public class FileOutputStream extends OutputStream {
  private int fd;

  public FileOutputStream(String pathname) {
    fd=nativeOpen(pathname.getBytes());
  }

  public FileOutputStream(String pathname, boolean append) {
    if(append)
      fd=nativeAppend(pathname.getBytes());
    else
      fd=nativeOpen(pathname.getBytes());
  }

  public FileOutputStream(String pathname, int mode) {
    if(mode==0)
      fd=nativeAppend(pathname.getBytes());
    if(mode==1)
      fd=nativeOpen(pathname.getBytes());
  }

  public FileOutputStream(File path) {
    fd=nativeOpen(path.getPath().getBytes());
  }

  public FileOutputStreamOpen(String pathname) {
    fd = nativeOpen(pathname.getBytes());
  }

  private static native int nativeOpen(byte[] filename);
  private static native int nativeAppend(byte[] filename);
  private static native void nativeWrite(int fd, byte[] array, int off, int len);
  private static native void nativeClose(int fd);
  private static native void nativeFlush(int fd);

  public void write(int ch) {
    byte b[]=new byte[1];
    b[0]=(byte)ch;
    write(b);
  }

  public void write(byte[] b) {
    nativeWrite(fd, b, 0, b.length);
  }

  public void write(byte[] b, int index, int len) {
    nativeWrite(fd, b, index, len);
  }

  public void flush() {
    nativeFlush(fd);
  }

  public void close() {
    nativeClose(fd);
  }
}