}

    /**
     * Test printStackTrace functionality
     */
    public void test_printStackTrace() {
        CrawlerSystemException exception = new CrawlerSystemException("Print stack trace test");

        StringWriter stringWriter = new StringWriter();
        PrintWriter printWriter = new PrintWriter(stringWriter);
        exception.printStackTrace(printWriter);

      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright [yyyy] [name of copyright owner]

   Licensed under the Apache License, Version 2.0 (the "License");

    <glob pattern="*.amfm"/>
    <magic priority="40">
      <match value="StartFontMetrics" type="string" offset="0"/>
    </magic>
  </mime-type>

  <mime-type type="application/x-font-printer-metric">
    <_comment>Printer Font Metric</_comment>
    <glob pattern="*.pfm"/>
    <magic priority="40">
      <match value="0x0001FFFF0000436f707972" type="string" offset="0"
              mask="0xFFFF0000FFFFFFFFFFFFFF" />

         */
        @Override
        public String getAsString(final Object value) {
            if (value instanceof Date) {
                return DEFAULT_DATE_PRINTER.print(((Date) value).getTime());
            }
            return null;
        }

        /**
         * Converts a string representation of a date to a Timestamp object.
         *