(JavaScript) REST Download Binary File to Memory

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Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

var success = false;

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

var rest = new CkRest();

// 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

var pathPartOfUrl = "/sample_data/sample.doc";
var domain = "chilkatdownload.com";

var bTls = true;
var port = 443;
var bAutoReconnect = true;
success = rest.Connect(domain,port,bTls,bAutoReconnect);
if (success !== true) {
    console.log(rest.LastErrorText);
    return;
}

var bd = new CkBinData();
success = rest.FullRequestNoBodyBd("GET",pathPartOfUrl,bd);
if (success !== true) {
    console.log(rest.LastErrorText);
    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.ResponseStatusCode !== 200) {
    var sbErrorText = new CkStringBuilder();
    sbErrorText.AppendBd(bd,"utf-8",0,0);
    console.log(sbErrorText.GetAsString());
    console.log("-- Failed.");
    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) {
    console.log("Failed to save to local file.");
    return;
}

console.log("REST Download of MS-Word File was successful.");