code: public static boolean handle(InputStream is, String name, ZipEntryCallback action) {
      SingleZipEntryCallback helper = new SingleZipEntryCallback(name, action);
      iterate(is, helper);
      return helper.found();
    }
docs: Reads the given ZIP stream and executes the given action for a single
  entry.
  
  @param is
  input ZIP stream (it will not be closed automatically).
  @param name
  entry name.
  @param action
  action to be called for this entry.
  @return <code>true</code> if the entry was found, <code>false</code> if the
  entry was not found.
  
  @see ZipEntryCallback