public void addBook(Book book) {
if (book == null) {
return;
}
ru.ncedu.entity.Author author =
(book.getAuthor() == null) ? null : LibraryService.getAuthorById(book.getAuthor().getId());
LibraryService.addBook(
new ru.ncedu.entity.Book(book.name, book.description, book.genre, book.year, author));
}
public void addAuthor(Author author) {
if (author == null) {
return;
}
LibraryService.addAuthor(
new ru.ncedu.entity.Author(author.firstName, author.lastName, author.age));
}
public List<Book> getAllBooks() {
List<ru.ncedu.entity.Book> books = LibraryService.getAllBooks();
List<Book> resultList = new ArrayList<Book>(books.size());
for (ru.ncedu.entity.Book book : books) {
resultList.add(new Book(book));
}
return resultList;
}
public List<Author> getAllAuthors() {
List<ru.ncedu.entity.Author> authors = LibraryService.getAllAuthors();
List<Author> resultList = new ArrayList<Author>(authors.size());
for (ru.ncedu.entity.Author author : authors) {
resultList.add(
new Author(author.getId(), author.getFirstName(), author.getLastName(), author.getAge()));
}
return resultList;
}