import java.net.*;
import java.io.*;
import java.util.*;
import javax.imageio.*;
import javax.imageio.stream.*;
import java.awt.image.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;


public class KW2006 {
    static boolean KW( String link, String ziel ) {
	try {
	    System.out.println("Trying URL " + link + "...");
	    URL url = new URL( link );
	    URLConnection conn = url.openConnection();
	    
	    if(! conn.getContentType().toString().equals( "image/jpeg" ) ) {
		System.out.println( "Not a jpeg: " + conn.getContentType());
		return false;
	    }

// 	    BufferedReader in = new BufferedReader( new InputStreamReader( conn.getInputStream() ) );
// 	    String line;
// 	    while( ( line = in.readLine() ) != null ) {
// 		System.out.println( line );
// 	    }
	    
	    BufferedImage image = ImageIO.read( url );
	    return ImageIO.write( image, "jpeg", new File( ziel ) );
	    
	} catch( Exception ex ) {
	    ex.printStackTrace();
	    return false;
	}
    }

    public static void main( String args[]) {
	System.out.println( "Erfolg: " + KW( args[0], args[1] ) );
    }
}