Copy InputStream to OutputStream

gistfile1.java

public class CopyStream implements Runnable {

        private InputStream  in;
        private OutputStream out;

        public CopyStream(InputStream in, OutputStream out) {
            this.in  = new BufferedInputStream(in);
            this.out = new BufferedOutputStream(out);
        }

        public void run() {
            try {
                byte[] buf = new byte[2048];

                int n = 0;
                while ((n = in.read(buf)) > -1) {
                    out.write(buf, 0, n);
                    out.flush();
                }
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }