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SMCryptoUtils/SignUtil.cs
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271
SMCryptoUtils/SignUtil.cs
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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namespace SMCryptoUtils
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{
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[ClassInterface(ClassInterfaceType.None)]
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public class SignUtil:ISignUtil
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{
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private static List<string> ignoreSign = new List<string>() { "signData", "encData", "extra" };
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public string getSignText(JObject jsonObject, string appSecret)
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{
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SortedDictionary<string, string> signMap = new SortedDictionary<string, string>(StringComparer.Ordinal);
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foreach (var entry in jsonObject)
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{
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if (!string.IsNullOrEmpty(entry.Value.ToString()) && !ignoreSign.Contains(entry.Key))
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{
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signMap.Add(entry.Key, getValue(entry.Value));
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}
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}
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List<string> list = new List<string>();
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foreach (var entry in signMap)
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{
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if (!string.IsNullOrEmpty(getObjString(entry.Value)))
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{
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list.Add((string)entry.Key + "=" + (string)entry.Value + "&");
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}
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}
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int size = list.Count();
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string[] arrayToSort = (string[])list.ToArray();
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Array.Sort(arrayToSort, new CaseInsensitiveComparer());
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < size; ++i)
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{
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sb.Append(arrayToSort[i]);
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}
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string signText = sb.Append("key=").Append(appSecret).ToString();
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return signText;
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}
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public string getObjString(Object obj)
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{
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return obj == null ? "" : (string)obj;
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}
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private string getValue(Object value)
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{
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return value is string ? getObjString(value) : treeJsonParam(value);
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}
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private static string treeJsonParam(Object value)
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{
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string jsonParam = null;
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if (value is Dictionary<Object, Object>)
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{
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SortedDictionary<string, Object> treeNestedMap = new SortedDictionary<string, Object>(StringComparer.Ordinal);
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Dictionary<Object, Object> nestedMap = (Dictionary<Object, Object>)value;
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foreach (var entry in nestedMap)
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{
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treeNestedMap.Add(entry.Key.ToString(), entry.Value);
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}
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jsonParam = JsonConvert.SerializeObject(treeParams(treeNestedMap), Formatting.None);
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}
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else if (value is List<Object>)
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{
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List<Object> ar = (List<Object>)value;
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jsonParam = JsonConvert.SerializeObject(treeList(ar), Formatting.None);
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}
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else if (value is JObject)
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{
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SortedDictionary<string, Object> treeNestedMap = new SortedDictionary<string, Object>(StringComparer.Ordinal);
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JObject nestedMap = (JObject)value;
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foreach (var entry in nestedMap)
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{
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treeNestedMap.Add(entry.Key.ToString(), entry.Value);
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}
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jsonParam = JsonConvert.SerializeObject(treeParams(treeNestedMap), Formatting.None);
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}
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else if (value is JArray)
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{
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JArray jarr = (JArray)value;
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jsonParam = JsonConvert.SerializeObject(treeJsonArray(jarr), Formatting.None);
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}
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else if (value is JValue)
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{
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JValue jval = (JValue)value;
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if (jval != null)
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jsonParam = jval.Value.ToString();
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}
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else if (value is JProperty)
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{
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SortedDictionary<string, Object> treeNestedMap = new SortedDictionary<string, Object>(StringComparer.Ordinal);
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JProperty nestedMap = (JProperty)value;
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treeNestedMap.Add(nestedMap.Name, nestedMap.Value);
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jsonParam = JsonConvert.SerializeObject(treeParams(treeNestedMap), Formatting.None);
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}
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else
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{
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jsonParam = value.ToString();
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}
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return jsonParam;
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}
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private static SortedDictionary<string, Object> treeParams(SortedDictionary<string, Object> param)
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{
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if (param == null)
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{
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return new SortedDictionary<string, Object>(StringComparer.Ordinal);
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}
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else
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{
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SortedDictionary<string, Object> treeParam = new SortedDictionary<string, Object>(StringComparer.Ordinal);
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while (true)
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{
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foreach (var entry in param)
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{
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string key = (string)entry.Key;
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Object value = entry.Value;
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if (value is Dictionary<Object, Object>)
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{
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SortedDictionary<string, Object> treeNestedMap = new SortedDictionary<string, Object>(StringComparer.Ordinal);
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Dictionary<Object, Object> nestedMap = (Dictionary<Object, Object>)value;
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foreach (var nestedEntry in nestedMap)
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{
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treeNestedMap.Add(nestedEntry.Key.ToString(), nestedEntry.Value);
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}
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treeParam.Add(key, treeParams(treeNestedMap));
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}
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else if (value is List<Object>)
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{
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List<Object> ar = (List<Object>)value;
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treeParam.Add(key, treeList(ar));
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}
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else if (value is JArray)
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{
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JArray ar = (JArray)value;
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treeParam.Add(key, treeJsonArray(ar));
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}
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else if (value is JObject)
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{
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SortedDictionary<string, Object> treeNestedMap = new SortedDictionary<string, Object>(StringComparer.Ordinal);
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JObject nestedMap = (JObject)value;
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foreach (var nestedEntry in nestedMap)
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{
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treeNestedMap.Add(nestedEntry.Key.ToString(), nestedEntry.Value);
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}
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treeParam.Add(key, treeParams(treeNestedMap));
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}
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else if (value is JValue)
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{
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JValue jval = (JValue)value;
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if (jval != null && !string.IsNullOrEmpty(jval.ToString()))
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treeParam.Add(key, jval.ToString());
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}
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else if (value is JProperty)
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{
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SortedDictionary<string, Object> treeNestedMap = new SortedDictionary<string, Object>(StringComparer.Ordinal);
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JProperty nestedMap = (JProperty)value;
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treeNestedMap.Add(nestedMap.Name, nestedMap.Value);
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treeParam.Add(key, treeParams(treeNestedMap));
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}
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else if (!"".Equals(value) && value != null)
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{
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treeParam.Add(key, value.ToString());
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}
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}
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return treeParam;
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}
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}
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}
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private static List<Object> treeList(List<Object> list)
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{
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if (list != null && list.Count() != 0)
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{
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JArray jsonArray = new JArray();
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int size = list.Count();
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for (int i = 0; i < size; ++i)
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{
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jsonArray.Add(list[i]);
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}
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return treeJsonArray(jsonArray);
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}
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else
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{
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return null;
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}
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}
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private static List<Object> treeJsonArray(JArray jarr)
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{
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if (jarr != null && jarr.Count() != 0)
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{
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List<Object> jsonArray = new List<Object>();
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int size = jarr.Count();
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for (int i = 0; i < size; ++i)
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{
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Object value = jarr[i];
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if (value is List<Object>)
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{
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List<Object> ar = (List<Object>)value;
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jsonArray.Add(treeList(ar));
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}
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else if (value is JArray)
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{
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JArray ar = (JArray)value;
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jsonArray.Add(treeJsonArray(ar));
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}
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else if (value is JObject)
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{
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SortedDictionary<string, Object> treeNestedMap = new SortedDictionary<string, Object>(StringComparer.Ordinal);
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JObject nestedMap = (JObject)value;
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foreach (var nestedEntry in nestedMap)
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{
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treeNestedMap.Add(nestedEntry.Key.ToString(), nestedEntry.Value);
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}
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jsonArray.Add(treeParams(treeNestedMap));
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}
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else if (value is JValue)
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{
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JValue jval = (JValue)value;
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if (jval != null && !string.IsNullOrEmpty(jval.ToString()))
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jsonArray.Add(jval.ToString());
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}
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else if (value is JProperty)
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{
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SortedDictionary<string, Object> treeNestedMap = new SortedDictionary<string, Object>(StringComparer.Ordinal);
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JProperty nestedMap = (JProperty)value;
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treeNestedMap.Add(nestedMap.Name, nestedMap.Value);
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jsonArray.Add(treeParams(treeNestedMap));
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}
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else if (!"".Equals(value))
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{
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jsonArray.Add(value.ToString());
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}
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}
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return jsonArray;
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}
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else
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{
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return null;
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}
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}
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}
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}
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