FileCopier

package com.aastocks.tradeGateway.io;

import java.io.*;

public class FileCopier {

  /*
  Copy a single file or copy all files from a source directory to a destination
  directory.
  */
  public static void copy(File src, File dest)
      throws IOException {
    if (src.isDirectory()) {
      dest.mkdirs();
      String list[] = src.list();

      for (int i = 0; i < list.length; i++) {
        String dest1 = dest.getPath() + File.separator + list[i];
        String src1 = src.getPath() + File.separator + list[i];
        copy(new File(src1), new File(dest1));
      }
    } else {
      FileInputStream fin = new FileInputStream(src);
      FileOutputStream fout = new FileOutputStream(dest);
      StreamCopier.copy(fin, fout);
      fin.close();
      fout.close();
    }
  }
}

class StreamCopier {

  public static void copy(InputStream in, OutputStream out)
      throws IOException {
    synchronized (in) {
      synchronized (out) {
        byte[] buffer = new byte[256];
        while (true) {
          int bytesRead = in.read(buffer);
          if (bytesRead == -1) break;
          out.write(buffer, 0, bytesRead);
        }
      }
    }
  }

}