static bool HandleEnumerable(
JsonClassInfo elementClassInfo,
JsonSerializerOptions options,
Utf8JsonWriter writer,
ref WriteStack state)
{
Debug.Assert(state.Current.JsonPropertyInfo.ClassType == ClassType.Enumerable);
if (state.Current.Enumerator == null)
{
IEnumerable enumerable = (IEnumerable)state.Current.JsonPropertyInfo.GetValueAsObject(state.Current.CurrentValue);
if (enumerable == null)
{
if (!state.Current.JsonPropertyInfo.IgnoreNullValues)
{
// Write a null object or enumerable.
state.Current.WriteObjectOrArrayStart(ClassType.Enumerable, writer, writeNull: true);
}
return(true);
}
state.Current.Enumerator = enumerable.GetEnumerator();
state.Current.WriteObjectOrArrayStart(ClassType.Enumerable, writer);
}
if (state.Current.Enumerator.MoveNext())
{
// Check for polymorphism.
if (elementClassInfo.ClassType == ClassType.Unknown)
{
object currentValue = state.Current.Enumerator.Current;
GetRuntimeClassInfo(currentValue, ref elementClassInfo, options);
}
if (elementClassInfo.ClassType == ClassType.Value)
{
elementClassInfo.GetPolicyProperty().WriteEnumerable(ref state.Current, writer);
}
else if (state.Current.Enumerator.Current == null)
{
// Write a null object or enumerable.
writer.WriteNullValue();
}
else
{
// An object or another enumerator requires a new stack frame.
object nextValue = state.Current.Enumerator.Current;
state.Push(elementClassInfo, nextValue);
}
return(false);
}
// We are done enumerating.
writer.WriteEndArray();
if (state.Current.PopStackOnEnd)
{
state.Pop();
}
else
{
state.Current.EndArray();
}
return(true);
}
protected override void OnWriteDictionary(ref WriteStackFrame current, Utf8JsonWriter writer)
{
JsonSerializer.WriteDictionary(Converter, Options, ref current, writer);
}
// There are three conditions to consider for an object (primitive value, enumerable or object) being processed here:
// 1) The object type was specified as the root-level return type to a Parse\Read method.
// 2) The object is property on a parent object.
// 3) The object is an element in an enumerable.
private static bool Write(
Utf8JsonWriter writer,
int originalWriterDepth,
int flushThreshold,
JsonSerializerOptions options,
ref WriteStack state)
{
bool finishedSerializing;
try
{
do
{
WriteStackFrame current = state.Current;
switch (current.JsonClassInfo.ClassType)
{
case ClassType.Enumerable:
finishedSerializing = HandleEnumerable(current.JsonClassInfo.ElementClassInfo, options, writer, ref state);
break;
case ClassType.Value:
Debug.Assert(current.JsonPropertyInfo.ClassType == ClassType.Value);
current.JsonPropertyInfo.Write(ref state, writer);
finishedSerializing = true;
break;
case ClassType.Object:
finishedSerializing = WriteObject(options, writer, ref state);
break;
case ClassType.Dictionary:
case ClassType.IDictionaryConstructible:
finishedSerializing = HandleDictionary(current.JsonClassInfo.ElementClassInfo, options, writer, ref state);
break;
default:
Debug.Assert(state.Current.JsonClassInfo.ClassType == ClassType.Unknown);
// Treat typeof(object) as an empty object.
finishedSerializing = WriteObject(options, writer, ref state);
break;
}
if (finishedSerializing)
{
if (writer.CurrentDepth == 0 || writer.CurrentDepth == originalWriterDepth)
{
break;
}
}
else if (writer.CurrentDepth >= options.EffectiveMaxDepth)
{
ThrowHelper.ThrowJsonException_DepthTooLarge(writer.CurrentDepth, state, options);
}
// If serialization is not yet end and we surpass beyond flush threshold return false and flush stream.
if (flushThreshold >= 0 && writer.BytesPending > flushThreshold)
{
return(false);
}
} while (true);
}
catch (InvalidOperationException ex) when(ex.Source == ThrowHelper.ExceptionSourceValueToRethrowAsJsonException)
{
ThrowHelper.ReThrowWithPath(state, ex);
}
catch (JsonException ex)
{
ThrowHelper.AddExceptionInformation(state, ex);
throw;
}
return(true);
}
public override void WriteDictionary(ref WriteStackFrame current, Utf8JsonWriter writer)
{
Debug.Assert(ShouldSerialize);
JsonSerializer.WriteDictionary(ValueConverter, Options, ref current, writer);
}
protected abstract void OnWriteEnumerable(ref WriteStackFrame current, Utf8JsonWriter writer);
private static bool HandleObject(
JsonPropertyInfo jsonPropertyInfo,
JsonSerializerOptions options,
Utf8JsonWriter writer,
ref WriteStack state)
{
Debug.Assert(
state.Current.JsonClassInfo.ClassType == ClassType.Object ||
state.Current.JsonClassInfo.ClassType == ClassType.Unknown);
if (!jsonPropertyInfo.ShouldSerialize)
{
state.Current.MoveToNextProperty = true;
return(true);
}
bool obtainedValue = false;
object currentValue = null;
// Check for polymorphism.
if (jsonPropertyInfo.ClassType == ClassType.Unknown)
{
currentValue = jsonPropertyInfo.GetValueAsObject(state.Current.CurrentValue);
obtainedValue = true;
GetRuntimePropertyInfo(currentValue, state.Current.JsonClassInfo, ref jsonPropertyInfo, options);
}
state.Current.JsonPropertyInfo = jsonPropertyInfo;
if (jsonPropertyInfo.ClassType == ClassType.Value)
{
jsonPropertyInfo.Write(ref state, writer);
state.Current.MoveToNextProperty = true;
return(true);
}
// A property that returns an enumerator keeps the same stack frame.
if (jsonPropertyInfo.ClassType == ClassType.Enumerable)
{
bool endOfEnumerable = HandleEnumerable(jsonPropertyInfo.ElementClassInfo, options, writer, ref state);
if (endOfEnumerable)
{
state.Current.MoveToNextProperty = true;
}
return(endOfEnumerable);
}
// A property that returns a dictionary keeps the same stack frame.
if (jsonPropertyInfo.ClassType == ClassType.Dictionary)
{
bool endOfEnumerable = HandleDictionary(jsonPropertyInfo.ElementClassInfo, options, writer, ref state);
if (endOfEnumerable)
{
state.Current.MoveToNextProperty = true;
}
return(endOfEnumerable);
}
// A property that returns a type that is deserialized by passing an
// IDictionary to its constructor keeps the same stack frame.
if (jsonPropertyInfo.ClassType == ClassType.IDictionaryConstructible)
{
state.Current.IsIDictionaryConstructibleProperty = true;
bool endOfEnumerable = HandleDictionary(jsonPropertyInfo.ElementClassInfo, options, writer, ref state);
if (endOfEnumerable)
{
state.Current.MoveToNextProperty = true;
}
return(endOfEnumerable);
}
// A property that returns an object.
if (!obtainedValue)
{
currentValue = jsonPropertyInfo.GetValueAsObject(state.Current.CurrentValue);
}
if (currentValue != null)
{
// A new stack frame is required.
JsonPropertyInfo previousPropertyInfo = state.Current.JsonPropertyInfo;
state.Current.MoveToNextProperty = true;
JsonClassInfo nextClassInfo = jsonPropertyInfo.RuntimeClassInfo;
state.Push(nextClassInfo, currentValue);
// Set the PropertyInfo so we can obtain the property name in order to write it.
state.Current.JsonPropertyInfo = previousPropertyInfo;
}
else
{
if (!jsonPropertyInfo.IgnoreNullValues)
{
writer.WriteNull(jsonPropertyInfo.EscapedName.Value);
}
state.Current.MoveToNextProperty = true;
}
return(true);
}
