/**
   * Insert paragraph REST API
   *
   * @param message - JSON containing paragraph's information
   * @return JSON with status.OK
   * @throws IOException
   */
  @POST
  @Path("{notebookId}/paragraph")
  @ZeppelinApi
  public Response insertParagraph(@PathParam("notebookId") String notebookId, String message)
      throws IOException {
    LOG.info("insert paragraph {} {}", notebookId, message);

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

    NewParagraphRequest request = gson.fromJson(message, NewParagraphRequest.class);

    Paragraph p;
    Double indexDouble = request.getIndex();
    if (indexDouble == null) {
      p = note.addParagraph();
    } else {
      p = note.insertParagraph(indexDouble.intValue());
    }
    p.setTitle(request.getTitle());
    p.setText(request.getText());

    AuthenticationInfo subject = new AuthenticationInfo(SecurityUtils.getPrincipal());
    note.persist(subject);
    notebookServer.broadcastNote(note);
    return new JsonResponse(Status.CREATED, "", p.getId()).build();
  }
  /**
   * Create new note REST API
   *
   * @param message - JSON with new note name
   * @return JSON with new note ID
   * @throws IOException
   */
  @POST
  @Path("/")
  @ZeppelinApi
  public Response createNote(String message) throws IOException {
    LOG.info("Create new notebook by JSON {}", message);
    NewNotebookRequest request = gson.fromJson(message, NewNotebookRequest.class);
    AuthenticationInfo subject = new AuthenticationInfo(SecurityUtils.getPrincipal());
    Note note = notebook.createNote(subject);
    List<NewParagraphRequest> initialParagraphs = request.getParagraphs();
    if (initialParagraphs != null) {
      for (NewParagraphRequest paragraphRequest : initialParagraphs) {
        Paragraph p = note.addParagraph();
        p.setTitle(paragraphRequest.getTitle());
        p.setText(paragraphRequest.getText());
      }
    }
    note.addParagraph(); // add one paragraph to the last
    String noteName = request.getName();
    if (noteName.isEmpty()) {
      noteName = "Note " + note.getId();
    }

    note.setName(noteName);
    note.persist(subject);
    notebookServer.broadcastNote(note);
    notebookServer.broadcastNoteList(subject);
    return new JsonResponse<>(Status.CREATED, "", note.getId()).build();
  }
Beispiel #3
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  /**
   * Clone paragraph and add it to note.
   *
   * @param srcParagraph source paragraph
   */
  void addCloneParagraph(Paragraph srcParagraph) {

    // Keep paragraph original ID
    final Paragraph newParagraph = new Paragraph(srcParagraph.getId(), this, this, factory);

    Map<String, Object> config = new HashMap<>(srcParagraph.getConfig());
    Map<String, Object> param = new HashMap<>(srcParagraph.settings.getParams());
    Map<String, Input> form = new HashMap<>(srcParagraph.settings.getForms());

    newParagraph.setConfig(config);
    newParagraph.settings.setParams(param);
    newParagraph.settings.setForms(form);
    newParagraph.setText(srcParagraph.getText());
    newParagraph.setTitle(srcParagraph.getTitle());

    try {
      Gson gson = new Gson();
      String resultJson = gson.toJson(srcParagraph.getReturn());
      InterpreterResult result = gson.fromJson(resultJson, InterpreterResult.class);
      newParagraph.setReturn(result, null);
    } catch (Exception e) {
      // 'result' part of Note consists of exception, instead of actual interpreter results
      logger.warn(
          "Paragraph " + srcParagraph.getId() + " has a result with exception. " + e.getMessage());
    }

    synchronized (paragraphs) {
      paragraphs.add(newParagraph);
    }
    if (noteEventListener != null) {
      noteEventListener.onParagraphCreate(newParagraph);
    }
  }
Beispiel #4
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  /**
   * Clone paragraph and add it to note.
   *
   * @param srcParagraph
   */
  public void addCloneParagraph(Paragraph srcParagraph) {
    Paragraph newParagraph = new Paragraph(this, this, replLoader);

    Map<String, Object> config = new HashMap<>(srcParagraph.getConfig());
    Map<String, Object> param = new HashMap<>(srcParagraph.settings.getParams());
    Map<String, Input> form = new HashMap<>(srcParagraph.settings.getForms());
    Gson gson = new Gson();
    InterpreterResult result =
        gson.fromJson(gson.toJson(srcParagraph.getReturn()), InterpreterResult.class);

    newParagraph.setConfig(config);
    newParagraph.settings.setParams(param);
    newParagraph.settings.setForms(form);
    newParagraph.setText(srcParagraph.getText());
    newParagraph.setTitle(srcParagraph.getTitle());
    newParagraph.setReturn(result, null);

    synchronized (paragraphs) {
      paragraphs.add(newParagraph);
    }
  }