using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Xml;
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using QimenCloud.Api.Parser;
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using Top.Api;
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using Top.Api.Parser;
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using Top.Api.Util;
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using FastJSON;
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using System.Collections;
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using XmlWriter = Top.Api.Util.XmlWriter;
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namespace QimenCloud.Api
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{
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public class DefaultQimenCloudClient : IQimenCloudClient
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{
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internal string serverUrl;
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internal string appKey;
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internal string appSecret;
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internal string format = Constants.FORMAT_JSON;
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internal string signMethod = Constants.SIGN_METHOD_HMAC_SHA256;
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internal WebUtils webUtils;
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internal ITopLogger topLogger;
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internal bool disableParser = false; // 禁用响应结果解释
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internal bool disableTrace = false; // 禁用日志调试功能
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internal bool useGzipEncoding = true; // 是否启用响应GZIP压缩
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internal IDictionary<string, string> systemParameters; // 设置所有请求共享的系统级参数
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#region DefaultQimenCloudClient Constructors
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public DefaultQimenCloudClient(string serverUrl, string appKey, string appSecret)
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{
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this.appKey = appKey;
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this.appSecret = appSecret;
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this.serverUrl = serverUrl;
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this.webUtils = new WebUtils();
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this.topLogger = Log.Instance;
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}
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public DefaultQimenCloudClient(string serverUrl, string appKey, string appSecret, string format)
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: this(serverUrl, appKey, appSecret)
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{
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this.format = format;
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}
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#endregion
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public void SetTimeout(int timeout)
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{
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this.webUtils.Timeout = timeout;
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}
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public void SetReadWriteTimeout(int readWriteTimeout)
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{
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this.webUtils.ReadWriteTimeout = readWriteTimeout;
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}
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public void SetSignMethod(String signMethod)
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{
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this.signMethod = signMethod;
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}
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public void SetDisableParser(bool disableParser)
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{
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this.disableParser = disableParser;
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}
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public void SetDisableTrace(bool disableTrace)
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{
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this.disableTrace = disableTrace;
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}
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public void SetUseGzipEncoding(bool useGzipEncoding)
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{
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this.useGzipEncoding = useGzipEncoding;
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}
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public void SetIgnoreSSLCheck(bool ignore)
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{
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this.webUtils.IgnoreSSLCheck = ignore;
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}
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public void SetSystemParameters(IDictionary<string, string> systemParameters)
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{
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this.systemParameters = systemParameters;
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}
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#region ITopClient Members
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public virtual T Execute<T>(IQimenCloudRequest<T> request) where T : QimenCloudResponse
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{
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return DoExecute<T>(request, null, DateTime.Now);
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}
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public virtual T Execute<T>(IQimenCloudRequest<T> request, string session) where T : QimenCloudResponse
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{
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return DoExecute<T>(request, session, DateTime.Now);
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}
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public virtual T Execute<T>(IQimenCloudRequest<T> request, string session, DateTime timestamp) where T : QimenCloudResponse
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{
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return DoExecute<T>(request, session, timestamp);
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}
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#endregion
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private T DoExecute<T>(IQimenCloudRequest<T> request, string session, DateTime timestamp) where T : QimenCloudResponse
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{
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long start = DateTime.Now.Ticks;
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// 提前检查业务参数
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try
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{
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request.Validate();
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}
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catch (TopException e)
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{
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return CreateErrorResponse<T>(e.ErrorCode, e.ErrorMsg);
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}
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// 兼容 老奇门1.0 的 XML BODY
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String apiBody = null;
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Object[] requestXmlBodyType = request.GetType().GetCustomAttributes(typeof(RequestXmlBodyAttribute), false);
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Boolean isXmlBody = (requestXmlBodyType != null && requestXmlBodyType.Length > 0);
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if (isXmlBody)
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{
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XmlWriter writer = new XmlWriter(Constants.QM_ROOT_TAG_REQ, typeof(IQimenCloudRequest<T>));
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apiBody = writer.Write(request);
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}
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// 添加协议级请求参数
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TopDictionary txtParams = new TopDictionary(request.GetParameters());
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txtParams.Add(Constants.METHOD, request.GetApiName());
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txtParams.Add(Constants.SIGN_METHOD, signMethod);
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txtParams.Add(Constants.APP_KEY, appKey);
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txtParams.Add(Constants.FORMAT, format);
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txtParams.Add(Constants.VERSION, "2.0");
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txtParams.Add(Constants.PARTNER_ID, GetSdkVersion());
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txtParams.Add(Constants.TIMESTAMP, timestamp);
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txtParams.Add(Constants.TARGET_APP_KEY, request.GetTargetAppKey());
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txtParams.Add(Constants.SESSION, session);
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txtParams.AddAll(this.systemParameters);
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// 添加签名参数
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if (isXmlBody)
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{
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txtParams.Add(Constants.SIGN, TopUtils.SignTopRequest(txtParams, apiBody, appSecret, signMethod));
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}
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else
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{
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txtParams.Add(Constants.SIGN, TopUtils.SignTopRequest(txtParams, appSecret, signMethod));
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}
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// 添加头部参数
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if (this.useGzipEncoding)
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{
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request.GetHeaderParameters()[Constants.ACCEPT_ENCODING] = Constants.CONTENT_ENCODING_GZIP;
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}
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string realServerUrl = GetServerUrl(this.serverUrl, request.GetApiName(), session);
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string reqUrl;
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if (isXmlBody)
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{
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reqUrl = WebUtils.BuildRequestUrl(realServerUrl, txtParams);
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}
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else
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{
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reqUrl = WebUtils.BuildRequestUrl(realServerUrl, txtParams);
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}
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try
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{
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string body;
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if (isXmlBody)
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{
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body = webUtils.DoPost(reqUrl, Encoding.UTF8.GetBytes(apiBody), Constants.QM_CONTENT_TYPE, request.GetHeaderParameters());
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}
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else
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{
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body = webUtils.DoPost(realServerUrl, txtParams, request.GetHeaderParameters());
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}
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// 解释响应结果
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T rsp;
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if (disableParser)
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{
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rsp = Activator.CreateInstance<T>();
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rsp.Body = body;
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rsp.RequestUrl = reqUrl;
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}
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else
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{
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if (Constants.FORMAT_XML.Equals(format))
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{
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ITopParser<T> tp = new QimenCloudXmlParser<T>();
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rsp = tp.Parse(body);
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}
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else
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{
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ITopParser<T> tp = new QimenCloudSimplifyJsonParser<T>();
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rsp = tp.Parse(body);
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}
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rsp.RequestUrl = reqUrl;
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}
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// 追踪错误的请求
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if (rsp.IsError)
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{
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TimeSpan latency = new TimeSpan(DateTime.Now.Ticks - start);
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TraceApiError(appKey, request.GetApiName(), serverUrl, txtParams, latency.TotalMilliseconds, rsp.Body);
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}
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return rsp;
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}
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catch (Exception e)
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{
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TimeSpan latency = new TimeSpan(DateTime.Now.Ticks - start);
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TraceApiError(appKey, request.GetApiName(), serverUrl, txtParams, latency.TotalMilliseconds, e.GetType() + ": " + e.Message);
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throw e;
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}
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}
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internal virtual string GetServerUrl(string serverUrl, string apiName, string session)
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{
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return serverUrl;
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}
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internal virtual string GetSdkVersion()
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{
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return Constants.SDK_VERSION;
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}
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internal T CreateErrorResponse<T>(string errCode, string errMsg) where T : QimenCloudResponse
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{
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T rsp = Activator.CreateInstance<T>();
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rsp.Code = errCode;
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rsp.Message = errMsg;
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if (Constants.FORMAT_XML.Equals(format))
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{
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XmlDocument root = new XmlDocument();
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XmlElement bodyE = root.CreateElement(Constants.ERROR_RESPONSE);
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XmlElement codeE = root.CreateElement(Constants.ERROR_CODE);
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codeE.InnerText = errCode;
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bodyE.AppendChild(codeE);
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XmlElement msgE = root.CreateElement(Constants.ERROR_MSG);
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msgE.InnerText = errMsg;
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bodyE.AppendChild(msgE);
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root.AppendChild(bodyE);
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rsp.Body = root.OuterXml;
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}
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else
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{
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IDictionary<string, object> errObj = new Dictionary<string, object>();
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errObj.Add(Constants.ERROR_CODE, errCode);
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errObj.Add(Constants.ERROR_MSG, errMsg);
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IDictionary<string, object> root = new Dictionary<string, object>();
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root.Add(Constants.ERROR_RESPONSE, errObj);
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string body = JSON.ToJSON(root);
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rsp.Body = body;
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}
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return rsp;
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}
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internal void TraceApiError(string appKey, string apiName, string url, Dictionary<string, string> parameters, double latency, string errorMessage)
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{
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if (!disableTrace)
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{
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this.topLogger.TraceApiError(appKey, apiName, url, parameters, latency, errorMessage);
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}
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}
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}
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}
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