Unicode C
Unicode C
Send JSON REST Request, Get JSON Response
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Demonstrates sending a RESTful JSON request, and receiving a JSON response. This example will create a bucket in Google Cloud Storage (which involves sending and receiving JSON).Chilkat Unicode C Downloads
#include <C_CkAuthGoogleW.h>
#include <C_CkRestW.h>
#include <C_CkJsonObjectW.h>
void ChilkatSample(void)
{
BOOL success;
HCkAuthGoogleW gAuth;
HCkRestW rest;
BOOL bAutoReconnect;
HCkJsonObjectW jsonReqBody;
HCkJsonObjectW objVersioning;
const wchar_t *jsonResponseStr;
success = FALSE;
// This example will create a bucket in Google Cloud Storage.
// It requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
gAuth = CkAuthGoogleW_Create();
// Obtain an access token as shown in one of the following examples:
// See Get Access Token using a Service Account JSON Key
// See Get Access Token using a P12 File
rest = CkRestW_Create();
// Connect using TLS.
bAutoReconnect = TRUE;
success = CkRestW_Connect(rest,L"www.googleapis.com",443,TRUE,bAutoReconnect);
// Provide the authentication credentials (i.e. the access key)
success = CkRestW_SetAuthGoogle(rest,gAuth);
// Build the JSON request body for creating a bucket.
// The only required property is the "name", but we'll add more
// to make a better example..
jsonReqBody = CkJsonObjectW_Create();
CkJsonObjectW_AppendString(jsonReqBody,L"name",L"chilkat-bucket-c");
CkJsonObjectW_AppendString(jsonReqBody,L"kind",L"storage#bucket");
CkJsonObjectW_AppendString(jsonReqBody,L"location",L"US");
objVersioning = CkJsonObjectW_Create();
CkJsonObjectW_AppendObject2(jsonReqBody,L"versioning",objVersioning);
CkJsonObjectW_AppendBool(objVersioning,L"enabled",TRUE);
// Show the HTTP request body we'll be sending.
wprintf(L"%s\n",CkJsonObjectW_emit(jsonReqBody));
// Add the required query parameter.
// See https://cloud.google.com/storage/docs/json_api/v1/buckets/insert
success = CkRestW_AddQueryParam(rest,L"project",L"chilkattest-1050");
// Add the Content-Type HTTP request header.
success = CkRestW_AddHeader(rest,L"Content-Type",L"application/json; charset=UTF-8");
jsonResponseStr = CkRestW_fullRequestString(rest,L"POST",L"/storage/v1/b",CkJsonObjectW_emit(jsonReqBody));
if (CkRestW_getLastMethodSuccess(rest) == FALSE) {
wprintf(L"%s\n",CkRestW_lastErrorText(rest));
CkAuthGoogleW_Dispose(gAuth);
CkRestW_Dispose(rest);
CkJsonObjectW_Dispose(jsonReqBody);
CkJsonObjectW_Dispose(objVersioning);
return;
}
// Show the JSON response. (See below for a sample JSON response.)
wprintf(L"Json Response: %s\n",jsonResponseStr);
// {
// "kind": "storage#bucket",
// "id": "chilkat-bucket-c",
// "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-bucket-c",
// "projectNumber": "999992999999",
// "name": "chilkat-bucket-c",
// "timeCreated": "2016-04-29T21:08:10.451Z",
// "updated": "2016-04-29T21:08:10.451Z",
// "metageneration": "1",
// "owner": {
// "entity": "project-owners-999992999999"
// },
// "location": "US",
// "versioning": {
// "enabled": true
// },
// "storageClass": "STANDARD",
// "etag": "CAE="
// }
//
CkAuthGoogleW_Dispose(gAuth);
CkRestW_Dispose(rest);
CkJsonObjectW_Dispose(jsonReqBody);
CkJsonObjectW_Dispose(objVersioning);
}