Extension methods to flatten or unflatten a JSON.NET JObject to or from an IDictionary<string, object>.
https://dotnetfiddle.net/jYghhm
This:
{
"$id": "https://example.com/arrays.schema.json",
"$schema": "http://json-schema.org/draft-07/schema#",
"description": "A representation of a person, company, organization, or place",
"type": "object",
"properties": {
"fruits": {
"type": "array",
"items": {
"type": "string"
}
},
"vegetables": {
"type": "array",
"items": { "$ref": "#/definitions/veggie" }
}
},
"definitions": {
"veggie": {
"type": "object",
"required": [ "veggieName", "veggieLike" ],
"properties": {
"veggieName": {
"type": "string",
"description": "The name of the vegetable."
},
"veggieLike": {
"type": "boolean",
"description": "Do I like this vegetable?"
}
}
}
}
}Becomes this:
{
"$id": "https://example.com/arrays.schema.json",
"$schema": "http://json-schema.org/draft-07/schema#",
"description": "A representation of a person, company, organization, or place",
"type": "object",
"properties.fruits.type": "array",
"properties.fruits.items.type": "string",
"properties.vegetables.type": "array",
"properties.vegetables.items.$ref": "#/definitions/veggie",
"definitions.veggie.type": "object",
"definitions.veggie.required[0]": "veggieName",
"definitions.veggie.required[1]": "veggieLike",
"definitions.veggie.properties.veggieName.type": "string",
"definitions.veggie.properties.veggieName.description": "The name of the vegetable.",
"definitions.veggie.properties.veggieLike.type": "boolean",
"definitions.veggie.properties.veggieLike.description": "Do I like this vegetable?"
}using System;
using System.Collections.Generic;
using JsonFlatten;
using Newtonsoft.Json.Linq;
public class Program
{
public static void Main()
{
var json = @"{ 'array': [ 1, 2, 3 ], 'boolean': true, 'null': null, 'number': 123, 'object': { 'a': 'b', 'c': 'd', 'e': 'f' }, 'date': '2014-01-01T23:28:56.782Z', 'string': 'Hello World', 'emptyString': '', 'emptyObject': {}, 'emptyArray': [] }";
JObject jObj = JObject.Parse(json);
// Flatten a JObject to a dictionary.
var flattened = jObj.Flatten();
// or Dictionary<string, object> flattened = new Dictionary<string, object>(jObj.Flatten());
// Retrieve and cast an item from the dictionary
var date = flattened.Get<DateTime>("date"); // 1/1/2014 11:28:56 PM
// Unflatten a dictionary to a JObject
JObject unflattened = flattened.Unflatten();
JToken.DeepEquals(jObj, unflattened); // True
// Update an entry
flattened.Set("date", date.AddDays(5));
// Try get logic for properties
flattened.TryGet<DateTime>("date", out var updatedDate); // updatedDate: 1/6/2014 11:28:56 PM
// Flatten a JObject and exclude any properties that are null or empty e.g. have the value null, "", {}, or []
var flattenedWithoutEmpty = jObj.Flatten(includeNullAndEmptyValues: false);
}
}
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