Пример #1
0
  /** Saves the displayed text. */
  private void save() {
    final BaseXFileChooser fc =
        new BaseXFileChooser(SAVE_AS, gui.gopts.get(GUIOptions.WORKPATH), gui).suffix(IO.XMLSUFFIX);

    final IO file = fc.select(Mode.FSAVE);
    if (file == null) return;
    gui.gopts.set(GUIOptions.WORKPATH, file.path());

    gui.cursor(CURSORWAIT, true);
    final MainOptions opts = gui.context.options;
    final int mh = opts.get(MainOptions.MAXHITS);
    opts.set(MainOptions.MAXHITS, -1);
    opts.set(MainOptions.CACHEQUERY, false);

    try (final PrintOutput out = new PrintOutput(file.toString())) {
      if (cmd != null) {
        cmd.execute(gui.context, out);
      } else if (ns != null) {
        ns.serialize(Serializer.get(out));
      } else {
        final byte[] txt = text.getText();
        for (final byte t : txt) if (t < 0 || t > ' ' || ws(t)) out.write(t);
      }
    } catch (final IOException ex) {
      BaseXDialog.error(gui, Util.info(FILE_NOT_SAVED_X, file));
    } finally {
      opts.set(MainOptions.MAXHITS, mh);
      opts.set(MainOptions.CACHEQUERY, true);
      gui.cursor(CURSORARROW, true);
    }
  }
Пример #2
0
 /**
  * Serializes the specified nodes.
  *
  * @param n nodes to display
  */
 private void setText(final DBNodes n) {
   if (visible()) {
     try {
       final ArrayOutput ao = new ArrayOutput();
       ao.setLimit(gui.gopts.get(GUIOptions.MAXTEXT));
       if (n != null) n.serialize(Serializer.get(ao));
       setText(ao);
       cmd = null;
       ns = ao.finished() ? n : null;
     } catch (final IOException ex) {
       Util.debug(ex);
     }
   } else {
     home.setEnabled(gui.context.data() != null);
   }
 }
Пример #3
0
  /**
   * Evaluates the specified function and creates a response.
   *
   * @throws Exception exception (including unexpected ones)
   */
  void create() throws Exception {
    // bind variables
    final StaticFunc sf = function.function;
    final Expr[] args = new Expr[sf.args.length];
    function.bind(http, args, error);

    // wrap function with a function call
    final MainModule mm = new MainModule(sf, args);

    // assign main module and http context and register process
    query.mainModule(mm);
    query.http(http);
    query.context.register(query);

    String redirect = null, forward = null;
    RestXqRespBuilder resp = null;
    try {
      // compile and evaluate query
      query.compile();
      final Iter iter = query.iter();
      Item item = iter.next();

      // handle response element
      if (item != null && item instanceof ANode) {
        final ANode node = (ANode) item;
        // send redirect to browser
        if (REST_REDIRECT.eq(node)) {
          final ANode ch = node.children().next();
          if (ch == null || ch.type != NodeType.TXT) throw function.error(NO_VALUE, node.name());
          redirect = string(ch.string()).trim();
          return;
        }
        // server-side forwarding
        if (REST_FORWARD.eq(node)) {
          final ANode ch = node.children().next();
          if (ch == null || ch.type != NodeType.TXT) throw function.error(NO_VALUE, node.name());
          forward = string(ch.string()).trim();
          return;
        }
        if (REST_RESPONSE.eq(node)) {
          resp = new RestXqRespBuilder();
          resp.build(node, function, iter, http);
          return;
        }
      }

      // HEAD method must return a single response element
      if (function.methods.size() == 1 && function.methods.contains(HTTPMethod.HEAD.name()))
        throw function.error(HEAD_METHOD);

      // serialize result
      final SerializerOptions sp = function.output;
      http.sopts(sp);
      http.initResponse();
      final Serializer ser = Serializer.get(http.res.getOutputStream(), sp);
      for (; item != null; item = iter.next()) ser.serialize(item);
      ser.close();

    } finally {
      query.close();
      query.context.unregister(query);

      if (redirect != null) {
        http.res.sendRedirect(redirect);
      } else if (forward != null) {
        http.req.getRequestDispatcher(forward).forward(http.req, http.res);
      } else if (resp != null) {
        if (resp.status != 0) http.status(resp.status, resp.message, resp.error);
        http.res.getOutputStream().write(resp.cache.toArray());
      }
    }
  }