(Unicode C++) Upload Filename with SPACE Chars to Google Cloud Storage

Demonstrates how to upload a file with SPACE chars in the name to Google Cloud Storage.

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#include <CkStringBuilderW.h>
#include <CkHttpW.h>
#include <CkHttpRequestW.h>
#include <CkHttpResponseW.h>

void ChilkatSample(void)
    {
    // This example 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 
    // scope "https://www.googleapis.com/auth/cloud-platform"

    // In this example, Get Google Cloud Storage OAuth2 Access Token, 
    // the service account access token was saved to a text file.  This example fetches the access token from the file..
    CkStringBuilderW sbToken;
    sbToken.LoadFile(L"qa_data/tokens/googleCloudStorageAccessToken.txt",L"utf-8");

    // Send a POST equivalent to this curl command.
    // The content of the file is contained in the request body.

    // curl -X POST --data-binary @[OBJECT] \
    //     -H "Authorization: Bearer [OAUTH2_TOKEN]" \
    //     -H "Content-Type: [OBJECT_CONTENT_TYPE]" \
    //     "https://www.googleapis.com/upload/storage/v1/b/[BUCKET_NAME]/o?uploadType=media&name=[OBJECT_NAME]"

    CkHttpW http;
    http.put_AuthToken(sbToken.getAsString());

    // Use %20 for the SPACE chars in the path.
    CkStringBuilderW sbPath;
    sbPath.Append(L"/upload/storage/v1/b/bucket_name/o?uploadType=media&name=file%20with%20space%20char.jpg");
    int numReplaced = sbPath.Replace(L"bucket_name",L"chilkat-ocean");

    CkHttpRequestW req;
    req.put_HttpVerb(L"POST");
    req.put_Path(sbPath.getAsString());
    req.put_ContentType(L"image/jpeg");
    // Indicate the file to be streamed in the request body when the HTTP POST is sent.
    // Use SPACE chars directly in the local file path.
    req.StreamBodyFromFile(L"qa_data/jpg/file with space char.jpg");

    CkHttpResponseW *resp = http.SynchronousRequest(L"www.googleapis.com",443,true,req);
    if (http.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    int responseCode = resp->get_StatusCode();
    if (responseCode == 401) {
        wprintf(L"%s\n",resp->bodyStr());
        wprintf(L"If invalid credentials, then it is likely the access token expired.\n");
        wprintf(L"Your app should automatically fetch a new access token and re-try.\n");
        delete resp;
        return;
    }

    wprintf(L"Response code: %d\n",responseCode);
    wprintf(L"Response body\n");
    wprintf(L"%s\n",resp->bodyStr());

    // A successful response looks like this:
    // Response code: 200
    // Response body
    // {
    //  "kind": "storage#object",
    //  "id": "chilkat-ocean/file with space char.jpg/1502643657837855",
    //  "selfLink": "https://www.googleapis.com/storage/v1/b/chilkat-ocean/o/file with space char.jpg",
    //  "name": "file with space char.jpg",
    //  "bucket": "chilkat-ocean",
    //  "generation": "1502643657837855",
    //  "metageneration": "1",
    //  "contentType": "image/jpeg",
    //  "timeCreated": "2017-08-13T17:00:57.811Z",
    //  "updated": "2017-08-13T17:00:57.811Z",
    //  "storageClass": "MULTI_REGIONAL",
    //  "timeStorageClassUpdated": "2017-08-13T17:00:57.811Z",
    //  "size": "777835",
    //  "md5Hash": "nTd7EM53jEk4s8fixjoimg==",
    //  "mediaLink": "https://www.googleapis.com/download/storage/v1/b/chilkat-ocean/o/file with space char.jpg?generation=1502643657837855&alt=media",
    //  "crc32c": "ixxYVw==",
    //  "etag": "CJ+azOvX1NUCEAE="
    // }

    delete resp;
    }