DownloadFileFromURL.java Source code

Introduction

Here is the source code for DownloadFileFromURL.java

Source

import org.apache.commons.io.FilenameUtils;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;

/*
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 * and open the template in the editor.
 */

/**
 *
 * @author Simeon
 */
public class DownloadFileFromURL {
    static URL url, url2, url3;
    static URLConnection con, con2, con3;
    static DataInputStream dis;
    static FileOutputStream fos;
    static byte[] fileData;
    static ArrayList<String> urlList = new ArrayList<>(25);

    public static void main(String[] args) throws Exception {

        urlList.add("http://downloads.solarwinds.com/solarwinds/Release/Management/pg11.TXT");
        urlList.add("http://downloads.solarwinds.com/solarwinds/Release/Management/lorem.TXT");
        urlList.add("http://downloads.solarwinds.com/solarwinds/Release/Management/pg1661.TXT");
        urlList.add("http://downloads.solarwinds.com/solarwinds/Release/Management/cacerts");
        urlList.add("http://downloads.solarwinds.com/solarwinds/Release/Management/eula.rtf");
        urlList.add("http://downloads.solarwinds.com/solarwinds/Release/Management/Story.JPG");
        urlList.add("http://downloads.solarwinds.com/solarwinds/Release/Management/solarwinds.png");

        for (int iUrl = 0; iUrl < urlList.size(); iUrl++) {

            try {
                String urlString = urlList.get(iUrl);
                //All File Locations go here
                url = new URL(urlString);

            } catch (MalformedURLException ex) {
                Logger.getLogger(DownloadFileFromURL.class.getName()).log(Level.SEVERE, null, ex);
            }

            try {
                // open all the url connections here.
                con = url.openConnection();

            } catch (IOException ex) {
                Logger.getLogger(DownloadFileFromURL.class.getName()).log(Level.SEVERE, null, ex);
            }

            dis = new DataInputStream(con.getInputStream());
            fileData = new byte[con.getContentLength()];

            for (int q = 0; q < fileData.length; q++) {
                fileData[q] = dis.readByte();
            }
            dis.close(); // close the data input stream               

            String fName = FilenameUtils.getName(url.getPath());

            fos = new FileOutputStream(new File(fName)); //FILE Save Location goes here
            fos.write(fileData); // write out the file we want to save.
            fos.close(); // close the output stream writer       

        } // end of for

    }

}