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refactor: Simplifying JSON converters

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This commit is contained in:
Chris Cameron
2019-01-25 13:57:41 -05:00
parent 488df297fc
commit 1be588b86a
3 changed files with 79 additions and 21 deletions
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41
ICD.Common.Utils/Extensions/JsonExtensions.cs
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@@ -69,6 +69,47 @@ namespace ICD.Common.Utils.Extensions
return serializer.Deserialize<T>(extends);
}
/// <summary>
/// Reads through the current object token and calls the callback for each property value.
/// </summary>
/// <param name="extends"></param>
/// <param name="serializer"></param>
/// <param name="readPropertyValue"></param>
public static void ReadObject(this JsonReader extends, JsonSerializer serializer,
Action<string, JsonReader, JsonSerializer> readPropertyValue)
{
if (extends == null)
throw new ArgumentNullException("extends");
if (serializer == null)
throw new ArgumentNullException("serializer");
if (readPropertyValue == null)
throw new ArgumentNullException("readPropertyValue");
if (extends.TokenType == JsonToken.Null)
return;
if (extends.TokenType != JsonToken.StartObject)
throw new FormatException(string.Format("Expected {0} got {1}", JsonToken.StartObject, extends.TokenType));
while (extends.Read())
{
if (extends.TokenType == JsonToken.EndObject)
break;
// Get the property
if (extends.TokenType != JsonToken.PropertyName)
continue;
string property = (string)extends.Value;
// Read into the value
extends.Read();
readPropertyValue(property, extends, serializer);
}
}
/// <summary>
/// Writes the type value.
/// </summary>

28
ICD.Common.Utils/Json/AbstractGenericJsonConverter.cs
View File

@@ -1,5 +1,6 @@
using System;
using ICD.Common.Properties;
using ICD.Common.Utils.Extensions;
using Newtonsoft.Json;
namespace ICD.Common.Utils.Json
@@ -110,30 +111,15 @@ namespace ICD.Common.Utils.Json
if (serializer == null)
throw new ArgumentNullException("serializer");
T output = default(T);
bool instantiated = false;
if (reader.TokenType == JsonToken.Null)
return default(T);
while (reader.Read())
{
if (reader.TokenType == JsonToken.Null || reader.TokenType == JsonToken.EndObject)
break;
if (reader.TokenType != JsonToken.StartObject)
throw new FormatException(string.Format("Expected {0} got {1}", JsonToken.StartObject, reader.TokenType));
if (!instantiated)
{
instantiated = true;
output = Instantiate();
}
T output = Instantiate();
// Get the property
if (reader.TokenType != JsonToken.PropertyName)
continue;
string property = (string)reader.Value;
// Read into the value
reader.Read();
ReadProperty(property, reader, output, serializer);
}
reader.ReadObject(serializer, (p, r, s) => ReadProperty(p, r, output, s));
return output;
}