diff --git a/src/main/java/com/epam/izh/rd/online/Main.java b/src/main/java/com/epam/izh/rd/online/Main.java index e3939a4b..30c67bb4 100644 --- a/src/main/java/com/epam/izh/rd/online/Main.java +++ b/src/main/java/com/epam/izh/rd/online/Main.java @@ -1,9 +1,18 @@ package com.epam.izh.rd.online; +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.service.SimpleAuthorService; +import com.epam.izh.rd.online.service.SimpleSchoolBookService; + public class Main { + public static void main(String[] args) { + + } } 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..4fa2b47f 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 @@ -19,5 +19,76 @@ * 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 birthdate, String country) { + this.name = name; + this.lastName = lastName; + this.birthdate = birthdate; + 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 int hashCode() { + return Objects.hash(name, lastName, birthdate, country); + } + + @Override + public String toString() { + return "Author{" + + "name='" + name + '\'' + + ", lastName='" + lastName + '\'' + + ", birthdate=" + 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..9538cd63 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 +16,54 @@ * 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..52a12ce0 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 +20,66 @@ * 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(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..d95c05ba 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 @@ -35,6 +35,7 @@ public interface AuthorRepository { * Метод должен находить в массиве authors автора по имени и фамилии (считаем, что двух авторов * с одинаковыми именем и фамилией быть не может.) *

+ * * Если автор с таким именем и фамилией найден - возвращаем его, если же не найден, метод должен вернуть null. */ Author findByFullName(String name, String lastname); @@ -51,7 +52,6 @@ public interface AuthorRepository { * должен вернуть false. */ boolean remove(Author author); - /** * Метод возвращает количество сохраненных сущностей в массиве authors. */ diff --git a/src/main/java/com/epam/izh/rd/online/repository/BookRepository.java b/src/main/java/com/epam/izh/rd/online/repository/BookRepository.java index 7358e99b..e6cd09eb 100644 --- a/src/main/java/com/epam/izh/rd/online/repository/BookRepository.java +++ b/src/main/java/com/epam/izh/rd/online/repository/BookRepository.java @@ -1,6 +1,7 @@ package com.epam.izh.rd.online.repository; import com.epam.izh.rd.online.entity.Book; +import com.epam.izh.rd.online.entity.SchoolBook; /** * Интерфейс репозитория для хранения данных о книгах @@ -51,4 +52,6 @@ public interface BookRepository { * Метод возвращает количество сохраненных сущностей в массиве schoolBooks. */ int count(); + + } 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..9591bfa1 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java @@ -0,0 +1,63 @@ +package com.epam.izh.rd.online.repository; + +import com.epam.izh.rd.online.entity.Author; +import com.epam.izh.rd.online.entity.SchoolBook; + +import java.util.Arrays; + +public class SimpleAuthorRepository implements AuthorRepository { + private static int count = 0; + private Author[] authors = new Author[count]; + + @Override + public boolean save(Author author) { + if (findByFullName(author.getName(), author.getLastName()) == null) { + Author[] authors1 = new Author[0]; + authors1 = Arrays.copyOf(authors, count); + count++; + authors = Arrays.copyOf(authors1, count); + authors[authors.length - 1] = author; + return true; + } else { + return false; + } + } + + @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) { + Author[] authors1 = new Author[0]; + authors1 = Arrays.copyOf(authors, count); + if (findByFullName(author.getName(), author.getLastName()) != null) { + for (int i = 0; i < authors1.length; i++) { + if (authors1[i].getName().equals(author.getName()) && authors1[i].getLastName().equals(author.getLastName())) { + Author author1 = new Author(); + author1 = authors1[i]; + if (authors1[i].equals(author1)) { + authors1[i] = authors1[authors1.length - 1]; + authors1[authors1.length - 1] = author1; + count--; + } + } + } + authors = Arrays.copyOf(authors1, count); + return true; + } + return false; + } + + @Override + public int count() { + return count; + } +} 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..9c96a9c6 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java @@ -0,0 +1,72 @@ +package com.epam.izh.rd.online.repository; + +import com.epam.izh.rd.online.entity.Author; +import com.epam.izh.rd.online.entity.SchoolBook; + +import java.util.Arrays; + +public class SimpleSchoolBookRepository implements BookRepository { + private static int count = 0; + private SchoolBook[] schoolBooks = new SchoolBook[count]; + + + @Override + public boolean save(SchoolBook book) { + SchoolBook[] schoolBooks1 = new SchoolBook[count]; + schoolBooks1 = Arrays.copyOf(schoolBooks, count); + count++; + schoolBooks = Arrays.copyOf(schoolBooks1, count); + schoolBooks[schoolBooks.length - 1] = book; + return true; + } + + + @Override + public SchoolBook[] findByName(String name) { + int index = 0; + SchoolBook[] foundBook = new SchoolBook[0]; + for (SchoolBook book : schoolBooks) { + if (book.getName().equals(name)) { + index++; + } + } + foundBook = new SchoolBook[index]; + int foundBookIndex = 0; + for (SchoolBook schoolBook : schoolBooks) { + if (schoolBook.getName().equals(name)) { + foundBook[foundBookIndex] = schoolBook; + foundBookIndex++; + } + } + return foundBook; + } + + @Override + public boolean removeByName(String name) { + SchoolBook[] schoolBooks1 = new SchoolBook[0]; + schoolBooks1 = Arrays.copyOf(schoolBooks, count); + if (findByName(name).length != 0) { + for (int i = 0; i < schoolBooks1.length; i++) { + if (schoolBooks1[i].getName().equals(name)) { + SchoolBook schoolBook = new SchoolBook(); + schoolBook = schoolBooks1[i]; + count--; + if (schoolBooks1[i].equals(schoolBook)) { + schoolBooks1[i] = schoolBooks1[schoolBooks1.length - 1]; + schoolBooks1[schoolBooks1.length - 1] = schoolBook; + } + } + } + schoolBooks = Arrays.copyOf(schoolBooks1, count); + return true; + } + + return false; + } + + + @Override + public int count() { + return count; + } +} diff --git a/src/main/java/com/epam/izh/rd/online/service/BookService.java b/src/main/java/com/epam/izh/rd/online/service/BookService.java index e221033b..fe7b1bdb 100644 --- a/src/main/java/com/epam/izh/rd/online/service/BookService.java +++ b/src/main/java/com/epam/izh/rd/online/service/BookService.java @@ -65,7 +65,7 @@ public interface BookService { /** * Метод должен возвращать автора книги по названию книги. * - * То есть приждется сходить и в репозиторий с книгами и в сервис авторов. + * То есть придется сходить и в репозиторий с книгами и в сервис авторов. * * Если такой книги не найдено, метод должен вернуть null. */ 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..c13b81bf --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/service/SimpleAuthorService.java @@ -0,0 +1,37 @@ +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(); + } +} + 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..d069e374 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/service/SimpleSchoolBookService.java @@ -0,0 +1,66 @@ +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() { + } + + public SimpleSchoolBookService(BookRepository schoolBookBookRepository, AuthorService authorService) { + this.schoolBookBookRepository = schoolBookBookRepository; + this.authorService = authorService; + } + + @Override + public boolean save(Book book) { + SchoolBook schoolBook = new SchoolBook(); + schoolBook = (SchoolBook) book; + if (authorService.findByFullName(schoolBook.getAuthorName(), schoolBook.getAuthorLastName()) != null) { + schoolBookBookRepository.save(schoolBook); + return true; + } + + return false; + } + + @Override + public Book[] findByName(String name) { + return schoolBookBookRepository.findByName(name); + } + + @Override + public int getNumberOfBooksByName(String name) { + return schoolBookBookRepository.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 schoolBook = new SchoolBook(); + if (schoolBookBookRepository.findByName(name).length != 0) { + schoolBook = schoolBookBookRepository.findByName(name)[0]; + String nameAuthor = schoolBook.getAuthorName(); + String lastNameAuthor = schoolBook.getAuthorLastName(); + Author author = new Author(); + author = authorService.findByFullName(nameAuthor, lastNameAuthor); + return author; + } + return null; + } +} \ No newline at end of file