Пример #1
0
  /**
   * Runs the pub command.
   *
   * @return the result of running the pub command
   */
  public IStatus runSilent(IProgressMonitor monitor) {
    try {
      // Build the process description to run pub
      DartSdk sdk = DartSdkManager.getManager().getSdk();
      File pubFile = sdk.getPubExecutable();

      ProcessBuilder builder = new ProcessBuilder();
      builder.directory(container.getLocation().toFile());
      builder.redirectErrorStream(true);

      List<String> args = new ArrayList<String>();
      if (DartCore.isMac()) {
        args.add("/bin/bash");
        args.add("--login");
        args.add("-c");
        args.add("\"" + pubFile.getAbsolutePath() + "\"" + " " + command);
      } else {
        args.add(pubFile.getAbsolutePath());
        args.add(command);
      }
      builder.command(args);

      // Run the pub command as an external process.
      ProcessRunner runner = newProcessRunner(builder);

      try {
        runner.runSync(monitor);
      } catch (IOException e) {
        String message = NLS.bind(PubMessages.RunPubJob_failed, command, e.toString());
        return new Status(IStatus.CANCEL, DartCore.PLUGIN_ID, message, e);
      }

      StringBuilder stringBuilder = new StringBuilder();

      if (!runner.getStdOut().isEmpty()) {
        stringBuilder.append(runner.getStdOut().trim() + "\n"); // $NON-NLS-1$
      }

      int exitCode = runner.getExitCode();

      if (exitCode != 0) {
        String output = "[" + exitCode + "] " + stringBuilder.toString();
        String message = NLS.bind(PubMessages.RunPubJob_failed, command, output);
        return new Status(IStatus.ERROR, DartCore.PLUGIN_ID, message);
      }

      try {
        // Refresh the Eclipse resources
        container.refreshLocal(IResource.DEPTH_INFINITE, monitor);
      } catch (CoreException e) {
        // Log the exception and move on
        DartCore.logError("Exception refreshing " + container, e);
      }

      return new Status(IStatus.OK, DartCore.PLUGIN_ID, stringBuilder.toString());
    } catch (OperationCanceledException exception) {
      String message = NLS.bind(PubMessages.RunPubJob_canceled, command);
      return new Status(IStatus.CANCEL, DartCore.PLUGIN_ID, message, exception);
    } finally {
      monitor.done();
    }
  }
Пример #2
0
  /**
   * Run the formatter on the given input source.
   *
   * @param source the source to pass to the formatter
   * @param selection the selection info to pass into the formatter
   * @param monitor the monitor for displaying progress
   * @throws IOException if an exception was thrown during execution
   * @throws CoreException if an exception occurs in file refresh
   * @return the formatted source (or null in case formatting could not be executed)
   */
  public static FormattedSource format(
      final String source, final Point selection, IProgressMonitor monitor)
      throws IOException, CoreException {

    File dartfmt = DartSdkManager.getManager().getSdk().getDartFmtExecutable();
    if (!dartfmt.canExecute()) {
      return null;
    }

    if (source.length() == 0) {
      FormattedSource result = new FormattedSource();
      result.source = source;
      return result;
    }

    ProcessBuilder builder = new ProcessBuilder();

    List<String> args = new ArrayList<String>();
    args.add(dartfmt.getPath());
    if (selection != null) {
      args.add(ARGS_SOURCE_FLAG + " " + selection.x + "," + selection.y);
    }
    args.add(ARGS_MAX_LINE_LEN_FLAG);
    if (getMaxLineLengthEnabled() && getMaxLineLength().length() > 0) {
      args.add(getMaxLineLength());
    } else {
      args.add("Infinity");
    }
    args.add(ARGS_INDENT_FLAG);
    args.add(getInsertSpacesForTabs() ? getSpacesPerIndent() : "tab");
    if (getPerformTransforms()) {
      args.add(ARGS_TRANSFORMS_FLAG);
    }
    args.add(ARGS_MACHINE_FORMAT_FLAG);

    builder.command(args);
    builder.redirectErrorStream(true);

    ProcessRunner runner =
        new ProcessRunner(builder) {
          @Override
          protected void processStarted(Process process) throws IOException {
            BufferedWriter writer =
                new BufferedWriter(
                    new OutputStreamWriter(process.getOutputStream(), "UTF-8"), source.length());
            writer.append(source);
            writer.close();
          }
        };

    runner.runSync(monitor);

    StringBuilder sb = new StringBuilder();

    if (!runner.getStdOut().isEmpty()) {
      sb.append(runner.getStdOut());
    }

    // TODO (pquitslund): better error handling
    if (runner.getExitCode() != 0) {
      sb.append(runner.getStdErr());
      throw new IOException(sb.toString());
    }

    String formattedSource = sb.toString();
    try {
      JSONObject json = new JSONObject(formattedSource);
      String sourceString = (String) json.get(JSON_SOURCE_KEY);
      JSONObject selectionJson = (JSONObject) json.get(JSON_SELECTION_KEY);
      // TODO (pquitslund): figure out why we (occasionally) need to remove an extra trailing
      // NEWLINE
      if (sourceString.endsWith("\n\n")) {
        sourceString = sourceString.substring(0, sourceString.length() - 1);
      }
      FormattedSource result = new FormattedSource();
      result.source = sourceString;
      result.selectionOffset = selectionJson.getInt(JSON_OFFSET_KEY);
      result.selectionLength = selectionJson.getInt(JSON_LENGTH_KEY);
      return result;
    } catch (JSONException e) {
      DartToolsPlugin.log(e);
      throw new IOException(e);
    }
  }