From 379ac2ec2b01c594f83d120bda0f72afccb97750 Mon Sep 17 00:00:00 2001 From: Philipp3000 Date: Sat, 3 Oct 2020 00:22:26 +0300 Subject: [PATCH] HellO --- .../java/com/epam/izh/rd/online/Main.java | 4 +- .../com/epam/izh/rd/online/entity/Author.java | 71 +++++++++++++++++++ .../com/epam/izh/rd/online/entity/Book.java | 47 ++++++++++++ .../epam/izh/rd/online/entity/SchoolBook.java | 68 ++++++++++++++++++ .../repository/SimpleAuthorRepository.java | 49 +++++++++++++ .../SimpleSchoolBookRepository.java | 52 ++++++++++++++ .../online/service/SimpleAuthorService.java | 36 ++++++++++ .../service/SimpleSchoolBookService.java | 54 ++++++++++++++ 8 files changed, 380 insertions(+), 1 deletion(-) create mode 100644 src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java create mode 100644 src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java create mode 100644 src/main/java/com/epam/izh/rd/online/service/SimpleAuthorService.java create mode 100644 src/main/java/com/epam/izh/rd/online/service/SimpleSchoolBookService.java 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..b5545665 100644 --- a/src/main/java/com/epam/izh/rd/online/Main.java +++ b/src/main/java/com/epam/izh/rd/online/Main.java @@ -1,8 +1,10 @@ package com.epam.izh.rd.online; + public class Main { - public static void main(String[] args) { + 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..3611e45c 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..d0dd7e2c 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 +16,52 @@ * 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..0085e28b 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 @@ -21,4 +21,72 @@ */ 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/SimpleAuthorRepository.java b/src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java new file mode 100644 index 00000000..8f05bdbb --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java @@ -0,0 +1,49 @@ +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[0]; + + @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().toUpperCase().equals(name.toUpperCase()) && + author.getLastName().toUpperCase().equals(lastname.toUpperCase())) return author; + } + return null; + } + + @Override + public boolean remove(Author author) { + if (findByFullName(author.getName(),author.getLastName())==null) return false; + int count = 0; + for (int i = 0; i < authors.length; i++) { + if (authors[i].getName() == null) { + count = i; + break; + } + } + for (int i = count; i < authors.length - 1; i++) { + authors[i-1] = authors[i]; + } + 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..5d13c9e0 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java @@ -0,0 +1,52 @@ +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[0]; + + @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[] demo = new SchoolBook[0]; + for (int i = 0; i < schoolBooks.length; i++) { + if (schoolBooks[i].getName().toUpperCase().equals(name.toUpperCase())){ + demo = Arrays.copyOf(demo,demo.length + 1); + demo[demo.length-1] = schoolBooks[i]; + } + } + return demo; + } + + @Override + public boolean removeByName(String name) { + int count = 0; + for (int i = 0; i < schoolBooks.length; i++) { + if (schoolBooks[i].getName().toUpperCase().equals(name.toUpperCase())) count++; + } + if (count == 0) return false; + SchoolBook[] demo = new SchoolBook[0]; + for (int i = 0; i < schoolBooks.length; i++) { + if (!schoolBooks[i].getName().toUpperCase().equals(name.toUpperCase())){ + demo = Arrays.copyOf(demo,demo.length + 1); + demo[demo.length-1] = schoolBooks[i]; + } + } + schoolBooks = Arrays.copyOf(demo,demo.length); + return true; + } + + @Override + public int count() { + return schoolBooks.length; + } +} 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..b29370d7 --- /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(); + } +} 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..bc9413d4 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/service/SimpleSchoolBookService.java @@ -0,0 +1,54 @@ +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 { + + private BookRepository schoolBookBookRepository; + private AuthorService authorService; + + public SimpleSchoolBookService() { + } + + 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) { + SchoolBook[] demo = schoolBookBookRepository.findByName(name); + return demo.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[] demo = findByName(name); + if (demo.length == 0) return null; + return authorService.findByFullName(demo[0].getAuthorName(),demo[0].getAuthorLastName()); + } +}