java script calling function from JS library то construct link for windows download command to save file from server to local, not sending any HTTPs through JAVA code:

function writeJar(asSourseUrl, asTargetFile) {
lock.lock();
var loUrl = new java.net.URL(asSourseUrl);
var loFos = new java.io.FileOutputStream(asTargetFile);
var loBufferInputStream = new java.io.BufferedInputStream(loUrl.openStream());
var loBufferOutputStream = new java.io.BufferedOutputStream(loFos);
var i;
while((i = loBufferInputStream.read()) != -1)
{
loBufferOutputStream.write(i);
}
loBufferInputStream.close();
loBufferOutputStream.close();
loFos.close();
lock.unlock();
}