code: static ZipOutputStream zipEntry(File zipDirectory, File path, ZipOutputStream outputStream) {
      return zipEntry(newZipEntry(zipDirectory, path), outputStream);
    }
docs: Zips the contents of the individual {@link File file system path} to the supplied {@link ZipOutputStream}.
  
  @param zipDirectory {@link File directory} being zipped.
  @param path {@link File} to zip and add to the supplied {@link ZipOutputStream}.
  @param outputStream {@link ZipOutputStream} used to zip the contents of the given {@link File path}.
  @return the given {@link ZipOutputStream}.
  @throws SystemException if {@link File path} could not be zipped and added to the supplied {@link ZipOutputStream}.
  @see #zipEntry(ZipEntry, ZipOutputStream)
  @see java.util.zip.ZipOutputStream
  @see java.io.File