code: public static boolean unpackEntry(ZipFile zf, String name, File file) {
      try {
        return doUnpackEntry(zf, name, file);
      }
      catch (IOException e) {
        throw ZipExceptionUtil.rethrow(e);
      }
    }
docs: Unpacks a single file from a ZIP archive to a file.
  
  @param zf
  ZIP file.
  @param name
  entry name.
  @param file
  target file to be created or overwritten.
  @return <code>true</code> if the entry was found and unpacked,
  <code>false</code> if the entry was not found.