/**
  * Validates module metadata.
  * Return true if module metadata is valid.
  * Return false if module metadata is not valid, or if metadata file does not exist.
  *
  * @param oxModule $oModule object to validate metadata.
  *
  * @return bool
  */
 public function validate(oxModule $oModule)
 {
     $sMetadataPath = $oModule->getMetadataPath();
     return file_exists($sMetadataPath);
 }