public Resource init() throws ResourceInstantiationException {
  MimeType mime = new MimeType("text", "x-special");
  mimeString2ClassHandlerMap.put(
      mime.getType()+ "/" + mime.getSubtype(), this);
  mimeString2mimeTypeMap.put(
      mime.getType() + "/" + mime.getSubtype(), mime);
  suffixes2mimeTypeMap.put("spec", mime);
  magic2mimeTypeMap.put("==special==", mime);

  setMimeType(mime);
  return this;
}