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..2a9d839f 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 +1,27 @@ 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.repository.SimpleAuthorRepository; +import com.epam.izh.rd.online.repository.SimpleSchoolBookRepository; + +import java.util.Arrays; + public class Main { public static void main(String[] args) { + /*SimpleAuthorRepository sa = new SimpleAuthorRepository(); + Author author = new Author(); + author.setName("Ruslan"); + author.setLastName("Mavlyashov"); + sa.save(author); + System.out.println(author.getName() + " " + author.getLastName() + " " + author.getBirthdate());*/ + SimpleSchoolBookRepository sb = new SimpleSchoolBookRepository(); + SchoolBook schoolBooks = new SchoolBook(); + schoolBooks.setName("Master"); + schoolBooks.setName("Margarita"); + sb.removeByName("Master"); } - } 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..c7aa79cd 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 +19,76 @@ * 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 void setName(String name) { + this.name = name; + } + + public String getName() { + return name; + } + + public void setLastName(String lastName) { + this.lastName = lastName; + } + + public String getLastName() { + return lastName; + } + + public void setBirthdate(LocalDate birthdate) { + this.birthdate = birthdate; + } + + public LocalDate getBirthdate() { + return birthdate; + } + + public void setCountry(String country) { + this.country = country; + } + + public String getCountry() { + return 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 + '\'' + + ", birthday=" + 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..bc1ab282 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 +16,50 @@ * 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 void setNumberOfPage(int numberOfPages) { + this.numberOfPages = numberOfPages; + } + public int getNumberOfPages() { + return numberOfPages; + } + + public void setName(String name) { + this.name = name; + } + public String getName() { + return 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..e4cfd069 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 @@ -5,7 +5,7 @@ /** * Сущность учебника. Он должен быть унаследован от сущности Book - * + *

* Необходимо: * 1) Унаследовать данный класс от класса Book * 2) Создать список полей с указанными типами ровно в этом порядке: @@ -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 numberOfpage, String name, String authorName, String authorlastName, LocalDate publishDate) { + super(numberOfpage, name); + this.authorName = authorName; + this.authorLastName = authorlastName; + this.publishDate = publishDate; + } + + public String getAuthorName() { + return authorName; + } + + public String getAuthorLastName() { + return authorLastName; + } + + public LocalDate getPublishDate() { + return publishDate; + } + + public void setAuthorName(String authorName) { + this.authorName = authorName; + } + + public void setAuthorLastName(String authorLastName) { + this.authorLastName = authorLastName; + } + + public void setPublishDate(LocalDate publishDate) { + this.publishDate = publishDate; + } + + @Override + public int hashCode() { + return Objects.hash(authorName, authorLastName, publishDate); + } + + @Override + public String toString() { + return "SchoolBook{" + + "authorName='" + authorName + '\'' + + ", authorLastName='" + authorLastName + '\'' + + ", 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 authorName.equals(that.authorName) && + authorLastName.equals(that.authorLastName) && + publishDate.equals(that.publishDate); + } } 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..a1d8ba92 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java @@ -0,0 +1,54 @@ +package com.epam.izh.rd.online.repository; + +import com.epam.izh.rd.online.entity.Author; + +public class SimpleAuthorRepository implements AuthorRepository { + @Override + public boolean save(Author author) { + if (findByFullName(author.getName(), author.getLastName()) == null) { + Author[] temp = new Author[authors.length + 1]; + for (int i = 0; i < authors.length; i++) { + temp[i] = authors[i]; + } + temp[authors.length] = author; + authors = temp; + return true; + } + 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) { + if (findByFullName(author.getName(), author.getLastName()) == null) { + return false; + } else { + int i = 0; + Author[] temp = new Author[authors.length - 1]; + for (Author a: authors) { + if (a != findByFullName(author.getName(), author.getLastName())) { + temp[i] = a; + i++; + } + } + authors = temp; + return true; + } + } + + @Override + public int count() { + return authors.length; + } + + private Author[] authors = new Author[]{}; +} 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..bff57285 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java @@ -0,0 +1,61 @@ +package com.epam.izh.rd.online.repository; + +import com.epam.izh.rd.online.entity.SchoolBook; + +import java.util.Arrays; + +public class SimpleSchoolBookRepository implements BookRepository { + + @Override + public boolean save(SchoolBook book) { + SchoolBook[] temp = new SchoolBook[schoolBooks.length + 1]; + for (int i = 0; i < schoolBooks.length; i++) { + temp[i] = schoolBooks[i]; + } + temp[schoolBooks.length] = book; + schoolBooks = temp; + return true; + } + + @Override + public SchoolBook[] findByName(String name) { + if (schoolBooks != null) { + int i = 0; + SchoolBook[] findBook = new SchoolBook[schoolBooks.length]; + for (SchoolBook scBook : schoolBooks) { + if (scBook.getName().equals(name)) { + findBook[i] = scBook; + i++; + } + } + return Arrays.copyOf(findBook, i); + } else return new SchoolBook[0]; + } + + @Override + public boolean removeByName(String name) { + if (schoolBooks != null) { + int count = 1; + for (int i = 0; i < schoolBooks.length; i++) { + if (schoolBooks[i].getName().equals(name)) { + schoolBooks[i] = schoolBooks[schoolBooks.length - count]; + count++; + } + } + if (count > 1) { + schoolBooks = Arrays.copyOf(schoolBooks, schoolBooks.length - (count - 1)); + return true; + } else { + return false; + } + } + return false; + } + + @Override + public int count() { + return schoolBooks.length; + } + + private SchoolBook[] schoolBooks = new SchoolBook[]{}; +} 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..073cf312 --- /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 { + @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(); + } + + public SimpleAuthorService() { + } + + + public SimpleAuthorService(AuthorRepository authorRepository) { + this.authorRepository = authorRepository; + } + + private AuthorRepository authorRepository; +} 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..945fa2e7 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/service/SimpleSchoolBookService.java @@ -0,0 +1,65 @@ +package com.epam.izh.rd.online.service; + +import com.epam.izh.rd.online.entity.Author; +import com.epam.izh.rd.online.entity.SchoolBook; +import com.epam.izh.rd.online.repository.BookRepository; + +public class SimpleSchoolBookService implements BookService { + + public SimpleSchoolBookService() { + } + + public SimpleSchoolBookService(BookRepository schoolBookBookRepository, AuthorService authorService) { + this.schoolBookBookRepository = schoolBookBookRepository; + this.authorService = authorService; + } + + public SimpleSchoolBookService(BookRepository schoolBookBookRepository) { + this.schoolBookBookRepository = schoolBookBookRepository; + } + + @Override + public boolean save(SchoolBook book) { + if (authorService.findByFullName(book.getAuthorName(), book.getAuthorLastName()) != null) { + schoolBookBookRepository.save(book); + return true; + } + return false; + + } + + @Override + public SchoolBook[] findByName(String name) { + return schoolBookBookRepository.findByName(name); + } + + @Override + public int getNumberOfBooksByName(String name) { + SchoolBook[] schoolBooks = findByName(name); + return schoolBooks.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[] schoolBooks = schoolBookBookRepository.findByName(name); + if (schoolBooks.length > 0) { + String authorName = schoolBooks[0].getAuthorName(); + String authorLastName = schoolBooks[0].getAuthorLastName(); + return authorService.findByFullName(authorName, authorLastName); + } + return null; + } + + private AuthorService authorService; + private BookRepository schoolBookBookRepository; +}