Exemplo n.º 1
0
        static void Main(string[] args)
        {
            try
            {
                Book book1 = new Book("qqq", "www", "www", "www", 1995, 1000, 132);
                Book book2 = new Book("qq1q", "ww2w", "ww3w", "ww4w", 1995, 1200, 90);
                Book book3 = new Book("qqq", "www", "www", "www", 1995, 800, 175.0);
                Book book4 = new Book("qqq", "www", "www", "www", 1995, 800, 5);

                BookList bookList = new BookList(logger);
                Console.WriteLine("Adding books in BookList");
                bookList.AddBook(book1);
                bookList.AddBook(book2);
                bookList.AddBook(book3);
                Console.WriteLine("Added!");
                Console.WriteLine("removing books in BookList");
                bookList.RemoveBook(book3);
                Console.WriteLine("Removed!");

                Console.WriteLine("Save information about books in the binary file!");
                string       path        = @"D:\Epam\Epam.ASP.NET\NET.S.2018.Danilovich.10\BookStorageLogic\file.txt";
                IBookStorage bookStorage = new BinaryStorage(path);
                bookList.SaveBooksIntoStorage(bookStorage);
                Console.WriteLine("Saved!");
            }
            catch (FormatException error)
            {
                logger.WriteInfo("Format exseption");
                logger.WriteError(error.StackTrace);
            }
            catch (ArgumentNullException error)
            {
                logger.WriteInfo("Argument null exception");
                logger.WriteError(error.StackTrace);
            }
            catch (Exception error)
            {
                logger.WriteInfo("Unhandled exception:");
                logger.WriteError(error.StackTrace);
            }
        }
Exemplo n.º 2
0
        /// <summary>   Adds a book. </summary>
        /// <exception cref="ArgumentNullException">    Thrown when one or more required arguments are
        ///                                             null. </exception>
        /// <param name="book"> The book. </param>
        public void AddBook(Book book)
        {
            if (book == null)
            {
                logger.WriteError($"{nameof(book)} is null");
                throw new ArgumentNullException($"{nameof(book)} is null");
            }

            Books.Add(book);
            logger.WriteInfo($"{nameof(book)} added to list");
        }