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C++

Box.com Download Binary File to Memory

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Retrieves the actual data of the file into a memory (not to a local file).

Chilkat C++ Downloads

C++
#include <CkHttp.h>
#include <CkBinData.h>

void ChilkatSample(void)
    {
    bool success = false;

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http;
    http.put_KeepResponseBody(true);

    // Provide a previously obtained OAuth2 access token.
    // See Get Box OAuth2 Access Token.
    http.put_AuthToken("BOX_ACCESS_TOKEN");

    http.put_FollowRedirects(true);

    // The file is specified by the file ID.
    // In this case, we're downloading a file with FILE_ID = 283371752129.
    // The general form of the URL for downloading is: https://api.box.com/2.0/files/FILE_ID/content
    CkBinData bd;
    success = http.DownloadBd("https://api.box.com/2.0/files/283371752129/content",bd);
    int statusCode = http.get_LastStatus();
    if (success == false) {
        if (statusCode == 0) {
            // Unable to either send the request or get the response.
            std::cout << http.lastErrorText() << "\r\n";
        }
        else {
            // We got a response, but the status code was not in the 200s
            std::cout << "Response status code: " << statusCode << "\r\n";
            // Examine the response body.
            std::cout << "Response body:" << "\r\n";
            std::cout << http.lastResponseBody() << "\r\n";
        }

        std::cout << "Download failed." << "\r\n";

    }
    else {
        std::cout << "Downloaded tigers.jpeg into an object holding the binary data." << "\r\n";

        std::cout << "Number of bytes: " << bd.get_NumBytes() << "\r\n";
    }
    }