*/
    public JodExtractor() {
        extensionMap.put("", "txt");
        // Text Formats
        extensionMap.put("odt", "txt");
        extensionMap.put("ott", "txt");
        extensionMap.put("sxw", "txt");
        extensionMap.put("rtf", "txt");
        extensionMap.put("doc", "txt");
        extensionMap.put("docx", "txt");
        extensionMap.put("wpd", "txt");
        extensionMap.put("txt", "txt");

    <glob pattern="*.srt"/>
    <sub-class-of type="text/plain"/>
  </mime-type>
  
  <mime-type type="application/vnd.sun.xml.writer">
    <sub-class-of type="application/zip"/>
    <glob pattern="*.sxw"/>
  </mime-type>
  <!-- can't currently find any diff in contents btwn writer
    and template. Must rely on extension -->
  <mime-type type="application/vnd.sun.xml.writer.template">