/* * Copyright (C) 2011 Miguel Angel Garcia <miguelangel.garcia@gmail.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.magmax.masterj2ee.practica2; import java.util.ArrayList; import java.util.HashMap; import java.util.List; /** * * @author Miguel Angel Garcia <miguelangel.garcia@gmail.com> */ public class Library { private HashMap<String, Book> books = new HashMap<String, Book>(); void addBook(Book book) throws BookIsDuplicatedException { if (books.containsKey(book.getIsbn())) throw new BookIsDuplicatedException (); books.put(book.getIsbn(), book); } Book searchByIsbn(String isbn) throws BookNotFoundException { Book result = books.get(isbn); if (result == null) throw new BookNotFoundException(); return result; } Book[] searchByTitle(String title) { ArrayList<Book> result = new ArrayList<Book>(); for (Book each : books.values()) { if (bookTitleContainsWord(each, title)) result.add(each); } return result.toArray(new Book[0]); } private boolean bookTitleContainsWord(Book book, String title) { if (book.getTitle().equals(title)) return true; return book.getTitle().matches("(^|.*\\s)" + title + "(\\s.*|$)"); } void removeBook(String isbn) throws BookNotFoundException { if (null == books.remove(isbn)) throw new BookNotFoundException(); } Book[] getBooks() { return books.values().toArray(new Book[0]); } }