Java: How to Save / Download a File Available at a Particular URL Location on the Internet?
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Join For Freepackage singz.test; 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; /* * @author Singaram Subramanian */ public class FileDownloadTest { public static void main(String[] args) { // Make sure that this directory exists String dirName = "C:\\FileDownload"; try { System.out.println("Downloading \'Maven, Eclipse and OSGi working together\' PDF document..."); saveFileFromUrlWithJavaIO( dirName + "\\maven_eclipse_and_osgi_working_together.pdf", "http://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)); } }
Java (programming language)
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Internet (web browser)
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