(Node.js) QuickGetBd Example

The QuickGetBd method is called to send a GET request to download a binary target, such as PDF, zip, image file, etc. into a Chilkat BinData object.

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

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

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

    var http = new chilkat.Http();
    var bd = new chilkat.BinData();

    // Download the contents of a PDF file into the bd object.
    var success = http.QuickGetBd("https://www.chilkatsoft.com/hello.pdf",bd);
    if (success == false) {
        // This will happen if the response status code was 400 or greater,
        // or if the request could not be sent, or if no response was received.
        // 
        // In other words, success will only be true if bd contains the desired content at the URL (not an error response).
        var statusCode = http.LastStatus;
        console.log("Response status: " + statusCode);

        if (statusCode == 0) {
            // There was an error in communications.  
            console.log(http.LastErrorText);
        }
        else {
            // We received a response status code indicating failure.
            // Examine the response body.
            console.log(http.LastResponseBody);
        }

        return;
    }

    // Save the contents of bd to a file.
    // Note: This is only for the sake of this example.
    // It's better to call the Download method to download directly to a file.
    success = bd.WriteFile("qa_output/hello.pdf");
    if (success == false) {
        console.log("Failed to write output file.");
    }
    else {
        console.log("Wrote hello.pdf");
    }


}

chilkatExample();