Java Note.removeParagraph示例

  /**
   * Delete paragraph REST API
   *
   * @param
   * @return JSON with status.OK
   * @throws IOException
   */
  @DELETE
  @Path("{notebookId}/paragraph/{paragraphId}")
  @ZeppelinApi
  public Response deleteParagraph(
      @PathParam("notebookId") String notebookId, @PathParam("paragraphId") String paragraphId)
      throws IOException {
    LOG.info("delete paragraph {} {}", notebookId, paragraphId);

    Note note = notebook.getNote(notebookId);
    if (note == null) {
      return new JsonResponse(Status.NOT_FOUND, "note not found.").build();
    }

    Paragraph p = note.getParagraph(paragraphId);
    if (p == null) {
      return new JsonResponse(Status.NOT_FOUND, "paragraph not found.").build();
    }

    AuthenticationInfo subject = new AuthenticationInfo(SecurityUtils.getPrincipal());
    note.removeParagraph(paragraphId);
    note.persist(subject);
    notebookServer.broadcastNote(note);

    return new JsonResponse(Status.OK, "").build();
  }