/**
  * If 3d document
  *
  * @return true or false
  */
 public boolean isOpenOfficeCompatibleDocument() {
   boolean isOpenOfficeCompatibleDocument = false;
   if (getLogicalName() != null) {
     isOpenOfficeCompatibleDocument = FileUtil.isOpenOfficeCompatible(getLogicalName());
     SilverTrace.info(
         "versioning",
         "DocumentVersion.isSpinfireDocument()",
         "root.MSG_GEN_PARAM_VALUE",
         "isOpenOfficeCompatibleDocument = " + isOpenOfficeCompatibleDocument);
   }
   return isOpenOfficeCompatibleDocument;
 }