C++

REST Download Binary File to Memory

See more REST Examples

Download a binary file to a Chilkat BinData object. C++

#include <CkRest.h>
#include <CkBinData.h>
#include <CkStringBuilder.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkRest rest;

    // We're going to download a sample MS-Word doc file.
    // The URLs of our MS-Word sample documents are:

    // https://www.chilkatdownload.com/sample_data/sample.doc
    // https://www.chilkatdownload.com/sample_data/sample.docx

    const char *pathPartOfUrl = "/sample_data/sample.doc";
    const char *domain = "chilkatdownload.com";

    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    success = rest.Connect(domain,port,bTls,bAutoReconnect);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    CkBinData bd;
    success = rest.FullRequestNoBodyBd("GET",pathPartOfUrl,bd);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    // A 200 response is expected for actual success.
    // If we don't get a 200 response, then the response body was not actually
    // the file data, but it was text containing error information.
    if (rest.get_ResponseStatusCode() != 200) {
        CkStringBuilder sbErrorText;
        sbErrorText.AppendBd(bd,"utf-8",0,0);
        std::cout << sbErrorText.getAsString() << "\r\n";
        std::cout << "-- Failed." << "\r\n";
        return;
    }

    // Save to a local file.
    // Change the file path based on your operating system or needs...
    success = bd.WriteFile("c:/temp/qa_output/sample.doc");
    if (success != true) {
        std::cout << "Failed to save to local file." << "\r\n";
        return;
    }

    std::cout << "REST Download of MS-Word File was successful." << "\r\n";
    }