code: public static String safeRemoveAllTags(String html) {
          html = removeNonTextTags(html);
          html = unsafeRemoveAllTags(html);
          return html;
      }
docs: A safe way to remove the tags from an HTML string. The method removes first
  javascript, css and other non text blocks and then removes all HTML tags.
  
  @param html
  @return