private bool CheckFile(string filePath) { bool result = true; FileValidator validator = new FileValidator(); if (!validator.DoesFileExist(filePath)) { UI.ConsoleOutPut(StringConstants.FILE_NOT_FOUND); result = false; } else if (!validator.CheckFileType(filePath, ".txt")) { UI.ConsoleOutPut(StringConstants.WRONG_FILE_TYPE); result = false; } else if (validator.IsFileEmpty(filePath)) { UI.ConsoleOutPut(StringConstants.EMPTY_FILE); result = false; } return(result); }