(JavaScript) Example: Http.ResumeDownload method

Demonstrates the ResumeDownload method.

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;

var http = new CkHttp();
http.KeepResponseBody = true;

// To demonstrate resuming a download, we've created a file on the chilkatsoft.com
// web server that contains the first 82,379 bytes of the full  279,658 bytes of the hamlet.xml file.

// We'll first download the partial file, and pretend it was a previous incomplete attempt to download the entire file.
var localFilePath = "c:/temp/qa_output/hamlet.xml";
success = http.Download("https://www.chilkatsoft.com/testData/hamlet_partial.xml",localFilePath);
if (success == false) {
    console.log(http.LastErrorText);
    return;
}

// Download the remainder of hamlet.xml.
success = http.ResumeDownload("https://www.chilkatsoft.com/testData/hamlet.xml",localFilePath);
var statusCode = http.LastStatus;
if (success == false) {
    if (statusCode == 0) {
        // Unable to either send the request or get the response.
        console.log(http.LastErrorText);
    }
    else {
        // We got a response, but the status code was not in the 200s
        console.log("Response status code: " + statusCode);
        // Examine the response body.
        console.log("Response body:");
        console.log(http.LastResponseBody);
    }

    console.log("Download failed.");

}
else {
    console.log("Download success, response status = " + statusCode);
}

// The hamlet.xml file should be 279,658 bytes
var fac = new CkFileAccess();
console.log("size of hamlet.xml: " + fac.FileSize(localFilePath));

console.log("Success.");