103 lines
3.2 KiB
C#
103 lines
3.2 KiB
C#
#region License
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// Copyright (c) 2007 James Newton-King
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#endregion
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using Newtonsoft.Json.Linq;
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using System;
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using System.Collections.Generic;
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#if NET20
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using Newtonsoft.Json.Utilities.LinqBridge;
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#else
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using System.Linq;
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#endif
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using System.Text;
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#if DNXCORE50
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using Xunit;
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using Test = Xunit.FactAttribute;
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using Assert = Newtonsoft.Json.Tests.XUnitAssert;
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#else
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using NUnit.Framework;
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#endif
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namespace Newtonsoft.Json.Tests.Documentation.Samples.Linq
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{
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[TestFixture]
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public class QueryJsonSelectTokenWithLinq : TestFixtureBase
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{
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[Test]
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public void Example()
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{
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#region Usage
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JObject o = JObject.Parse(@"{
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'Stores': [
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'Lambton Quay',
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'Willis Street'
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],
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'Manufacturers': [
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{
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'Name': 'Acme Co',
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'Products': [
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{
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'Name': 'Anvil',
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'Price': 50
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}
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]
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},
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{
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'Name': 'Contoso',
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'Products': [
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{
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'Name': 'Elbow Grease',
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'Price': 99.95
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},
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{
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'Name': 'Headlight Fluid',
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'Price': 4
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}
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]
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}
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]
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}");
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string[] storeNames = o.SelectToken("Stores").Select(s => (string)s).ToArray();
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Console.WriteLine(string.Join(", ", storeNames));
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// Lambton Quay, Willis Street
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string[] firstProductNames = o["Manufacturers"].Select(m => (string)m.SelectToken("Products[1].Name"))
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.Where(n => n != null).ToArray();
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Console.WriteLine(string.Join(", ", firstProductNames));
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// Headlight Fluid
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decimal totalPrice = o["Manufacturers"].Sum(m => (decimal)m.SelectToken("Products[0].Price"));
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Console.WriteLine(totalPrice);
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// 149.95
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#endregion
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Assert.AreEqual(149.95m, totalPrice);
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}
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}
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} |