/
DictionaryResponseBase.cs
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/
DictionaryResponseBase.cs
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/* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*
* Licensed to Elasticsearch B.V. under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch B.V. licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
using System;
using System.Collections.Generic;
using System.Runtime.Serialization;
using OpenSearch.Net;
using OpenSearch.Net.Utf8Json;
using OpenSearch.Net.Utf8Json.Internal;
namespace OpenSearch.Client
{
public interface IDictionaryResponse<TKey, TValue> : IResponse
{
IReadOnlyDictionary<TKey, TValue> BackingDictionary { get; set; }
}
public abstract class DictionaryResponseBase<TKey, TValue> : ResponseBase, IDictionaryResponse<TKey, TValue>
{
[IgnoreDataMember]
protected IDictionaryResponse<TKey, TValue> Self => this;
IReadOnlyDictionary<TKey, TValue> IDictionaryResponse<TKey, TValue>.BackingDictionary { get; set; } =
EmptyReadOnly<TKey, TValue>.Dictionary;
}
internal class ResponseFormatterHelpers
{
internal static readonly AutomataDictionary ServerErrorFields = new AutomataDictionary
{
{ "error", 0 },
{ "status", 1 }
};
}
internal class DictionaryResponseFormatter<TResponse, TKey, TValue> : IJsonFormatter<TResponse>
where TResponse : ResponseBase, IDictionaryResponse<TKey, TValue>, new()
{
public TResponse Deserialize(ref JsonReader reader, IJsonFormatterResolver formatterResolver)
{
var response = new TResponse();
var keyFormatter = formatterResolver.GetFormatter<TKey>();
var valueFormatter = formatterResolver.GetFormatter<TValue>();
var dictionary = new Dictionary<TKey, TValue>();
var count = 0;
while (reader.ReadIsInObject(ref count))
{
var property = reader.ReadPropertyNameSegmentRaw();
if (ResponseFormatterHelpers.ServerErrorFields.TryGetValue(property, out var errorValue))
{
switch (errorValue)
{
case 0:
if (reader.GetCurrentJsonToken() == JsonToken.String)
response.Error = new Error { Reason = reader.ReadString() };
else
{
var formatter = formatterResolver.GetFormatter<Error>();
response.Error = formatter.Deserialize(ref reader, formatterResolver);
}
break;
case 1:
if (reader.GetCurrentJsonToken() == JsonToken.Number)
response.StatusCode = reader.ReadInt32();
else
reader.ReadNextBlock();
break;
}
}
else
{
// include opening string quote in reader (offset - 1)
var propertyReader = new JsonReader(property.Array, property.Offset - 1);
var key = keyFormatter.Deserialize(ref propertyReader, formatterResolver);
var value = valueFormatter.Deserialize(ref reader, formatterResolver);
dictionary.Add(key, value);
}
}
response.BackingDictionary = dictionary;
return response;
}
public void Serialize(ref JsonWriter writer, TResponse value, IJsonFormatterResolver formatterResolver) => throw new NotSupportedException();
}
}