ImageDownloader.java

package ac.essex.ooechs.imaging.commons.apps.multiple; 
 
 
import ac.essex.ooechs.imaging.commons.PixelLoader; 
import ac.essex.ooechs.imaging.commons.Resizer; 
import ac.essex.ooechs.imaging.commons.ImageWindow;
 
import java.io.File; 
import java.io.InputStream; 
import java.io.FileOutputStream; 
import java.io.FileNotFoundException; 
import java.net.URL; 
import java.text.DecimalFormat; 
import java.util.Date; 
 
class ImageDownloader extends Thread { 
 
    public static final File SAVE_TO = new File("/home/ooechs/Desktop/building"); 
 
        String httpURL; 
        String filename; 
 
    public static void main(String[] args) { 
        try { 
        DecimalFormat f = new DecimalFormat("000"); 
        String prefix = "18feb"; 
        int count = 0; 
        for (int i = 0; i < 100; i++) { 
            new ImageDownloader("http://emcam1nd/record/current.jpg", prefix + "_" + f.format(count) + ".jpg").start(); 
            Thread.sleep(500); 
            count++; 
        } 
        } catch (Exception e) { 
            e.printStackTrace(); 
        } 
    } 
 
        public ImageDownloader(String httpURL, String filename) { 
            this.httpURL = httpURL; 
            this.filename = filename; 
        } 
 
        public void run() { 
 
            long start = System.currentTimeMillis(); 
 
            try { 
 
                // ensure the save directory exists, otherwise create it. 
                File directory = SAVE_TO; 
                if (!directory.exists()) { 
                    System.out.println("Creating directory: " + SAVE_TO); 
                    directory.mkdirs(); 
                } 
 
                String Imagefilename = httpURL.substring(httpURL.lastIndexOf('/') + 1).toLowerCase(); 
                if (Imagefilename.endsWith("gif")) return; 
 
                System.out.println("Downloading: " + httpURL); 
 
                // create the url 
                URL url = new URL(httpURL); 
                InputStream in = url.openStream(); 
 
                File file = new File(directory, filename); 
                FileOutputStream out = new FileOutputStream(file); 
 
                byte[] b = new byte[1024]; 
                int len; 
                while ((len = in.read(b)) != -1) { 
                    out.write(b, 0, len); 
                } 
                out.close(); 
 
                System.out.println("Saved: " + filename); 
 
                PixelLoader image = new PixelLoader(file); 
 
                if (!image.loadedOK) { 
 
                    file.delete(); 
 
                } 
 
            } catch (FileNotFoundException fe) { 
                System.err.println("File Not Found: " + httpURL); 
            } catch (Exception e) { 
                System.err.println("Exception caught: " + e.getMessage()); 
            } finally { 
            } 
 
            System.out.println("Time taken: " + (System.currentTimeMillis() - start)); 
             
        } 
 
 
 
    }