java program to download a file from an external url

import java.io.BufferedInputStream;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.net.MalformedURLException;

import java.net.URL;

import org.apache.commons.io.FileUtils;

public class FileDownloadTest {

public static void main(String[] args) {

try {

// Make sure that this
directory exists

String dirName = "home\\sujith\\FileDownload";

System.out.println("Downloading \'Maven, Eclipse and OSGi
working together\' PDF document...");

saveFileFromUrlWithJavaIO(

dirName +
"\\maven_eclipse_and_osgi_working_together.pdf",

"https://singztechmusings.files.wordpress.com/2011/09/maven_eclipse_and_osgi_working_together.pdf");

System.out.println("Downloaded \'Maven, Eclipse and OSGi working
together\' PDF document.");

System.out.println("Downloading \'InnoQ Web Services Standards
Poster\' PDF document...");

saveFileFromUrlWithCommonsIO(

dirName +
"\\innoq_ws-standards_poster_2007-02.pdf",

"http://singztechmusings.files.wordpress.com/2011/08/innoq_ws-standards_poster_2007-02.pdf");

System.out.println("Downloaded \'InnoQ Web Services Standards
Poster\' PDF document.");

} catch (MalformedURLException
e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

// Using Java IO

public static void
saveFileFromUrlWithJavaIO(String fileName, String fileUrl)

throws
MalformedURLException, IOException {

BufferedInputStream in = null;

FileOutputStream fout = null;

try {

in = new
BufferedInputStream(new URL(fileUrl).openStream());

fout = new
FileOutputStream(fileName);

byte data[] = new
byte[1024];

int count;

while ((count =
in.read(data, 0, 1024)) != -1) {

fout.write(data, 0,
count);

}

} finally {

if (in != null)

in.close();

if (fout != null)

fout.close();

}

}

// Using Commons IO library

// Available at
http://commons.apache.org/io/download_io.cgi

public static void
saveFileFromUrlWithCommonsIO(String fileName,

String fileUrl) throws MalformedURLException, IOException
{

FileUtils.copyURLToFile(new
URL(fileUrl), new File(fileName));

}

}

//https://mvnrepository.com/artifact/commons-io/commons-io/2.4