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NBi
NBi.Core.DataSerialization.Flattening.Json
JsonPathEngine

How to use JsonPathEngine class of NBi.Core.DataSerialization.Flattening.Json package

Best NBi code snippet using NBi.Core.DataSerialization.Flattening.Json.JsonPathEngine

JsonPathEngineTest.cs

Source:JsonPathEngineTest.cs

...11using System.Threading.Tasks;12using System.Xml.Linq;13namespace NBi.Testing.Core.DataSerialization.Flattenizer14{15    public class JsonPathEngineTest16    {17        protected StreamReader GetResourceReader(string filename)18        {19            // A Stream is needed to read the XML document.20            var stream = Assembly.GetExecutingAssembly()21                                           .GetManifestResourceStream($"{GetType().Namespace}.Resources.{filename}.json");22            var reader = new StreamReader(stream);23            return reader;24        }25        [Test]26        [TestCase("$.PurchaseOrders[*].Items[*]", 5)]27        [TestCase("$.PurchaseOrders[*]", 4)]28        public void Execute_Example_RowCount(string from, int rowCount)29        {30            var selects = new List<ElementSelect>()31            {32                new ElementSelect(new LiteralScalarResolver<string>("$"))33            };34            using (var reader = GetResourceReader("PurchaseOrders"))35            {36                var engine = new JsonPathEngine(new LiteralScalarResolver<string>(from), selects);37                var result = engine.Execute(reader);38                Assert.That(result.Count, Is.EqualTo(rowCount));39            }40        }41        [Test]42        public void Execute_Example_FirstColumnIsCorrect()43        {44            var from = "$.PurchaseOrders[*].Items[*]";45            var selects = new List<ElementSelect>()46            {47                new ElementSelect(new LiteralScalarResolver<string>("PartNumber"))48            };49            using (var reader = GetResourceReader("PurchaseOrders"))50            {51                var engine = new JsonPathEngine(new LiteralScalarResolver<string>(from), selects);52                var result = engine.Execute(reader);53                Assert.That(result.Count, Is.EqualTo(5));54                Assert.That(result.Select(x => ((x as IEnumerable<object>).ElementAt(0) as string).Length), Is.All.EqualTo(6)); //Format is 123-XY55            }56        }57        [Test]58        public void Execute_Example_AllColumnsAreCorrect()59        {60            var from = "$.PurchaseOrders[*].Items[*]";61            var selects = new List<ElementSelect>()62            {63                new ElementSelect(new LiteralScalarResolver<string>("PartNumber")),64                new ElementSelect(new LiteralScalarResolver<string>("Quantity"))65            };66            using (var reader = GetResourceReader("PurchaseOrders"))67            {68                var engine = new JsonPathEngine(new LiteralScalarResolver<string>(from), selects);69                var result = engine.Execute(reader);70                Assert.That(result.Count, Is.EqualTo(5));71                Assert.That(result.Count, Is.EqualTo(5));72                Assert.That(result.Select(x => ((x as IEnumerable<object>).ElementAt(0) as string).Length), Is.All.EqualTo(6)); //Format is 123-XY73                Assert.That(result.Select(x => (x as IEnumerable<object>).ElementAt(1)), Is.All.EqualTo(1).Or.EqualTo(2)); //All quantity are between 1 and 274            }75        }76        [Test]77        public void Execute_FromElement_ValueCorrect()78        {79            var from = "$.PurchaseOrders[*].Items[*].ProductName";80            var selects = new List<ElementSelect>()81            {82                new ElementSelect(new LiteralScalarResolver<string>("$"))83            };84            using (var reader = GetResourceReader("PurchaseOrders"))85            {86                var engine = new JsonPathEngine(new LiteralScalarResolver<string>(from), selects);87                var result = engine.Execute(reader);88                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("Lawnmower"));89            }90        }91        [Test]92        public void Execute_FromAttribute_ValueCorrect()93        {94            var from = "$.PurchaseOrders[*].Items[*]";95            var selects = new List<ElementSelect>()96            {97                new ElementSelect(new LiteralScalarResolver<string>("$.PartNumber"))98            };99            using (var reader = GetResourceReader("PurchaseOrders"))100            {101                var engine = new JsonPathEngine(new LiteralScalarResolver<string>(from), selects);102                var result = engine.Execute(reader);103                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("872-AA"));104            }105        }106        [Test]107        public void Execute_MissingElement_Null()108        {109            var from = "$.PurchaseOrders[*]";110            var selects = new List<ElementSelect>()111            {112                new ElementSelect(new LiteralScalarResolver<string>("$.PurchaseOrderNumber"))113            };114            using (var reader = GetResourceReader("PurchaseOrders"))115            {116                var engine = new JsonPathEngine(new LiteralScalarResolver<string>(from), selects);117                var result = engine.Execute(reader);118                Assert.That((result.ElementAt(3) as IEnumerable<object>).ElementAt(0), Is.EqualTo("(null)"));119            }120        }121        [Test]122        public void Execute_ParentElement_ValueCorrect()123        {124            var from = "$.PurchaseOrders[*].Items[*]";125            var selects = new List<ElementSelect>()126            {127                new ElementSelect(new LiteralScalarResolver<string>("!!.PurchaseOrderNumber")),128                new ElementSelect(new LiteralScalarResolver<string>("$.PartNumber"))129            };130            using (var reader = GetResourceReader("PurchaseOrders"))131            {132                var engine = new JsonPathEngine(new LiteralScalarResolver<string>(from), selects);133                var result = engine.Execute(reader);134                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Does.Contain("99503"));135                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(1), Does.Contain("872-AA"));136                Assert.That((result.ElementAt(1) as IEnumerable<object>).ElementAt(0), Does.Contain("99503"));137                Assert.That((result.ElementAt(1) as IEnumerable<object>).ElementAt(1), Does.Contain("926-AA"));138                Assert.That((result.ElementAt(2) as IEnumerable<object>).ElementAt(0), Does.Contain("99505"));139                Assert.That((result.ElementAt(2) as IEnumerable<object>).ElementAt(1), Does.Contain("456-NM"));140            }141        }142        [Test]143        public void Execute_ParentElementGoingAboveRoot_ValueCorrect()144        {145            var from = "$.PurchaseOrders[*].Items[*]";146            var selects = new List<ElementSelect>()147            {148                new ElementSelect(new LiteralScalarResolver<string>("!!!!!!.PurchaseOrderNumber")),149                new ElementSelect(new LiteralScalarResolver<string>("$.PartNumber"))150            };151            using (var reader = GetResourceReader("PurchaseOrders"))152            {153                var engine = new JsonPathEngine(new LiteralScalarResolver<string>(from), selects);154                var result = engine.Execute(reader);155                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Does.Contain("(null)"));156                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(1), Does.Contain("872-AA"));157                Assert.That((result.ElementAt(1) as IEnumerable<object>).ElementAt(0), Does.Contain("(null)"));158                Assert.That((result.ElementAt(1) as IEnumerable<object>).ElementAt(1), Does.Contain("926-AA"));159                Assert.That((result.ElementAt(2) as IEnumerable<object>).ElementAt(0), Does.Contain("(null)"));160                Assert.That((result.ElementAt(2) as IEnumerable<object>).ElementAt(1), Does.Contain("456-NM"));161            }162        }163    }164}...

JsonPathEngine.cs

Source:JsonPathEngine.cs

...10using System.Text.RegularExpressions;11using System.Threading.Tasks;12namespace NBi.Core.DataSerialization.Flattening.Json13{14    class JsonPathEngine : PathFlattenizer, IDataSerializationFlattenizer15    {16        public JsonPathEngine(IScalarResolver<string> from, IEnumerable<IPathSelect> selects)17            : base(from, selects) { }18        public override IEnumerable<object> Execute(TextReader textReader)19        {20            var json = JToken.ReadFrom(new JsonTextReader(textReader));21            var result = from item in json.SelectTokens(From.Execute())22                         select GetObj(item);23            return result;24        }25        private object GetObj(JToken item)26        {27            var obj = new List<object>();28            obj.AddRange(BuildPaths(item, Selects).ToArray());29            return obj;30        }...

DataSerializationFlattenizerFactory.cs

Source:DataSerializationFlattenizerFactory.cs

...13        {14            switch (args)15            {16                case XPathArgs xpathArgs: return new XPathEngine(xpathArgs.From, xpathArgs.Selects, xpathArgs.DefaultNamespacePrefix, xpathArgs.IsIgnoreNamespace);17                case JsonPathArgs jsonPathArgs: return new JsonPathEngine(jsonPathArgs.From, jsonPathArgs.Selects);18                default: throw new ArgumentOutOfRangeException();19            }20        }21    }22}...

JsonPathEngine

Using AI Code Generation

1var engine = new JsonPathEngine();2var result = engine.Execute("1.json", "$.store.book[*].author");3foreach (var item in result)4{5    Console.WriteLine(item);6}7var engine = new JsonPathEngine();8var result = engine.Execute("2.json", "$.store.book[*].author");9foreach (var item in result)10{11    Console.WriteLine(item);12}13var engine = new JsonPathEngine();14var result = engine.Execute("3.json", "$.store.book[*].author");15foreach (var item in result)16{17    Console.WriteLine(item);18}19var engine = new JsonPathEngine();20var result = engine.Execute("4.json", "$.store.book[*].author");21foreach (var item in result)22{23    Console.WriteLine(item);24}25var engine = new JsonPathEngine();26var result = engine.Execute("5.json", "$.store.book[*].author");27foreach (var item in result)28{29    Console.WriteLine(item);30}31var engine = new JsonPathEngine();32var result = engine.Execute("6.json", "$.store.book[*].author");33foreach (var item in result)34{35    Console.WriteLine(item);36}37var engine = new JsonPathEngine();38var result = engine.Execute("7.json", "$.store.book[*].author");39foreach (var item in result)40{41    Console.WriteLine(item);42}43var engine = new JsonPathEngine();44var result = engine.Execute("8.json", "$.store.book[*].author");45foreach (var item in result)46{

JsonPathEngine

Using AI Code Generation

1var engine = new JsonPathEngine();2var result = engine.GetPath(new System.IO.FileInfo("1.json"), "$.store.book[0].author");3Console.WriteLine(result);4var engine = new JsonPathEngine();5var result = engine.GetPath(new System.IO.FileInfo("2.json"), "$.store.book[0].author");6Console.WriteLine(result);7var engine = new JsonPathEngine();8var result = engine.GetPath(new System.IO.FileInfo("3.json"), "$.store.book[0].author");9Console.WriteLine(result);10var engine = new JsonPathEngine();11var result = engine.GetPath(new System.IO.FileInfo("4.json"), "$.store.book[0].author");12Console.WriteLine(result);13var engine = new JsonPathEngine();14var result = engine.GetPath(new System.IO.FileInfo("5.json"), "$.store.book[0].author");15Console.WriteLine(result);16var engine = new JsonPathEngine();17var result = engine.GetPath(new System.IO.FileInfo("6.json"), "$.store.book[0].author");18Console.WriteLine(result);19var engine = new JsonPathEngine();20var result = engine.GetPath(new System.IO.FileInfo("7.json"), "$.store.book[0].author");21Console.WriteLine(result);22var engine = new JsonPathEngine();23var result = engine.GetPath(new System.IO.FileInfo("8.json"), "$.store.book[0].author");24Console.WriteLine(result);

JsonPathEngine

Using AI Code Generation

1string json = @"{""Name"":""John"", ""Age"":25, ""Address"":{""Street"":""Main Street"", ""Number"": 123}}";2var engine = new JsonPathEngine();3var result = engine.Evaluate(json, "$.Name");4string json = @"{""Name"":""John"", ""Age"":25, ""Address"":{""Street"":""Main Street"", ""Number"": 123}}";5var engine = new JsonPathEngine();6var result = engine.Evaluate(json, "$.Address.Street");7string json = @"{""Name"":""John"", ""Age"":25, ""Address"":{""Street"":""Main Street"", ""Number"": 123}}";8var engine = new JsonPathEngine();9var result = engine.Evaluate(json, "$.Address.Number");10string json = @"{""Name"":""John"", ""Age"":25, ""Address"":{""Street"":""Main Street"", ""Number"": 123}}";11var engine = new JsonPathEngine();12var result = engine.Evaluate(json, "$.Age");13string json = @"{""Name"":""John"", ""Age"":25, ""Address"":{""Street"":""Main Street"", ""Number"": 123}}";14var engine = new JsonPathEngine();15var result = engine.Evaluate(json, "$.Address");16string json = @"{""Name"":""John"", ""Age"":25, ""Address"":{""Street"":""Main Street"", ""Number"": 123}}";17var engine = new JsonPathEngine();18var result = engine.Evaluate(json, "$.Address.Number");19string json = @"{""Name"":""John"", ""Age"":

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