Exemple #1
0
  /**
   * Creates a document converter.
   *
   * @param exe_path The full path to the <code>ebook-convert</code> executable. (Uses {@link
   *     #findEbookConvert()} if an empty string or <code>null</code> .)
   * @param output_profile The argument for the <code>
   *     <a href="http://manual.calibre-ebook.com/cli/ebook-convert.html#cmdoption-ebook-convert--output-profile">--output-profile</a>
   *     </code> argument (e.g. &ldquo;<code>nook</code>&rdquo;). Use <code>null</code> or an empty
   *     string to not include.
   * @param author The author for the article (see <code>
   *     <a href="http://manual.calibre-ebook.com/cli/ebook-convert.html#cmdoption-ebook-convert--authors">--authors</a>
   *     </code> option.) Use <code>null</code> or an empty string to not include.
   * @param other_options Extra command line options to be passed to <code>ebook-convert</code> when
   *     converting a document. See the <a href=
   *     "http://manual.calibre-ebook.com/cli/ebook-convert.html" >Calibre User Manual</a> for
   *     documentation on the <code>calibredb add</code> command and options.
   */
  public EbookConverter(
      final String exe_path,
      final String output_profile,
      final String author,
      final List<String> other_options) {
    if (Str.isNotEmpty(exe_path)) this.exePath = exe_path;
    else this.exePath = findEbookConvert();

    final ImmutableList.Builder<String> bldr = ImmutableList.builder();

    if (Str.isNotEmpty(output_profile)) bldr.add("--output-profile=" + output_profile);

    if (Str.isNotEmpty(author)) bldr.add("--authors=" + author);

    if (other_options != null) bldr.addAll(other_options);

    this.options = bldr.build();
  }
Exemple #2
0
  /**
   * Converts a document (usually HTML) to another format (e.g. epub or mobi) using <code>
   * ebook-convert</code>.
   *
   * @param title An optional title (use an empty string or <code>null</code> for unspecified or to
   *     use whatever is in the <code>file</code> (if anything).) See <code><a href=
   *        "http://manual.calibre-ebook.com/cli/ebook-convert.html#cmdoption-ebook-convert--title"
   *        >--title</a></code> in the Calibre documentation.
   * @param in_file The file to be converted.
   * @param out_file The target file.
   * @param summary An optional summary of the contents of the document, in HTML (use an empty
   *     string or <code>null</code> for unspecified or to use whatever is in the <code>file</code>
   *     (if anything).) See <code><a href=
   *        "http://manual.calibre-ebook.com/cli/ebook-convert.html#cmdoption-ebook-convert--comments"
   *        >--comments</a></code> in the Calibre documentation.
   * @throws IOException
   */
  public void convert(
      final String title, final File in_file, final File out_file, final String summary)
      throws IOException {
    final List<String> cmd = Colls.newArrayList(10);
    cmd.add(exePath);
    cmd.add(in_file.toString());
    cmd.add(out_file.toString());
    if (Str.isNotEmpty(title)) cmd.add("--title=" + title);
    if (Str.isNotEmpty(summary)) cmd.add("--comments=" + summary);
    cmd.addAll(options);

    log.debug("Running: {}", Str.join(", ", cmd));
    final Process proc = new ProcessBuilder(cmd).redirectErrorStream(true).start();

    final ProcessOutputSlurper slurper = new ProcessOutputSlurper(proc);

    final int ret;
    try {
      ret = proc.waitFor();
    } catch (InterruptedException ex) {
      throw new UnhandledException(ex);
    }

    final List<String> output = slurper.getLines();

    if (ret != 0) log.trace("ebook-convert returned {}", ret);

    log.trace("ebook-convert output:");
    for (String line : output) log.trace(line);

    if (ret == 0) {
      final Pattern pat = Pattern.compile("\\S+ output written to .+$");
      for (String line : output) if (pat.matcher(line).matches()) return;
    }

    throw new IOException("Error converting document. See log file for details.");
  }