/**
  * Returns a <code>FileValidator</code> for existing directories.
  *
  * @return a <code>FileValidator</code> for existing directories.
  */
 public static FileValidator getExistingDirectoryInstance() {
   final FileValidator validator = new FileValidator();
   validator.setExisting(true);
   validator.setDirectory(true);
   return validator;
 }
 /**
  * Returns a <code>FileValidator</code> for existing files.
  *
  * @return a <code>FileValidator</code> for existing files.
  */
 public static FileValidator getExistingFileInstance() {
   final FileValidator validator = new FileValidator();
   validator.setExisting(true);
   validator.setFile(true);
   return validator;
 }