diff --git a/src/main/java/com/epam/izh/rd/online/entity/Author.java b/src/main/java/com/epam/izh/rd/online/entity/Author.java index 166be587..9c124047 100644 --- a/src/main/java/com/epam/izh/rd/online/entity/Author.java +++ b/src/main/java/com/epam/izh/rd/online/entity/Author.java @@ -5,7 +5,7 @@ /** * Класс содержащий информацию об авторе. - * + *

* Необходимо: * 1) Создать список полей с указанными типами ровно в этом порядке: * - name с типом String и приватным модификатором доступа @@ -19,5 +19,69 @@ * 6) Переопределить метод toString с выводом всех полей (не забывайте alt+inset) */ public class Author { + private String name; + private String lastName; + private LocalDate birthdate; + private String country; + public Author() { + } + + public Author(String name, String lastName, LocalDate birthdata, String country) { + this.name = name; + this.lastName = lastName; + this.birthdate = birthdata; + this.country = country; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public String getLastName() { + return lastName; + } + + public void setLastName(String lastName) { + this.lastName = lastName; + } + + public LocalDate getBirthdate() { + return birthdate; + } + + public void setBirthdate(LocalDate birthdate) { + this.birthdate = birthdate; + } + + public String getCountry() { + return country; + } + + public void setCountry(String country) { + this.country = country; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + Author author = (Author) o; + return Objects.equals(name, author.name) && Objects.equals(lastName, author.lastName) + && Objects.equals(birthdate, author.birthdate) && Objects.equals(country, author.country); + } + + @Override + public String toString() { + return "Author{" + + "name='" + name + '\'' + + ", lastName='" + lastName + '\'' + + ", birthdata=" + birthdate + + ", country='" + country + '\'' + + '}'; + } } diff --git a/src/main/java/com/epam/izh/rd/online/entity/Book.java b/src/main/java/com/epam/izh/rd/online/entity/Book.java index 08bdccb8..f66e7dac 100644 --- a/src/main/java/com/epam/izh/rd/online/entity/Book.java +++ b/src/main/java/com/epam/izh/rd/online/entity/Book.java @@ -16,5 +16,51 @@ * 6) Переопределить метод toString с выводом всех полей (не забывайте alt+inset) */ public abstract class Book { + private int numberOfPages; + private String name; + public Book() { + } + + public Book(int numberOfPages, String name) { + this.numberOfPages = numberOfPages; + this.name = name; + } + + public int getNumberOfPages() { + return numberOfPages; + } + + public void setNumberOfPages(int numberOfPages) { + this.numberOfPages = numberOfPages; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + Book book = (Book) o; + return numberOfPages == book.numberOfPages && Objects.equals(name, book.name); + } + + @Override + public int hashCode() { + return Objects.hash(numberOfPages, name); + } + + @Override + public String toString() { + return "Book{" + + "numberOfPages=" + numberOfPages + + ", name='" + name + '\'' + + '}'; + } } diff --git a/src/main/java/com/epam/izh/rd/online/entity/SchoolBook.java b/src/main/java/com/epam/izh/rd/online/entity/SchoolBook.java index a9834db4..d6dbb119 100644 --- a/src/main/java/com/epam/izh/rd/online/entity/SchoolBook.java +++ b/src/main/java/com/epam/izh/rd/online/entity/SchoolBook.java @@ -20,5 +20,71 @@ * 6) Переопределить метод toString с выводом всех полей (не забывайте alt+inset) */ public class SchoolBook extends Book { + private String authorName; + private String authorLastName; + private LocalDate publishDate; + public SchoolBook() { + } + + public SchoolBook(String authorName, String authorLastName, LocalDate publishDate) { + this.authorName = authorName; + this.authorLastName = authorLastName; + this.publishDate = publishDate; + } + + public SchoolBook(int numberOfPages, String name, String authorName, String authorLastName, LocalDate publishDate) { + super(numberOfPages, name); + this.authorName = authorName; + this.authorLastName = authorLastName; + this.publishDate = publishDate; + } + + public String getAuthorName() { + return authorName; + } + + public void setAuthorName(String authorName) { + this.authorName = authorName; + } + + public String getAuthorLastName() { + return authorLastName; + } + + public void setAuthorLastName(String authorLastName) { + this.authorLastName = authorLastName; + } + + public LocalDate getPublishDate() { + return publishDate; + } + + public void setPublishDate(LocalDate publishDate) { + this.publishDate = publishDate; + } + + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + if (!super.equals(o)) return false; + SchoolBook that = (SchoolBook) o; + return Objects.equals(authorName, that.authorName) && Objects.equals(authorLastName, that.authorLastName) && Objects.equals(publishDate, that.publishDate); + } + + @Override + public int hashCode() { + return Objects.hash(super.hashCode(), authorName, authorLastName, publishDate); + } + + @Override + public String toString() { + return "SchoolBook{" + + "authorName='" + authorName + '\'' + + ", authorLastName='" + authorLastName + '\'' + + ", publishDate=" + publishDate + + '}'; + } } diff --git a/src/main/java/com/epam/izh/rd/online/repository/AuthorRepository.java b/src/main/java/com/epam/izh/rd/online/repository/AuthorRepository.java index c62bd4e9..651410e3 100644 --- a/src/main/java/com/epam/izh/rd/online/repository/AuthorRepository.java +++ b/src/main/java/com/epam/izh/rd/online/repository/AuthorRepository.java @@ -15,6 +15,7 @@ */ public interface AuthorRepository { + /** * Метод должен сохранять автора в массив authors. * Массив при каждом сохранении должен увеличиваться в размере ровно на 1. @@ -28,9 +29,11 @@ public interface AuthorRepository { * Подсказка - можно использовать для проверки метод findByFullName. *

* Если сохранение прошло успешно, метод должен вернуть true. + * @return */ boolean save(Author author); + /** * Метод должен находить в массиве authors автора по имени и фамилии (считаем, что двух авторов * с одинаковыми именем и фамилией быть не может.) diff --git a/src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java b/src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java new file mode 100644 index 00000000..848bdb82 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java @@ -0,0 +1,51 @@ +package com.epam.izh.rd.online.repository; + +import com.epam.izh.rd.online.entity.Author; + +import java.util.Arrays; + +public class SimpleAuthorRepository implements AuthorRepository { + + private Author[] authors = new Author[]{}; + + @Override + public boolean save(Author author) { + if(findByFullName(author.getName(),author.getLastName()) != null) { + return false; + } + authors = Arrays.copyOf(authors,authors.length + 1); + authors[authors.length-1] = author; + return true; + } + + @Override + public Author findByFullName(String name, String lastname) { + for (Author author : authors) { + if(author.getName().equals(name) && author.getLastName().equals(lastname)) { + return author; + } + } + return null; + } + + @Override + public boolean remove(Author author) { + int index = -1; + for (int i = 0; i < authors.length; i++) { + if(author.equals(authors[i])) index = i; + } + if(index == -1) return false; + for(int i = index; i < authors.length ; i++) { + if(i + 1 < authors.length) { + authors[i] = authors[i+1]; + } + } + authors = Arrays.copyOf(authors,authors.length-1); + return true; + } + + @Override + public int count() { + return authors.length; + } +} diff --git a/src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java b/src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java new file mode 100644 index 00000000..f43c1609 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java @@ -0,0 +1,58 @@ +package com.epam.izh.rd.online.repository; +import com.epam.izh.rd.online.entity.SchoolBook; + +import java.util.Arrays; + +public class SimpleSchoolBookRepository implements BookRepository { + + private SchoolBook[] schoolBooks = new SchoolBook[]{}; + + @Override + public boolean save(SchoolBook book) { + schoolBooks = Arrays.copyOf(schoolBooks,schoolBooks.length + 1); + schoolBooks[schoolBooks.length-1] = book; + return true; + } + + @Override + public SchoolBook[] findByName(String name) { + SchoolBook[] foundBooks = new SchoolBook[0]; + for (SchoolBook book : schoolBooks) { + if(book.getName().equals(name)) { + foundBooks = Arrays.copyOf(foundBooks, foundBooks.length+1); + foundBooks[foundBooks.length-1] = book; + } + } + return foundBooks; + } + + @Override + public boolean removeByName(String name) { + int removedBooks = 0; + for(int i = 0; i < schoolBooks.length; i++) { + if(schoolBooks[i].getName().equals(name)) { + schoolBooks[i] = null; + removedBooks++; + } + } + if(removedBooks == 0) { + return false; + } + + SchoolBook[] nonNullArray = new SchoolBook[schoolBooks.length-removedBooks]; + int nonNullNextIndex = 0; + for(int i = 0; i < schoolBooks.length; i++) { + if(schoolBooks[i] != null) { + nonNullArray[nonNullNextIndex] = schoolBooks[i]; + nonNullNextIndex++; + } + } + schoolBooks = nonNullArray; + return true; + } + + @Override + public int count() { + return schoolBooks.length; + } +} diff --git a/src/main/java/com/epam/izh/rd/online/service/AuthorService.java b/src/main/java/com/epam/izh/rd/online/service/AuthorService.java index 25bfecd1..2f0108c4 100644 --- a/src/main/java/com/epam/izh/rd/online/service/AuthorService.java +++ b/src/main/java/com/epam/izh/rd/online/service/AuthorService.java @@ -20,10 +20,11 @@ public interface AuthorService { /** * Метод должен сохранять автора. - * По факту, он просто обращается к репозиторию с авторами и вызывает аналогичный метод, псоле чего возвращает результат. + * По факту, он просто обращается к репозиторию с авторами и вызывает аналогичный метод, поcле чего возвращает результат. */ boolean save(Author author); + /** * Метод должен находить автора по имени и фамилии. * По факту, он просто обращается к репозиторию с авторами и вызывает аналогичный метод, псоле чего возвращает результат. diff --git a/src/main/java/com/epam/izh/rd/online/service/SimpleAuthorService.java b/src/main/java/com/epam/izh/rd/online/service/SimpleAuthorService.java new file mode 100644 index 00000000..67904977 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/service/SimpleAuthorService.java @@ -0,0 +1,36 @@ +package com.epam.izh.rd.online.service; + +import com.epam.izh.rd.online.entity.Author; +import com.epam.izh.rd.online.repository.AuthorRepository; + +public class SimpleAuthorService implements AuthorService { + private AuthorRepository authorRepository; + + public SimpleAuthorService() { + + } + + public SimpleAuthorService(AuthorRepository authorRepository) { + this.authorRepository = authorRepository; + } + + @Override + public boolean save(Author author) { + return authorRepository.save(author); + } + + @Override + public Author findByFullName(String name, String lastname) { + return authorRepository.findByFullName(name,lastname); + } + + @Override + public boolean remove(Author author) { + return authorRepository.remove(author); + } + + @Override + public int count() { + return authorRepository.count(); + } +} \ No newline at end of file diff --git a/src/main/java/com/epam/izh/rd/online/service/SimpleSchoolBookService.java b/src/main/java/com/epam/izh/rd/online/service/SimpleSchoolBookService.java new file mode 100644 index 00000000..58054676 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/service/SimpleSchoolBookService.java @@ -0,0 +1,55 @@ +package com.epam.izh.rd.online.service; + +import com.epam.izh.rd.online.entity.Author; +import com.epam.izh.rd.online.entity.Book; +import com.epam.izh.rd.online.entity.SchoolBook; +import com.epam.izh.rd.online.repository.BookRepository; + +public class SimpleSchoolBookService implements BookService { + private BookRepository schoolBookBookRepository; + private AuthorService authorService; + + public SimpleSchoolBookService(BookRepository schoolBookBookRepository, AuthorService authorService) { + this.schoolBookBookRepository = schoolBookBookRepository; + this.authorService = authorService; + } + + @Override + public boolean save(SchoolBook book) { + if(authorService.findByFullName(book.getAuthorName(),book.getAuthorLastName()) == null) { + return false; + } + schoolBookBookRepository.save(book); + return true; + } + + @Override + public SchoolBook[] findByName(String name) { + return schoolBookBookRepository.findByName(name); + } + + @Override + public int getNumberOfBooksByName(String name) { + return findByName(name).length; + } + + + @Override + public boolean removeByName(String name) { + return schoolBookBookRepository.removeByName(name); + } + + @Override + public int count() { + return schoolBookBookRepository.count(); + } + + @Override + public Author findAuthorByBookName(String name) { + SchoolBook[] books = schoolBookBookRepository.findByName(name); + if(books.length == 0) { + return null; + } + return authorService.findByFullName(books[0].getAuthorName(),books[0].getAuthorLastName()); + } +}