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(Unicode C) Load JSON Object from HTTP Response BodyDemonstrates how to load the HTTP response body directly into a JSON object. Note: This example requires Chilkat v9.5.0.89 or greater because it uses the GetBodyJson method. Prior to v9.5.0.89, and application would need to first copy the HTTP response body to a Chilkat StringBuilder object by calling GetBodySb, and then load the JSON object by calling LoadSb.
#include <C_CkHttpW.h> #include <C_CkHttpResponseW.h> #include <C_CkJsonObjectW.h> void ChilkatSample(void) { HCkHttpW http; BOOL success; HCkHttpResponseW resp; HCkJsonObjectW json; http = CkHttpW_Create(); resp = CkHttpW_PText(http,L"GET",L"https://www.chilkatsoft.com/exampledata/sample.json",L"",L"",L"",FALSE,FALSE); if (CkHttpW_getLastMethodSuccess(http) == FALSE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkHttpW_Dispose(http); return; } // A JSON object is JSON that begins with "{" and ends with "}" json = CkJsonObjectW_Create(); // If we wish to transfer (instead of copy) the JSON from the HttpResponse to the JsonObject, then add the keyword "TakeResponseBody" to UncommonOptions // This could save memory for extremely large JSON responses. CkHttpResponseW_putUncommonOptions(resp,L"TakeResponseBody"); CkHttpResponseW_GetBodyJson(resp,json); CkJsonObjectW_putEmitCompact(json,FALSE); wprintf(L"%s\n",CkJsonObjectW_emit(json)); // Note: If UncommonOptions contained "TakeResponseBody", then the response BodyStr will now be empty: wprintf(L"----\n"); wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp)); CkHttpResponseW_Dispose(resp); CkHttpW_Dispose(http); CkJsonObjectW_Dispose(json); } |
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