feat: Added methods for serializing additional types, arrays and dictionaries to JSON

This commit is contained in:
Chris Cameron
2019-05-09 11:58:55 -04:00
parent 1460bf2924
commit 3fa089b85e
4 changed files with 339 additions and 123 deletions

View File

@@ -1,6 +1,4 @@
using System;
using System.Collections.Generic;
using System.Linq;
using ICD.Common.Properties;
using ICD.Common.Utils.Json;
using Newtonsoft.Json;
@@ -215,73 +213,5 @@ namespace ICD.Common.Utils.Extensions
string stringValue = extends.GetValueAsString();
return JsonUtils.ParseDateTime(stringValue);
}
/// <summary>
/// Deserializes an array of items from the reader's current value.
/// </summary>
/// <typeparam name="TItem"></typeparam>
/// <param name="extends"></param>
/// <param name="reader"></param>
public static IEnumerable<TItem> DeserializeArray<TItem>(this JsonSerializer extends, JsonReader reader)
{
if (extends == null)
throw new ArgumentNullException("extends");
if (reader == null)
throw new ArgumentNullException("reader");
return extends.DeserializeArray(reader, (s, r) => extends.Deserialize<TItem>(reader));
}
/// <summary>
/// Deserializes an array of items from the reader's current value.
/// </summary>
/// <typeparam name="TItem"></typeparam>
/// <param name="extends"></param>
/// <param name="reader"></param>
/// <param name="read"></param>
public static IEnumerable<TItem> DeserializeArray<TItem>(this JsonSerializer extends, JsonReader reader,
Func<JsonSerializer, JsonReader, TItem> read)
{
if (extends == null)
throw new ArgumentNullException("extends");
if (reader == null)
throw new ArgumentNullException("reader");
if (read == null)
throw new ArgumentNullException("read");
if (reader.TokenType == JsonToken.Null)
return Enumerable.Empty<TItem>();
if (reader.TokenType != JsonToken.StartArray)
throw new FormatException(string.Format("Expected token {0} got {1}", JsonToken.StartArray, reader.TokenType));
return DeserializeArrayIterator(extends, reader, read);
}
/// <summary>
/// Deserializes an array of items from the reader's current value.
/// </summary>
/// <typeparam name="TItem"></typeparam>
/// <param name="serializer"></param>
/// <param name="reader"></param>
/// <param name="read"></param>
private static IEnumerable<TItem> DeserializeArrayIterator<TItem>(JsonSerializer serializer, JsonReader reader,
Func<JsonSerializer, JsonReader, TItem> read)
{
// Step into the first value
reader.Read();
while (reader.TokenType != JsonToken.EndArray)
{
TItem output = read(serializer, reader);
yield return output;
// Read out of the last value
reader.Read();
}
}
}
}

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@@ -0,0 +1,295 @@
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using Newtonsoft.Json;
namespace ICD.Common.Utils.Extensions
{
public static class JsonSerializerExtensions
{
/// <summary>
/// Deserializes an array of items from the reader's current value.
/// </summary>
/// <typeparam name="TItem"></typeparam>
/// <param name="extends"></param>
/// <param name="reader"></param>
public static IEnumerable<TItem> DeserializeArray<TItem>(this JsonSerializer extends, JsonReader reader)
{
return extends.DeserializeArray(reader, (s, r) => extends.Deserialize<TItem>(reader));
}
/// <summary>
/// Deserializes an array of items from the reader's current value.
/// </summary>
/// <typeparam name="TItem"></typeparam>
/// <param name="extends"></param>
/// <param name="reader"></param>
/// <param name="read"></param>
public static IEnumerable<TItem> DeserializeArray<TItem>(this JsonSerializer extends, JsonReader reader,
Func<JsonSerializer, JsonReader, TItem> read)
{
if (extends == null)
throw new ArgumentNullException("extends");
if (reader == null)
throw new ArgumentNullException("reader");
if (read == null)
throw new ArgumentNullException("read");
if (reader.TokenType == JsonToken.Null)
return Enumerable.Empty<TItem>();
if (reader.TokenType != JsonToken.StartArray)
throw new FormatException(string.Format("Expected token {0} got {1}", JsonToken.StartArray, reader.TokenType));
// ToArray to ensure everything gets read before moving onto the next token
return DeserializeArrayIterator(extends, reader, read).ToArray();
}
/// <summary>
/// Deserializes an array of items from the reader's current value.
/// </summary>
/// <typeparam name="TItem"></typeparam>
/// <param name="serializer"></param>
/// <param name="reader"></param>
/// <param name="read"></param>
private static IEnumerable<TItem> DeserializeArrayIterator<TItem>(JsonSerializer serializer, JsonReader reader,
Func<JsonSerializer, JsonReader, TItem> read)
{
// Step into the first value
reader.Read();
while (reader.TokenType != JsonToken.EndArray)
{
TItem output = read(serializer, reader);
yield return output;
// Step out of the value
reader.Read();
}
}
/// <summary>
/// Deserializes a dictionary of items from the reader's current value.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="extends"></param>
/// <param name="reader"></param>
public static IEnumerable<KeyValuePair<TKey, TValue>> DeserializeDict<TKey, TValue>(this JsonSerializer extends,
JsonReader reader)
{
return extends.DeserializeDict<TKey, TValue>(reader, p => (TKey)Convert.ChangeType(p, typeof(TKey), CultureInfo.InvariantCulture));
}
/// <summary>
/// Deserializes a dictionary of items from the reader's current value.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="extends"></param>
/// <param name="reader"></param>
/// <param name="getKey"></param>
public static IEnumerable<KeyValuePair<TKey, TValue>> DeserializeDict<TKey, TValue>(this JsonSerializer extends,
JsonReader reader,
Func<string, TKey> getKey)
{
return extends.DeserializeDict(reader, getKey, (s, r) => extends.Deserialize<TValue>(reader));
}
/// <summary>
/// Deserializes a dictionary of items from the reader's current value.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="extends"></param>
/// <param name="reader"></param>
/// <param name="getKey"></param>
/// <param name="readValue"></param>
public static IEnumerable<KeyValuePair<TKey, TValue>> DeserializeDict<TKey, TValue>(this JsonSerializer extends,
JsonReader reader,
Func<string, TKey> getKey,
Func<JsonSerializer, JsonReader,
TValue> readValue)
{
if (extends == null)
throw new ArgumentNullException("extends");
if (reader == null)
throw new ArgumentNullException("reader");
if (getKey == null)
throw new ArgumentNullException("getKey");
if (readValue == null)
throw new ArgumentNullException("readValue");
if (reader.TokenType == JsonToken.Null)
return Enumerable.Empty<KeyValuePair<TKey, TValue>>();
if (reader.TokenType != JsonToken.StartObject)
throw new FormatException(string.Format("Expected token {0} got {1}", JsonToken.StartObject, reader.TokenType));
// ToArray to ensure everything gets read before moving onto the next token
return DeserializeDictIterator(extends, reader, getKey, readValue).ToArray();
}
/// <summary>
/// Deserializes a dictionary of items from the reader's current value.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="serializer"></param>
/// <param name="reader"></param>
/// <param name="getKey"></param>
/// <param name="readValue"></param>
private static IEnumerable<KeyValuePair<TKey, TValue>> DeserializeDictIterator<TKey, TValue>(
JsonSerializer serializer, JsonReader reader,
Func<string, TKey> getKey,
Func<JsonSerializer, JsonReader, TValue> readValue)
{
// Step into the first property
reader.Read();
while (reader.TokenType != JsonToken.EndObject)
{
if (reader.TokenType != JsonToken.PropertyName)
throw new FormatException();
TKey key = getKey((string)reader.Value);
// Step into the value
reader.Read();
TValue value = readValue(serializer, reader);
yield return new KeyValuePair<TKey, TValue>(key, value);
// Step out of the value
reader.Read();
}
}
/// <summary>
/// Serializes the given sequence of items to the writer.
/// </summary>
/// <typeparam name="TItem"></typeparam>
/// <param name="extends"></param>
/// <param name="writer"></param>
/// <param name="items"></param>
public static void SerializeArray<TItem>(this JsonSerializer extends, JsonWriter writer, IEnumerable<TItem> items)
{
extends.SerializeArray(writer, items, (s, w, item) => s.Serialize(w, item));
}
/// <summary>
/// Serializes the given sequence of items to the writer.
/// </summary>
/// <typeparam name="TItem"></typeparam>
/// <param name="extends"></param>
/// <param name="writer"></param>
/// <param name="items"></param>
/// <param name="write"></param>
public static void SerializeArray<TItem>(this JsonSerializer extends, JsonWriter writer, IEnumerable<TItem> items,
Action<JsonSerializer, JsonWriter, TItem> write)
{
if (extends == null)
throw new ArgumentNullException("extends");
if (writer == null)
throw new ArgumentNullException("writer");
if (write == null)
throw new ArgumentNullException("write");
if (items == null)
{
writer.WriteNull();
return;
}
writer.WriteStartArray();
{
foreach (TItem item in items)
write(extends, writer, item);
}
writer.WriteEndArray();
}
/// <summary>
/// Serializes the given sequence of items to the writer.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="extends"></param>
/// <param name="writer"></param>
/// <param name="items"></param>
public static void SerializeDict<TKey, TValue>(this JsonSerializer extends, JsonWriter writer,
IEnumerable<KeyValuePair<TKey, TValue>> items)
{
extends.SerializeDict(writer, items, k => k.ToString());
}
/// <summary>
/// Serializes the given sequence of items to the writer.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="extends"></param>
/// <param name="writer"></param>
/// <param name="items"></param>
/// <param name="getPropertyName"></param>
public static void SerializeDict<TKey, TValue>(this JsonSerializer extends, JsonWriter writer,
IEnumerable<KeyValuePair<TKey, TValue>> items,
Func<TKey, string> getPropertyName)
{
extends.SerializeDict(writer, items, getPropertyName, (s, w, v) => s.Serialize(w, v));
}
/// <summary>
/// Serializes the given sequence of items to the writer.
/// </summary>
/// <typeparam name="TKey"></typeparam>
/// <typeparam name="TValue"></typeparam>
/// <param name="extends"></param>
/// <param name="writer"></param>
/// <param name="items"></param>
/// <param name="getPropertyName"></param>
/// <param name="writeValue"></param>
public static void SerializeDict<TKey, TValue>(this JsonSerializer extends, JsonWriter writer,
IEnumerable<KeyValuePair<TKey, TValue>> items,
Func<TKey, string> getPropertyName,
Action<JsonSerializer, JsonWriter, TValue> writeValue)
{
if (extends == null)
throw new ArgumentNullException("extends");
if (writer == null)
throw new ArgumentNullException("writer");
if (getPropertyName == null)
throw new ArgumentNullException("getPropertyName");
if (writeValue == null)
throw new ArgumentNullException("writeValue");
if (items == null)
{
writer.WriteNull();
return;
}
writer.WriteStartObject();
{
foreach (KeyValuePair<TKey, TValue> kvp in items)
{
string propertyName = getPropertyName(kvp.Key);
writer.WritePropertyName(propertyName);
writeValue(extends, writer, kvp.Value);
}
}
writer.WriteEndObject();
}
}
}

View File

@@ -1,5 +1,4 @@
using System;
using System.Collections.Generic;
using ICD.Common.Properties;
using Newtonsoft.Json;
@@ -7,58 +6,6 @@ namespace ICD.Common.Utils.Extensions
{
public static class JsonWriterExtensions
{
/// <summary>
/// Serializes the given sequence of items to the writer.
/// </summary>
/// <typeparam name="TItem"></typeparam>
/// <param name="extends"></param>
/// <param name="writer"></param>
/// <param name="items"></param>
public static void SerializeArray<TItem>(this JsonSerializer extends, JsonWriter writer, IEnumerable<TItem> items)
{
if (extends == null)
throw new ArgumentNullException("extends");
if (writer == null)
throw new ArgumentNullException("writer");
if (items == null)
throw new ArgumentNullException("items");
extends.SerializeArray(writer, items, (s, w, item) => s.Serialize(w, item));
}
/// <summary>
/// Serializes the given sequence of items to the writer.
/// </summary>
/// <typeparam name="TItem"></typeparam>
/// <param name="extends"></param>
/// <param name="writer"></param>
/// <param name="items"></param>
/// <param name="write"></param>
public static void SerializeArray<TItem>(this JsonSerializer extends, JsonWriter writer, IEnumerable<TItem> items,
Action<JsonSerializer, JsonWriter, TItem> write)
{
if (extends == null)
throw new ArgumentNullException("extends");
if (writer == null)
throw new ArgumentNullException("writer");
if (items == null)
throw new ArgumentNullException("items");
if (write == null)
throw new ArgumentNullException("write");
writer.WriteStartArray();
{
foreach (TItem item in items)
write(extends, writer, item);
}
writer.WriteEndArray();
}
/// <summary>
/// Writes the type value.
/// </summary>
@@ -80,6 +27,19 @@ namespace ICD.Common.Utils.Extensions
extends.WriteValue(name);
}
/// <summary>
/// Writes a Type value.
/// </summary>
/// <param name="extends"></param>
/// <param name="value"></param>
public static void WriteValue(this JsonWriter extends, Type value)
{
if (extends == null)
throw new ArgumentNullException("extends");
extends.WriteType(value);
}
/// <summary>
/// Writes the property name and value to the writer.
/// </summary>
@@ -154,5 +114,35 @@ namespace ICD.Common.Utils.Extensions
extends.WritePropertyName(propertyName);
extends.WriteValue(value);
}
/// <summary>
/// Writes the property name and value to the writer.
/// </summary>
/// <param name="extends"></param>
/// <param name="propertyName"></param>
/// <param name="value"></param>
public static void WriteProperty(this JsonWriter extends, string propertyName, Guid value)
{
if (extends == null)
throw new ArgumentNullException("extends");
extends.WritePropertyName(propertyName);
extends.WriteValue(value);
}
/// <summary>
/// Writes the property name and value to the writer.
/// </summary>
/// <param name="extends"></param>
/// <param name="propertyName"></param>
/// <param name="value"></param>
public static void WriteProperty(this JsonWriter extends, string propertyName, Type value)
{
if (extends == null)
throw new ArgumentNullException("extends");
extends.WritePropertyName(propertyName);
extends.WriteValue(value);
}
}
}

View File

@@ -105,6 +105,7 @@
<Compile Include="Extensions\BoolExtensions.cs" />
<Compile Include="Extensions\ByteExtensions.cs" />
<Compile Include="Extensions\DayOfWeekExtensions.cs" />
<Compile Include="Extensions\JsonSerializerExtensions.cs" />
<Compile Include="Extensions\JsonWriterExtensions.cs" />
<Compile Include="Extensions\ListExtensions.cs" />
<Compile Include="Comparers\PredicateEqualityComparer.cs" />