[C#/COMMON/.NET5] HttpRequestMessage 클래스 : POST 요청 열거 가능형 구하기
■ HttpRequestMessage 클래스를 사용해 POST 요청 열거 가능형을 구하는 방법을 보여준다. ▶ HttpRequestMessage 클래스 : POST 요청 열거 가능형 구하기 예제 (C#)
[태그:] JSON
[DART] jsonEncode 함수 : 객체에서 JSON 문자열 구하기
■ jsonEncode 함수를 사용해 객체에서 JSON 문자열을 구하는 방법을 보여준다. ▶ 예제 코드 (DART)
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import 'dart:convert'; void main() { List<Map<String, Object?>> scoreList = [ { 'score': 40 }, { 'score': 80 }, { 'score': 100, 'overtime': true, 'special_guest': null } ]; String jsonString = jsonEncode(scoreList); print(jsonString); } |
[DART] jsonDecode 함수 : JSON 문자열에서 객체 생성하기
■ jsonDecode 함수를 사용해 JSON 문자열에서 객체를 생성하는 방법을 보여준다. ▶ 예제 코드 (DART)
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import 'dart:convert'; void main() { String jsonString = ''' [ { "subject" : "국어", "score" : 100 }, { "subject" : "수학", "score" : 90 } ] '''; dynamic recordList = jsonDecode(jsonString); print(recordList is List); dynamic record1 = recordList[0]; print(record1 is Map); print(record1['subject']); print(record1['score']); dynamic record2 = recordList[1]; print(record2 is Map); print(record2['subject']); print(record2['score']); } |
[POWERSHELL] .NET Newtonsoft.Json을 사용해 JSON 파일 파싱하기
■ .NET Newtonsoft.Json을 사용해 JSON 파일을 파싱하는 방법을 보여준다. ▶ setting.json
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{ "MainFormLeft" : 52, "MainFormTop" : 52, "MainFormWidth" : 920, "MainFormHeight" : 690, "MainFormState" : "Maximized", "SkinStyle" : "The Bezier", "RibbonMinimized" : true, "SidebarStyle" : "NavigationPane", "SidebarWidth" : 100, "SidebarCollapsable" : false, "SidebarVisible" : true } |
▶ 실행 명령
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$JSON = (Get-Content "d:\setting.json" -Encoding UTF8 | Out-String) [Reflection.Assembly]::LoadFile("d:\Newtonsoft.Json.dll") $Setting = [Newtonsoft.Json.Linq.JObject]::Parse($JSON) $Setting.Item("MainFormLeft" ).ToString() $Setting.Item("MainFormTop" ).ToString() $Setting.Item("MainFormWidth" ).ToString() $Setting.Item("MainFormHeight" ).ToString() $Setting.Item("MainFormState" ).ToString() $Setting.Item("SkinStyle" ).ToString() $Setting.Item("RibbonMinimized" ).ToString() $Setting.Item("SidebarStyle" ).ToString() $Setting.Item("SidebarWidth" ).ToString() $Setting.Item("SidebarCollapsable").ToString() $Setting.Item("SidebarVisible" ).ToString() |
Newtonsoft.Json.zip
[POWERSHELL] ConvertFrom-Json 명령 : JSON 파일 파싱하기
■ ConvertFrom-Json 명령을 사용해 JSON 파일을 파싱하는 방법을 보여준다. ▶ setting.json
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{ "MainFormLeft" : 52, "MainFormTop" : 52, "MainFormWidth" : 920, "MainFormHeight" : 690, "MainFormState" : "Maximized", "SkinStyle" : "The Bezier", "RibbonMinimized" : true, "SidebarStyle" : "NavigationPane", "SidebarWidth" : 100, "SidebarCollapsable" : false, "SidebarVisible" : true } |
▶ 실행 명령
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$JSON = (Get-Content "d:\test.json" -Encoding UTF8 | Out-String) $Setting = ConvertFrom-Json $JSON $Setting.MainFormLeft $Setting.MainFormTop $Setting.MainFormWidth $Setting.MainFormHeight $Setting.MainFormState $Setting.SkinStyle $Setting.RibbonMinimized $Setting.SidebarStyle $Setting.SidebarWidth $Setting.SidebarCollapsable $Setting.SidebarVisible |
[C#/COMMON/NEWTONSOFT] JSON 문자열에서 JSON 클래스 생성하기
■ JSON 문자열에서 JSON 클래스를 생성하는 방법을 보여준다. [TestLibrary 프로젝트] ▶ JSONValueType.cs
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namespace TestLibrary { /// <summary> /// JSON 값 타입 /// </summary> public enum JSONValueType { /// <summary> /// ANYTHING /// </summary> Anything, /// <summary> /// 문자열 /// </summary> String, /// <summary> /// 진리값 /// </summary> Boolean, /// <summary> /// 정수 /// </summary> Integer, /// <summary> /// 배정도 정수 /// </summary> Long, /// <summary> /// 부동형 실수 /// </summary> Float, /// <summary> /// 날짜 /// </summary> Date, /// <summary> /// NULL 가능 정수 /// </summary> NullableInteger, /// <summary> /// NULL 가능 배정도 정수 /// </summary> NullableLong, /// <summary> /// NULL 가능 부동형 실수 /// </summary> NullableFloat, /// <summary> /// NULL 가능 진리값 /// </summary> NullableBoolean, /// <summary> /// NULL 가능 날짜 /// </summary> NullableDate, /// <summary> /// 객체 /// </summary> Object, /// <summary> /// 배열 /// </summary> Array, /// <summary> /// 딕셔너리 /// </summary> Dictionary, /// <summary> /// NULL 가능 SOMETHING /// </summary> NullableSomething, /// <summary> /// 제약 없음 /// </summary> NonConstrained } } |
▶ JSONType.cs
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using System; using System.Collections.Generic; using System.Linq; using Newtonsoft.Json.Linq; namespace TestLibrary { /// <summary> /// JSON 타입 /// </summary> public class JSONType { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 제너레이터 /// </summary> private IJSONClassGenerator generator; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 값 타입 - ValueType /// <summary> /// 값 타입 /// </summary> public JSONValueType ValueType { get; private set; } #endregion #region 내부 타입 - InternalType /// <summary> /// 내부 타입 /// </summary> public JSONType InternalType { get; private set; } #endregion #region 할당명 - AssignedName /// <summary> /// 할당명 /// </summary> public string AssignedName { get; private set; } #endregion #region 캐시 필수 여부 - MustCache /// <summary> /// 캐시 필수 여부 /// </summary> public bool MustCache { get { switch(ValueType) { case JSONValueType.Array : return true; case JSONValueType.Object : return true; case JSONValueType.Anything : return true; case JSONValueType.Dictionary : return true; case JSONValueType.NonConstrained : return true; default : return false; } } } #endregion #region 필드 정보 리스트 - FieldInfoList /// <summary> /// 필드 정보 리스트 /// </summary> public IList<FieldInfo> FieldInfoList { get; internal set; } #endregion #region 루트 여부 - IsRoot /// <summary> /// 루트 여부 /// </summary> public bool IsRoot { get; internal set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - JSONType(generator, token) /// <summary> /// 생성자 /// </summary> /// <param name="generator">제너레이터</param> /// <param name="token">토큰</param> public JSONType(IJSONClassGenerator generator, JToken token) : this(generator) { ValueType = GetFirstValueType(token); if(ValueType == JSONValueType.Array) { JArray array = (JArray)token; InternalType = GetCommonType(generator, array.ToArray()); } } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Internal #region 생성자 - JSONType(generator, type) /// <summary> /// 생성자 /// </summary> /// <param name="generator">제너레이터</param> /// <param name="type">타입</param> internal JSONType(IJSONClassGenerator generator, JSONValueType type) : this(generator) { ValueType = type; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 생성자 - JSONType(generator) /// <summary> /// 생성자 /// </summary> /// <param name="generator">JSON 클래스 제너레이터 인터페이스</param> private JSONType(IJSONClassGenerator generator) { this.generator = generator; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 공통 타입 구하기 - GetCommonType(generator, tokenArray) /// <summary> /// 공통 타입 구하기 /// </summary> /// <param name="generator">제너레이터</param> /// <param name="tokenArray">토큰 배열</param> /// <returns>공통 타입 </returns> public static JSONType GetCommonType(IJSONClassGenerator generator, JToken[] tokenArray) { if(tokenArray.Length == 0) { return new JSONType(generator, JSONValueType.NonConstrained); } JSONType commonType = new JSONType(generator, tokenArray[0]).MaybeMakeNullable(generator); for(int i = 1; i < tokenArray.Length; i++) { JSONType currentType = new JSONType(generator, tokenArray[i]); commonType = commonType.GetCommonType(currentType); } return commonType; } #endregion //////////////////////////////////////////////////////////////////////////////// Internal #region NULL 구하기 - GetNull(generator) /// <summary> /// NULL 구하기 /// </summary> /// <param name="generator">제너레이터</param> /// <returns>NULL</returns> internal static JSONType GetNull(IJSONClassGenerator generator) { return new JSONType(generator, JSONValueType.NullableSomething); } #endregion //////////////////////////////////////////////////////////////////////////////// Private #region 첫번째 값 타입 구하기 - GetFirstValueType(token) /// <summary> /// 첫번째 값 타입 구하기 /// </summary> /// <param name="token">토큰</param> /// <returns>첫번째 값 타입</returns> private static JSONValueType GetFirstValueType(JToken token) { JTokenType type = token.Type; if(type == JTokenType.Integer) { if((long)((JValue)token).Value < int.MaxValue) { return JSONValueType.Integer; } else { return JSONValueType.Long; } } switch(type) { case JTokenType.Array : return JSONValueType.Array; case JTokenType.Boolean : return JSONValueType.Boolean; case JTokenType.Float : return JSONValueType.Float; case JTokenType.Null : return JSONValueType.NullableSomething; case JTokenType.Undefined : return JSONValueType.NullableSomething; case JTokenType.String : return JSONValueType.String; case JTokenType.Object : return JSONValueType.Object; case JTokenType.Date : return JSONValueType.Date; default : return JSONValueType.Anything; } } #endregion #region NULL 여부 구하기 - IsNull(valueType) /// <summary> /// NULL 여부 구하기 /// </summary> /// <param name="valueType">값 타입</param> /// <returns>NULL 여부</returns> private static bool IsNull(JSONValueType valueType) { return valueType == JSONValueType.NullableSomething; } #endregion #region NULL 여부 구하기 - IsNull(tokenType) /// <summary> /// NULL 여부 구하기 /// </summary> /// <param name="tokenType">토큰 타입</param> /// <returns>NULL 여부</returns> private static bool IsNull(JTokenType tokenType) { return tokenType == JTokenType.Null || tokenType == JTokenType.Undefined; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Public #region 공통 타입 구하기 - GetCommonType(type) /// <summary> /// 공통 타입 구하기 /// </summary> /// <param name="type">타입</param> /// <returns>공통 타입</returns> public JSONType GetCommonType(JSONType type) { JSONValueType commonValueType = GetCommonValueType(ValueType, type.ValueType); if(commonValueType == JSONValueType.Array) { if(type.ValueType == JSONValueType.NullableSomething) { return this; } if(ValueType == JSONValueType.NullableSomething) { return type; } JSONType commonInternalType = InternalType.GetCommonType(type.InternalType).MaybeMakeNullable(generator); if(commonInternalType != InternalType) { return new JSONType(generator, JSONValueType.Array) { InternalType = commonInternalType }; } } if(ValueType == commonValueType) { return this; } return new JSONType(generator, commonValueType).MaybeMakeNullable(generator); } #endregion #region 명칭 할당하기 - AssignName(name) /// <summary> /// 명칭 할당하기 /// </summary> /// <param name="name">명칭</param> public void AssignName(string name) { AssignedName = name; } #endregion #region 렌더링 명칭 구하기 - GetReaderName() /// <summary> /// 렌더링 명칭 구하기 /// </summary> /// <returns>렌더링 명칭</returns> public string GetReaderName() { if(ValueType == JSONValueType.Anything || ValueType == JSONValueType.NullableSomething || ValueType == JSONValueType.NonConstrained) { return "ReadObject"; } if(ValueType == JSONValueType.Object) { return string.Format("ReadStronglyTypedObject<{0}>", AssignedName); } else if(ValueType == JSONValueType.Array) { return string.Format("ReadArray<{0}>", InternalType.GetTypeName()); } else { return string.Format("Read{0}", Enum.GetName(typeof(JSONValueType), ValueType)); } } #endregion #region 내면 유형 구하기 - GetInnermostType() /// <summary> /// 내면 유형 구하기 /// </summary> /// <returns>내면 유형</returns> public JSONType GetInnermostType() { if(ValueType != JSONValueType.Array) { throw new InvalidOperationException(); } if(InternalType.ValueType != JSONValueType.Array) { return InternalType; } return InternalType.GetInnermostType(); } #endregion #region 타입명 구하기 - GetTypeName() /// <summary> /// 타입명 구하기 /// </summary> /// <returns>타입명</returns> public string GetTypeName() { return this.generator.CodeWriter.GetTypeName(this, this.generator); } #endregion #region JSON 토큰 타입 구하기 - GetJTokenType() /// <summary> /// JSON 토큰 타입 구하기 /// </summary> /// <returns>JSON 토큰 타입</returns> public string GetJTokenType() { switch(ValueType) { case JSONValueType.Boolean : case JSONValueType.Integer : case JSONValueType.Long : case JSONValueType.Float : case JSONValueType.Date : case JSONValueType.NullableBoolean : case JSONValueType.NullableInteger : case JSONValueType.NullableLong : case JSONValueType.NullableFloat : case JSONValueType.NullableDate : case JSONValueType.String : return "JValue"; case JSONValueType.Array : return "JArray"; case JSONValueType.Dictionary : return "JObject"; case JSONValueType.Object : return "JObject"; default : return "JToken"; } } #endregion //////////////////////////////////////////////////////////////////////////////// Internal #region 혹시나 NULL 가능 만들기 - MaybeMakeNullable(generator) /// <summary> /// 혹시나 NULL 가능 만들기 /// </summary> /// <param name="generator">제너레이터</param> /// <returns>JSON 타입</returns> internal JSONType MaybeMakeNullable(IJSONClassGenerator generator) { if(!generator.AlwaysUseNullableValues) { return this; } return GetCommonType(JSONType.GetNull(generator)); } #endregion //////////////////////////////////////////////////////////////////////////////// Private #region 공통 값 타입 구하기 - GetCommonValueType(valueType1, valueType2) /// <summary> /// 공통 값 타입 구하기 /// </summary> /// <param name="valueType1">값 타입 1</param> /// <param name="valueType2">값 타입 2</param> /// <returns>공통 값 타입</returns> private JSONValueType GetCommonValueType(JSONValueType valueType1, JSONValueType valueType2) { if(valueType1 == JSONValueType.NonConstrained) { return valueType2; } if(valueType2 == JSONValueType.NonConstrained) { return valueType1; } switch(valueType1) { case JSONValueType.Boolean : if(IsNull(valueType2)) { return JSONValueType.NullableBoolean; } if(valueType2 == JSONValueType.Boolean) { return valueType1; } break; case JSONValueType.NullableBoolean : if(IsNull(valueType2)) { return valueType1; } if(valueType2 == JSONValueType.Boolean) { return valueType1; } break; case JSONValueType.Integer : if(IsNull(valueType2)) { return JSONValueType.NullableInteger; } if(valueType2 == JSONValueType.Float) { return JSONValueType.Float; } if(valueType2 == JSONValueType.Long) { return JSONValueType.Long; } if(valueType2 == JSONValueType.Integer) { return valueType1; } break; case JSONValueType.NullableInteger : if(IsNull(valueType2)) { return valueType1; } if(valueType2 == JSONValueType.Float) { return JSONValueType.NullableFloat; } if(valueType2 == JSONValueType.Long) { return JSONValueType.NullableLong; } if(valueType2 == JSONValueType.Integer) { return valueType1; } break; case JSONValueType.Float : if(IsNull(valueType2)) { return JSONValueType.NullableFloat; } if(valueType2 == JSONValueType.Float) { return valueType1; } if(valueType2 == JSONValueType.Integer) { return valueType1; } if(valueType2 == JSONValueType.Long) { return valueType1; } break; case JSONValueType.NullableFloat : if(IsNull(valueType2)) { return valueType1; } if(valueType2 == JSONValueType.Float) { return valueType1; } if(valueType2 == JSONValueType.Integer) { return valueType1; } if(valueType2 == JSONValueType.Long) { return valueType1; } break; case JSONValueType.Long : if(IsNull(valueType2)) { return JSONValueType.NullableLong; } if(valueType2 == JSONValueType.Float) { return JSONValueType.Float; } if(valueType2 == JSONValueType.Integer) { return valueType1; } break; case JSONValueType.NullableLong : if(IsNull(valueType2)) { return valueType1; } if(valueType2 == JSONValueType.Float) { return JSONValueType.NullableFloat; } if(valueType2 == JSONValueType.Integer) { return valueType1; } if(valueType2 == JSONValueType.Long) { return valueType1; } break; case JSONValueType.Date : if(IsNull(valueType2)) { return JSONValueType.NullableDate; } if(valueType2 == JSONValueType.Date) { return JSONValueType.Date; } break; case JSONValueType.NullableDate : if(IsNull(valueType2)) { return valueType1; } if(valueType2 == JSONValueType.Date) { return valueType1; } break; case JSONValueType.NullableSomething : if(IsNull(valueType2)) { return valueType1; } if(valueType2 == JSONValueType.String) { return JSONValueType.String; } if(valueType2 == JSONValueType.Integer) { return JSONValueType.NullableInteger; } if(valueType2 == JSONValueType.Float) { return JSONValueType.NullableFloat; } if(valueType2 == JSONValueType.Long) { return JSONValueType.NullableLong; } if(valueType2 == JSONValueType.Boolean) { return JSONValueType.NullableBoolean; } if(valueType2 == JSONValueType.Date) { return JSONValueType.NullableDate; } if(valueType2 == JSONValueType.Array) { return JSONValueType.Array; } if(valueType2 == JSONValueType.Object) { return JSONValueType.Object; } break; case JSONValueType.Object : if(IsNull(valueType2)) { return valueType1; } if(valueType2 == JSONValueType.Object) { return valueType1; } if(valueType2 == JSONValueType.Dictionary) { throw new ArgumentException(); } break; case JSONValueType.Dictionary : throw new ArgumentException(); case JSONValueType.Array : if(IsNull(valueType2)) { return valueType1; } if(valueType2 == JSONValueType.Array) { return valueType1; } break; case JSONValueType.String : if(IsNull(valueType2)) { return valueType1; } if(valueType2 == JSONValueType.String) { return valueType1; } break; } return JSONValueType.Anything; } #endregion } } |
▶ FieldInfo.cs
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using System.Collections.Generic; using System.Linq; using Newtonsoft.Json; namespace TestLibrary { /// <summary> /// 필드 정보 /// </summary> public class FieldInfo { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 제너레이터 /// </summary> private IJSONClassGenerator generator; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 멤버명 - MemberName /// <summary> /// 멤버명 /// </summary> public string MemberName { get; private set; } #endregion #region JSON 멤버명 - JSONMemberName /// <summary> /// JSON 멤버명 /// </summary> public string JSONMemberName { get; private set; } #endregion #region 타입 - Type /// <summary> /// 타입 /// </summary> public JSONType Type { get; private set; } #endregion #region 예제 리스트 - ExampleList /// <summary> /// 예제 리스트 /// </summary> public IList<object> ExampleList { get; private set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - FieldInfo(generator, jsonMemberName, type, usePascalCase, exampleList) /// <summary> /// 생성자 /// </summary> /// <param name="generator">제너레이터</param> /// <param name="jsonMemberName">JSON 멤버명</param> /// <param name="type">타입</param> /// <param name="usePascalCase">파스칼 표기법 사용 여부</param> /// <param name="exampleList">예제 리스트</param> public FieldInfo(IJSONClassGenerator generator, string jsonMemberName, JSONType type, bool usePascalCase, IList<object> exampleList) { this.generator = generator; JSONMemberName = jsonMemberName; MemberName = jsonMemberName; if(usePascalCase) { MemberName = JSONClassGenerator.ToTitleCase(MemberName); } Type = type; ExampleList = exampleList; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성 코드 구하기 - GetGenerationCode(source) /// <summary> /// 생성 코드 구하기 /// </summary> /// <param name="source">소스 문자열</param> /// <returns>생성 코드</returns> public string GetGenerationCode(string source) { FieldInfo fieldInfo = this; if(fieldInfo.Type.ValueType == JSONValueType.Array) { JSONType innermostType = fieldInfo.Type.GetInnermostType(); return string.Format ( "({1})JsonClassHelper.ReadArray<{5}>(JsonClassHelper.GetJToken<JArray>({0}, \"{2}\"), JsonClassHelper.{3}, typeof({6}))", source, fieldInfo.Type.GetTypeName(), fieldInfo.JSONMemberName, innermostType.GetReaderName(), -1, innermostType.GetTypeName(), fieldInfo.Type.GetTypeName() ); } else if(fieldInfo.Type.ValueType == JSONValueType.Dictionary) { return string.Format ( "({1})JsonClassHelper.ReadDictionary<{2}>(JsonClassHelper.GetJToken<JObject>({0}, \"{3}\"))", source, fieldInfo.Type.GetTypeName(), fieldInfo.Type.InternalType.GetTypeName(), fieldInfo.JSONMemberName, fieldInfo.Type.GetTypeName() ); } else { return string.Format ( "JsonClassHelper.{1}(JsonClassHelper.GetJToken<{2}>({0}, \"{3}\"))", source, fieldInfo.Type.GetReaderName(), fieldInfo.Type.GetJTokenType(), fieldInfo.JSONMemberName ); } } #endregion #region 예제 텍스트 구하기 - GetExampleText() /// <summary> /// 예제 텍스트 구하기 /// </summary> /// <returns>예제 텍스트</returns> public string GetExampleText() { return string.Join(", ", ExampleList.Take(5).Select(x => JsonConvert.SerializeObject(x)).ToArray()); } #endregion } } |
▶ ICodeWriter.cs
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using System.IO; namespace TestLibrary { /// <summary> /// 코드 작성자 인터페이스 /// </summary> public interface ICodeWriter { //////////////////////////////////////////////////////////////////////////////////////////////////// Property #region 파일 확장자 - FileExtension /// <summary> /// 파일 확장자 /// </summary> string FileExtension { get; } #endregion #region 디스플레이명 - DisplayName /// <summary> /// 디스플레이명 /// </summary> string DisplayName { get; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method #region 타입명 구하기 - GetTypeName(type, generator) /// <summary> /// 타입명 구하기 /// </summary> /// <param name="type">타입</param> /// <param name="generator">제너레이터</param> /// <returns>타입명</returns> string GetTypeName(JSONType type, IJSONClassGenerator generator); #endregion #region 클래스 쓰기 - WriteClass(generator, writer, type) /// <summary> /// 클래스 쓰기 /// </summary> /// <param name="generator">제너레이터</param> /// <param name="writer">작성자</param> /// <param name="type">타입</param> void WriteClass(IJSONClassGenerator generator, TextWriter writer, JSONType type); #endregion #region 파일 시작 쓰기 - WriteFileStart(generator, writer) /// <summary> /// 파일 시작 쓰기 /// </summary> /// <param name="generator">제너레이터</param> /// <param name="writer">작성자</param> void WriteFileStart(IJSONClassGenerator generator, TextWriter writer); #endregion #region 파일 종료 쓰기 - WriteFileEnd(generator, writer) /// <summary> /// 파일 종료 쓰기 /// </summary> /// <param name="generator">제너레이터</param> /// <param name="writer">작성자</param> void WriteFileEnd(IJSONClassGenerator generator, TextWriter writer); #endregion #region 네임스페이스 시작 쓰기 - WriteNamespaceStart(generator, writer, root) /// <summary> /// 네임스페이스 시작 쓰기 /// </summary> /// <param name="generator">제너레이터</param> /// <param name="writer">작성자</param> /// <param name="root">루트 여부</param> void WriteNamespaceStart(IJSONClassGenerator generator, TextWriter writer, bool root); #endregion #region 네임스페이스 종료 쓰기 - WriteNamespaceEnd(generator, writer, root) /// <summary> /// 네임스페이스 종료 쓰기 /// </summary> /// <param name="generator">제너레이터</param> /// <param name="writer">작성자</param> /// <param name="root">루트 여부</param> void WriteNamespaceEnd(IJSONClassGenerator generator, TextWriter writer, bool root); #endregion } } |
[C#/ASP.NET MVC/.NETCORE] JsonConfigurationExtensions 클래스 : AddJsonFile 확장 메소드를 사용해 JSON 구성 공급자 등록하기
■ JsonConfigurationExtensions 클래스의 AddJsonFile 확장 메소드를 사용해 JSON 구성 공급자를 등록하는 방법을 보여준다. ▶ sample.json
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{ "TestKey" : "TestValue2", "Position" : { "Title" : "Editor2", "Name" : "Smith2" }, "Logging" : { "LogLevel" : { "Default" : "Information", "Microsoft" : "Warning", "Microsoft.Hosting.Lifetime" : "Information" } }, "AllowedHosts" : "*" } |
▶ Program.cs
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using Microsoft.AspNetCore.Hosting; using Microsoft.Extensions.Configuration; using Microsoft.Extensions.Hosting; namespace TestProject { /// <summary> /// 프로그램 /// </summary> public class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 프로그램 시작하기 - Main(argumentArray) /// <summary> /// 프로그램 시작하기 /// </summary> /// <param name="argumentArray">인자 배열</param> public static void Main(string[] argumentArray) { CreateHostBuilder(argumentArray).Build().Run(); } #endregion #region 호스트 빌더 생성하기 - CreateHostBuilder(argumentArray) /// <summary> /// 호스트 빌더 생성하기 /// </summary> /// <param name="argumentArray">인자 배열</param> /// <returns>호스트 빌더</returns> public static IHostBuilder CreateHostBuilder(string[] argumentArray) => Host.CreateDefaultBuilder(argumentArray) .ConfigureAppConfiguration ( (context, configuration) => { var environment = context.HostingEnvironment; configuration.AddJsonFile ( "sample.json", optional : true, reloadOnChange : true ); configuration.AddJsonFile ( $"sample.{environment.EnvironmentName}.json", optional : true, reloadOnChange : true ); configuration.AddEnvironmentVariables(); if(argumentArray != null) { configuration.AddCommandLine(argumentArray); } } ) .ConfigureWebHostDefaults ( builder => { builder.UseStartup<Startup>(); } ); #endregion } } |
▶ appsettings.json
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{ "TestKey" : "TestValue1", "Position" : { "Title" : "Editor1", "Name" : "Smith1" }, "Logging" : { "LogLevel" : { "Default" : "Information", "Microsoft" : "Warning", "Microsoft.Hosting.Lifetime" : "Information" } }, "AllowedHosts" : "*" } |
[C#/ASP.NET MVC/.NETCORE] NewtonsoftJsonMvcBuilderExtensions 클래스 : AddNewtonsoftJson 확장 메소드를 사용해 카멜 표기법으로 JSON 문자열 구하기
■ NewtonsoftJsonMvcBuilderExtensions 클래스의 AddNewtonsoftJson 확장 메소드를 사용해 카멜 표기법으로 JSON 문자열을 구하는 방법을 보여준다. ▶ Startup.cs
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using Microsoft.AspNetCore.Builder; using Microsoft.AspNetCore.Hosting; using Microsoft.Extensions.Configuration; using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.Hosting; using Newtonsoft.Json.Serialization; namespace TestProject { /// <summary> /// 시작 /// </summary> public class Startup { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 구성 - Configuration /// <summary> /// 구성 /// </summary> public IConfiguration Configuration { get; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - Startup(configuration) /// <summary> /// 생성자 /// </summary> /// <param name="configuration">구성</param> public Startup(IConfiguration configuration) { Configuration = configuration; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 서비스 컬렉션 구성하기 - ConfigureServices(services) /// <summary> /// 서비스 컬렉션 구성하기 /// </summary> /// <param name="services">서비스 컬렉션</param> public void ConfigureServices(IServiceCollection services) { services.AddControllers() .AddNewtonsoftJson ( options => { options.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver(); } ); } #endregion #region 구성하기 - Configure(app, environment) /// <summary> /// 구성하기 /// </summary> /// <param name="app">애플리케이션 빌더</param> /// <param name="environment">웹 호스트 환경</param> public void Configure(IApplicationBuilder app, IWebHostEnvironment environment) { if(environment.IsDevelopment()) { app.UseDeveloperExceptionPage(); } app.UseHttpsRedirection(); app.UseRouting(); app.UseAuthorization(); app.UseEndpoints ( endpoints => { endpoints.MapControllers(); } ); } #endregion } } |
※ JSON 문자열 변환시 카멜
[C#/ASP.NET MVC/.NETCORE] Microsoft.AspNetCore.Mvc.NewtonsoftJson 누겟 설치하기
■ Microsoft.AspNetCore.Mvc.NewtonsoftJson 누겟을 설치하는 방법을 보여준다. 1. Visual Studio를 실행한다. 2. [도구] / [NuGet 패키지 관리자] / [패키지 관리자 콘솔] 메뉴를 실행한다.
[C#/WCF] JSON 압축 스트리밍 데이터 구하기
■ JSON 압축 스트리밍 데이터를 구하는 방법을 보여준다. [TestServer 프로젝트] ▶ IDataService.cs
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using System.IO; using System.ServiceModel; namespace TestServer { /// <summary> /// 데이터 서비스 인터페이스 /// </summary> [ServiceContract] public interface IDataService { //////////////////////////////////////////////////////////////////////////////////////////////////// Method #region 데이터 구하기 - GetData(dataID, conditionData) /// <summary> /// 데이터 구하기 /// </summary> /// <param name="dataID">데이터 ID</param> /// <param name="conditionData">조건 데이터</param> /// <returns>데이터</returns> [OperationContract] Stream GetData(string dataID, string conditionData); #endregion } } |
▶ DataService.cs
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using System; using System.Collections.Generic; using System.IO; using System.IO.Compression; using System.ServiceModel; using TestCommon; namespace TestServer { /// <summary> /// 데이터 서비스 /// </summary> public class DataService : IDataService { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 임시 디렉토리 경로 /// </summary> private const string TEMPORARY_DIRECTORY_PATH = "d:\\temporary_server"; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 데이터 구하기 - GetData(dataID, conditionData) /// <summary> /// 데이터 구하기 /// </summary> /// <param name="dataID">데이터 ID</param> /// <param name="conditionData">조건 데이터</param> /// <returns>데이터</returns> public Stream GetData(string dataID, string conditionData) { WriteMessage("START GET DATA"); WriteMessage("DATA ID : {0}", dataID); WriteMessage("CONDITION DATA"); WriteMessage("--------------------------------------------------"); WriteMessage(conditionData); WriteMessage("--------------------------------------------------"); string transactionID = GUIDHelper.GetGUID(); if(!Directory.Exists(TEMPORARY_DIRECTORY_PATH)) { Directory.CreateDirectory(TEMPORARY_DIRECTORY_PATH); } ////////////////////////////////////////////////// int dataCount = JSONHelper.Deserialize<int>(conditionData); List<Student> list = Student.GetData(dataCount); ////////////////////////////////////////////////// WriteMessage("START CREATE TRANSACTION FILE"); string transactionFilePath = Path.Combine(TEMPORARY_DIRECTORY_PATH, string.Format("{0}.dat", transactionID)); using(FileStream fileStream = new FileStream(transactionFilePath, FileMode.Create, FileAccess.Write)) { using(GZipStream gZipStream = new GZipStream(fileStream, CompressionMode.Compress)) { JSONHelper.Serialize(list, gZipStream); } } WriteMessage("END CREATE TRANSACTION FILE"); Stream stream = null; try { stream = File.Open(transactionFilePath, FileMode.Open, FileAccess.Read, FileShare.Read); } catch { } OperationContext operationContext = OperationContext.Current; operationContext.OperationCompleted += delegate(object sender, EventArgs e) { try { File.Delete(transactionFilePath); } catch { } }; WriteMessage("END GET DATA"); return stream; } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private #region 메시지 쓰기 - WriteMessage(format, parameterArray) /// <summary> /// 메시지 쓰기 /// </summary> /// <param name="format">포맷 문자열</param> /// <param name="parameterArray">매개 변수 배열</param> private void WriteMessage(string format, params object[] parameterArray) { string message; if(parameterArray.Length == 0) { message = format; } else { message = string.Format(format, parameterArray); } Console.WriteLine(string.Format("[{0}] {1}", DateTime.Now.ToString("HH:mm:ss"), message)); } #endregion } } |
▶ Program.cs
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using System; using System.ServiceModel; namespace TestServer { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> private static void Main() { using(ServiceHost serviceHost = new ServiceHost(typeof(DataService))) { serviceHost.Open(); Console.WriteLine("서버가 시작되었습니다 : " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")); Console.ReadKey(true); } } #endregion } } |
▶ App.config
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<?xml version="1.0" encoding="utf-8" ?> <configuration> <startup> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /> </startup> <system.serviceModel> <behaviors> <serviceBehaviors> <behavior name="mexBehavior"> <serviceMetadata httpGetEnabled="true" /> <serviceDebug includeExceptionDetailInFaults="true" /> </behavior> </serviceBehaviors> </behaviors> <bindings> <basicHttpBinding> <binding name="basicHttp" sendTimeout="00:10:00" receiveTimeout="00:10:00" maxReceivedMessageSize="1262485504" transferMode="Streamed" /> </basicHttpBinding> <netTcpBinding> <binding name="netTcp" sendTimeout="00:10:00" receiveTimeout="00:10:00" maxReceivedMessageSize="1262485504" transferMode="Streamed" /> </netTcpBinding> </bindings> <services> <service name="TestServer.DataService" behaviorConfiguration="mexBehavior"> <endpoint address="DataService" binding="basicHttpBinding" bindingConfiguration="basicHttp" contract="TestServer.IDataService" /> <endpoint address="DataService" binding="netTcpBinding" bindingConfiguration="netTcp" contract="TestServer.IDataService" /> <host> <baseAddresses> <add baseAddress="http://localhost:8080" /> <add baseAddress="net.tcp://localhost:8090" /> </baseAddresses> </host> </service> </services> </system.serviceModel> </configuration> |
[C#/COMMON/NEWTONSOFT] JsonSerializer 클래스 : 스트림 직렬화/역직렬화 하기
■ JsonSerializer 클래스를 사용해 스트림을 직렬화/역직렬화하는 방법을 보여준다. ▶ JSONHelper.cs
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using System.IO; using Newtonsoft.Json; namespace TestProject { /// <summary> /// JSON 헬퍼 /// </summary> public static class JSONHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 포매팅 /// </summary> private static Formatting _formatting = Formatting.None; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region JSON 구하기 - GetJSON(sourceObject) /// <summary> /// JSON 구하기 /// </summary> /// <param name="sourceObject">소스 객체</param> /// <returns>JSON 문자열</returns> public static string GetJSON(object sourceObject) { string json = JsonConvert.SerializeObject(sourceObject, _formatting); return json; } #endregion #region 객체 구하기 - GetObject<T>(json) /// <summary> /// 객체 구하기 /// </summary> /// <typeparam name="T">타입</typeparam> /// <param name="json">JSON 문자열</param> /// <returns>객체</returns> public static T GetObject<T>(string json) { T targetObject = JsonConvert.DeserializeObject<T>(json); return targetObject; } #endregion #region 직렬화 하기 - Serialize(sourceObject, targetStream) /// <summary> /// 직렬화 하기 /// </summary> /// <param name="sourceObject">소스 객체</param> /// <param name="targetStream">타겟 스트림</param> public static void Serialize(object sourceObject, Stream targetStream) { using(StreamWriter streamWriter = new StreamWriter(targetStream)) { using(JsonTextWriter jsonTextWriter = new JsonTextWriter(streamWriter)) { JsonSerializer jsonSerializer = new JsonSerializer(); jsonSerializer.Formatting = _formatting; jsonSerializer.Serialize(jsonTextWriter, sourceObject); jsonTextWriter.Flush(); } } } #endregion #region 역직렬화 하기 - Deserialize<T>(sourceStream) /// <summary> /// 역직렬화 하기 /// </summary> /// <typeparam name="T">타입</typeparam> /// <param name="sourceStream">소스 스트림</param> /// <returns>역직렬화 하기</returns> public static T Deserialize<T>(Stream sourceStream) { using(StreamReader streamReader = new StreamReader(sourceStream)) { using(JsonTextReader jsonTextReader = new JsonTextReader(streamReader)) { JsonSerializer jsonSerializer = new JsonSerializer(); jsonSerializer.Formatting = _formatting; T targetObject = jsonSerializer.Deserialize<T>(jsonTextReader); return targetObject; } } } #endregion } } |
▶ Program.cs
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using System; using System.Collections.Generic; using System.IO; namespace TestProject { /// <summary> /// 프로그램 /// </summary> class Program { /// <summary> /// 프로그램 시작하기 /// </summary> static void Main() { // 소스 리스트를 생성한다. List<TestData> sourceList = new List<TestData>(); for(int i = 0; i < 1000; i++) { sourceList.Add(new TestData { ID = i + 1, Name = "항목 " + (i + 1).ToString(), Grade = i % 5 + 1}); } // 파일 스트림에 직렬화 한다. FileStream targetFileStream = new FileStream("d:\\result.json", FileMode.CreateNew); JSONHelper.Serialize(sourceList, targetFileStream); // 파일 스트림에서 역직렬화 한다. FileStream sourceFileStream = new FileStream("d:\\a.json", FileMode.Open); List<TestData> targetList = JSONHelper.Deserialize<List<TestData>>(sourceFileStream); // 결과를 출력한다. Console.WriteLine("소스 리스트 : {0}건", sourceList.Count); Console.WriteLine("타겟 리스트 : {0}건", targetList.Count); } } } |
TestProject.zip
[C#/COMMON/NEWTONSOFT] JsonConverter 클래스 : MemoryStream 직렬화/역직렬화하기
■ JsonConverter 클래스를 사용해 MemoryStream을 직렬화/역직렬화하는 방법을 보여준다. ▶ MemoryStreamJSONConverter.cs
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using System; using System.IO; using Newtonsoft.Json; namespace TestJSONStream { /// <summary> /// 메모리 스트림 JSON 컨버터 /// </summary> public class MemoryStreamJSONConverter : JsonConverter { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 변환 가능 여부 구하기 - CanConvert(objectType) /// <summary> /// 변환 가능 여부 구하기 /// </summary> /// <param name="objectType">객체 타입</param> /// <returns>변환 가능 여부</returns> public override bool CanConvert(Type objectType) { return typeof(MemoryStream).IsAssignableFrom(objectType); } #endregion #region JSON 읽기 - ReadJson(jsonReader, objectType, existingValue, jsonSerializer) /// <summary> /// JSON 읽기 /// </summary> /// <param name="jsonReader">JSON 리더</param> /// <param name="objectType">객체 타입</param> /// <param name="existingValue">기존 값</param> /// <param name="jsonSerializer">JSON 직렬화기</param> /// <returns>객체</returns> public override object ReadJson(JsonReader jsonReader, Type objectType, object existingValue, JsonSerializer jsonSerializer) { byte[] byteArray = jsonSerializer.Deserialize<byte[]>(jsonReader); return byteArray != null ? new MemoryStream(byteArray) : new MemoryStream(); } #endregion #region JSON 쓰기 - WriteJson(jsonWriter, value, jsonSerializer) /// <summary> /// JSON 쓰기 /// </summary> /// <param name="jsonWriter">JSON 라이터</param> /// <param name="value">값</param> /// <param name="jsonSerializer">JSON 직렬화기</param> public override void WriteJson(JsonWriter jsonWriter, object value, JsonSerializer jsonSerializer) { byte[] byteArray = ((MemoryStream)value).ToArray(); jsonSerializer.Serialize(jsonWriter, byteArray); } #endregion } } |
▶ Program.cs
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using System; using System.IO; using Newtonsoft.Json; namespace TestJSONStream { /// <summary> /// 프로그램 /// </summary> class Program { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region 프로그램 시작하기 - Main() /// <summary> /// 프로그램 시작하기 /// </summary> private static void Main() { Console.Title = "JsonConverter 클래스 : MemoryStream 직렬화/역직렬화하기"; string source = "Test string"; Console.WriteLine("소스 문자열 : {0}", source); string json = GetJSON(source); Console.WriteLine("JSON 문자열 : {0}", json); string target = GetString(json); Console.WriteLine("타겟 문자열 : {0}", target); Console.Read(); } #endregion #region JSON 구하기 - GetJSON(source) /// <summary> /// JSON 구하기 /// </summary> /// <param name="source">소스 문자열</param> /// <returns>JSON 문자열</returns> public static string GetJSON(string source) { MemoryStream memoryStream = new MemoryStream(); StreamWriter streamWriter = new StreamWriter(memoryStream); streamWriter.WriteLine(source); streamWriter.Flush(); memoryStream.Position = 0; string json = JsonConvert.SerializeObject(memoryStream, Formatting.None, new MemoryStreamJSONConverter()); return json; } #endregion #region 문자열 구하기 - GetString(json) /// <summary> /// 문자열 구하기 /// </summary> /// <param name="json">JSON 문자열</param> /// <returns>문자열</returns> public static string GetString(string json) { MemoryStream memoryStream = JsonConvert.DeserializeObject<MemoryStream>(json, new MemoryStreamJSONConverter()); StreamReader streamReader = new StreamReader(memoryStream); string target = streamReader.ReadLine(); return target; } #endregion } } |
TestProject.zip
[C#/COMMON/NEWTONSOFT] JObject 클래스 : JSON 문자열 구하기
■ JObject 클래스를 사용해 JSON 문자열을 구하는 방법을 보여준다. ▶ 예제 코드 (C#)
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using System.IO; using Newtonsoft.Json.Linq; JObject jObject = new JObject ( new JProperty("Halo" , 9 ), new JProperty("Starcraft" , 9 ), new JProperty("Call of Duty", 7.5) ); File.WriteAllText(@"d:\sample.json", jObject.ToString()); |
▶ sample.json
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{ "Halo": 9, "Starcraft": 9, "Call of Duty": 7.5 } |
※ Visual Studio NuGet 패키지
[C#/COMMON] JavaScriptSerializer 클래스 : Serialize 메소드를 사용해 JSON 직렬화하기
■ JavaScriptSerializer 클래스의 Serialize 메소드를 사용해 JSON을 직렬화하는 방법을 보여준다. ▶ 예제 코드 (C#)
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using System; using System.Web.Script.Serialization ; /// <summary> /// 학생 /// </summary> public class Student { /// <summary> /// ID /// </summary> public string ID; /// <summary> /// 성명 /// </summary> public string Name; /// <summary> /// 학년 /// </summary> public int Grade; } ... Student student = new Student() { ID = "A", Name = "홍길동", Grade = 3 }; JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer(); string json = javaScriptSerializer.Serialize(student); Console.WriteLine(json); |
※ System.Web.Extensions 어셈블리 참조를 설정한다.