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(Unicode C) List Files in Google DriveDemonstrates how to list files in Google Drive. See Google Drive Files list for more optional HTTP parameters.
#include <C_CkAuthGoogleW.h> #include <C_CkRestW.h> #include <C_CkJsonObjectW.h> void ChilkatSample(void) { BOOL success; HCkAuthGoogleW gAuth; HCkRestW rest; BOOL bAutoReconnect; const wchar_t *jsonResponse; HCkJsonObjectW json; int numFiles; int i; success = TRUE; // It requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This example uses a previously obtained access token having permission for the // Google Drive scope. gAuth = CkAuthGoogleW_Create(); CkAuthGoogleW_putAccessToken(gAuth,L"GOOGLE-DRIVE-ACCESS-TOKEN"); 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 token) CkRestW_SetAuthGoogle(rest,gAuth); // Get 4 results per page. (The default page size is 100, with a max of 1000. CkRestW_AddQueryParam(rest,L"pageSize",L"4"); // This uses the Google Drive V3 API... (not V2) jsonResponse = CkRestW_fullRequestNoBody(rest,L"GET",L"/drive/v3/files"); if (CkRestW_getLastMethodSuccess(rest) != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkAuthGoogleW_Dispose(gAuth); CkRestW_Dispose(rest); return; } // A successful response will have a status code equal to 200. if (CkRestW_getResponseStatusCode(rest) != 200) { wprintf(L"request header = %s\n",CkRestW_lastRequestHeader(rest)); wprintf(L"response status code = %d\n",CkRestW_getResponseStatusCode(rest)); wprintf(L"response status text = %s\n",CkRestW_responseStatusText(rest)); wprintf(L"response header: %s\n",CkRestW_responseHeader(rest)); wprintf(L"response JSON: %s\n",jsonResponse); CkAuthGoogleW_Dispose(gAuth); CkRestW_Dispose(rest); return; } // A successful response looks like this: // { // "kind": "drive#fileList", // "files": [ // { // "kind": "drive#file", // "id": "0B53Q6OSTWYolenpjTEU4ekJlQUU", // "name": "test", // "mimeType": "application/vnd.google-apps.folder" // }, // { // "kind": "drive#file", // "id": "0B53Q6OSTWYolRm4ycjZtdXhRaEE", // "name": "starfish4.jpg", // "mimeType": "image/jpeg" // }, // { // "kind": "drive#file", // "id": "0B53Q6OSTWYolMWt2VzN0Qlo1UjA", // "name": "hamlet2.xml", // "mimeType": "text/xml" // }, // ... // { // "kind": "drive#file", // "id": "0B53Q6OSTWYolc3RhcnRlcl9maWxlX2Rhc2hlclYw", // "name": "Getting started", // "mimeType": "application/pdf" // } // ] // } // Iterate over each file in the response and show the name, id, and mimeType. json = CkJsonObjectW_Create(); CkJsonObjectW_Load(json,jsonResponse); // Show the full JSON response. CkJsonObjectW_putEmitCompact(json,FALSE); wprintf(L"%s\n",CkJsonObjectW_emit(json)); numFiles = CkJsonObjectW_SizeOfArray(json,L"files"); i = 0; while (i < numFiles) { CkJsonObjectW_putI(json,i); wprintf(L"name: %s\n",CkJsonObjectW_stringOf(json,L"files[i].name")); wprintf(L"id: %s\n",CkJsonObjectW_stringOf(json,L"files[i].id")); wprintf(L"mimeType: %s\n",CkJsonObjectW_stringOf(json,L"files[i].mimeType")); wprintf(L"-\n"); i = i + 1; } CkAuthGoogleW_Dispose(gAuth); CkRestW_Dispose(rest); CkJsonObjectW_Dispose(json); } |
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