public void validateFileDoesNotExist ( UIInput < String > directory , UIInput < String > fileName , UIValidationContext validator ) { String resourcePath = CamelXmlHelper . createFileName ( directory , fileName ) ; if ( files . contains ( resourcePath ) ) { validator . addValidationError ( fileName , "A file with that name already exists!" ) ; } }
Validates that the given selected directory and fileName are valid and that the file doesn t already exist