(Node.js) Example: Http.ResumeDownload method

Demonstrates the ResumeDownload method.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOS

var os = require('os');
if (os.platform() == 'win32') {  
  var chilkat = require('@chilkat/ck-node23-win64'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node23-linux-arm');
    } else if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node23-linux-arm64');
    } else {
        var chilkat = require('@chilkat/ck-node23-linux-x64');
    }
} else if (os.platform() == 'darwin') {
  var chilkat = require('@chilkat/ck-node23-mac-universal');
}

function chilkatExample() {

    var success = false;

    var http = new chilkat.Http();
    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 chilkat.FileAccess();
    console.log("size of hamlet.xml: " + fac.FileSize(localFilePath));

    console.log("Success.");

}

chilkatExample();