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TypedPropertiesDictionaryConverter.cs
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TypedPropertiesDictionaryConverter.cs
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// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Collections;
using System.Diagnostics;
using System.Linq;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Linq;
namespace Microsoft.CodeAnalysis.Sarif
{
public class TypedPropertiesDictionaryConverter : JsonConverter
{
public TypedPropertiesDictionaryConverter()
{
_versionConverter = new VersionConverter();
}
private readonly VersionConverter _versionConverter;
public override bool CanConvert(Type objectType)
{
return objectType == typeof(StringSet) ||
objectType == typeof(IntegerSet) ||
objectType == typeof(PropertiesDictionary) ||
objectType == typeof(IDictionary);
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
JArray ja;
if (objectType == typeof(StringSet))
{
ja = JArray.Load(reader);
return new StringSet(ja.Values().Select(token => token.ToString()));
}
else if (objectType == typeof(IntegerSet))
{
ja = JArray.Load(reader);
return new IntegerSet(ja.Values().Select(token => int.Parse(token.ToString())));
}
else if (objectType == typeof(FailureLevelSet))
{
ja = JArray.Load(reader);
return new StringSet(ja.Values().Select(token => token.ToString()));
}
else if (objectType == typeof(ResultKindSet))
{
ja = JArray.Load(reader);
return new IntegerSet(ja.Values().Select(token => int.Parse(token.ToString())));
}
else if (objectType == typeof(RuleKindSet))
{
ja = JArray.Load(reader);
return new IntegerSet(ja.Values().Select(token => int.Parse(token.ToString())));
}
else if (objectType == typeof(Version))
{
return JsonConvert.DeserializeObject<Version>(reader.ReadAsString(), _versionConverter);
}
JObject jo = JObject.Load(reader);
var result = new PropertiesDictionary();
foreach (JProperty property in jo.Properties())
{
string key = property.Name;
JToken token = property.Value;
switch (property.Value.Type)
{
case JTokenType.String:
{
result[key] = token.ToObject<string>(serializer);
break;
}
case JTokenType.Integer:
{
result[key] = token.ToObject<int>(serializer);
break;
}
case JTokenType.Boolean:
{
result[key] = token.ToObject<bool>(serializer);
break;
}
case JTokenType.Object:
{
result[key] = token.ToObject<PropertiesDictionary>(serializer);
break;
}
case JTokenType.Array:
{
ja = (JArray)property.Value;
if (ja.Children().First().Type == JTokenType.Integer)
{
result[key] = token.ToObject<IntegerSet>(serializer);
}
else
{
Debug.Assert(ja.Children().First().Type == JTokenType.String);
result[key] = token.ToObject<StringSet>(serializer);
}
break;
}
}
}
return result;
}
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
JArray ja;
if (value is StringSet stringSet)
{
ja = new JArray(stringSet.Select(i => new JValue(i)));
ja.WriteTo(writer);
}
else if (value is IntegerSet integerSet)
{
ja = new JArray(integerSet.Select(i => new JValue(i)));
ja.WriteTo(writer);
}
else if (value is FailureLevelSet failureLevelSet)
{
ja = new JArray(failureLevelSet.Select(i => new JValue(i)));
ja.WriteTo(writer);
}
else if (value is ResultKindSet resultKindSet)
{
ja = new JArray(resultKindSet.Select(i => new JValue(i)));
ja.WriteTo(writer);
}
else if (value is RuleKindSet ruleKindSet)
{
ja = new JArray(ruleKindSet.Select(i => new JValue(i)));
ja.WriteTo(writer);
}
else
{
var dictionary = (IDictionary)value;
writer.WriteStartObject();
foreach (string key in dictionary.Keys)
{
writer.WritePropertyName(key);
object dictionaryValue = dictionary[key];
if (dictionaryValue is IDictionary ||
dictionaryValue is IntegerSet ||
dictionaryValue is StringSet)
{
WriteJson(writer, dictionaryValue, serializer);
}
else if (dictionaryValue is Version)
{
serializer.Serialize(writer, dictionaryValue.ToString());
}
else
{
serializer.Serialize(writer, dictionaryValue);
}
}
writer.WriteEndObject();
}
}
}
}