Dev

pom.xml

@@ -10,7 +10,6 @@
 
 <name>spring5webapp</name>
 <description>Demo project for Spring Boot</description>
-
 <parent>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-parent</artifactId>
@@ -33,6 +32,11 @@
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-data-jpa</artifactId>
 </dependency>
+<dependency>
+<groupId>commons-logging</groupId>
+<artifactId>commons-logging</artifactId>
+<version>1.1.1</version>
+</dependency>
 <dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-thymeleaf</artifactId>

src/main/java/guru/springframework/spring5webapp/bootstrap/BootStrapData.java

@@ -0,0 +1,69 @@
+package guru.springframework.spring5webapp.bootstrap;
+
+import guru.springframework.spring5webapp.domain.Author;
+import guru.springframework.spring5webapp.domain.Book;
+import guru.springframework.spring5webapp.domain.Publisher;
+import guru.springframework.spring5webapp.repositories.AuthorRepository;
+import guru.springframework.spring5webapp.repositories.BookRepository;
+import guru.springframework.spring5webapp.repositories.PublisherRepository;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.stereotype.Component;
+
+/**
+ * Created by wali eldin on 12/23/19.
+ */
+@Component
+public class BootStrapData implements CommandLineRunner {
+
+ private final AuthorRepository authorRepository;
+ private final BookRepository bookRepository;
+ private final PublisherRepository publisherRepository;
+
+ public BootStrapData(AuthorRepository authorRepository, BookRepository bookRepository, PublisherRepository publisherRepository) {
+ this.authorRepository = authorRepository;
+ this.bookRepository = bookRepository;
+ this.publisherRepository = publisherRepository;
+ }
+
+ @Override
+ public void run(String... args) throws Exception {
+
+ System.out.println("Started in Bootstrap");
+
+ Publisher publisher = new Publisher();
+ publisher.setName("SFG Publishing");
+ publisher.setCity("St Petersburg");
+ publisher.setState("FL");
+
+ publisherRepository.save(publisher);
+
+ System.out.println("Publisher Count: " + publisherRepository.count());
+
+ Author eric = new Author("Eric", "Evans");
+ Book ddd = new Book("Domain Driven Design", "123123");
+ eric.getBooks().add(ddd);
+ ddd.getAuthors().add(eric);
+
+ ddd.setPublisher(publisher);
+ publisher.getBooks().add(ddd);
+
+ authorRepository.save(eric);
+ bookRepository.save(ddd);
+ publisherRepository.save(publisher);
+
+ Author rod = new Author("Rod", "Johnson");
+ Book noEJB = new Book("J2EE Development without EJB", "3939459459");
+ rod.getBooks().add(noEJB);
+ noEJB.getAuthors().add(rod);
+
+ noEJB.setPublisher(publisher);
+ publisher.getBooks().add(noEJB);
+
+ authorRepository.save(rod);
+ bookRepository.save(noEJB);
+ publisherRepository.save(publisher);
+
+ System.out.println("Number of Books: " + bookRepository.count());
+ System.out.println("Publisher Number of Books: " + publisher.getBooks().size());
+ }
+}

src/main/java/guru/springframework/spring5webapp/controllers/BookController.java

@@ -0,0 +1,23 @@
+package guru.springframework.spring5webapp.controllers;
+
+import guru.springframework.spring5webapp.repositories.BookRepository;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+public class BookController {
+ private final BookRepository bookRepository;
+
+ public BookController(BookRepository bookRepository) {
+ this.bookRepository = bookRepository;
+ }
+
+
+ @RequestMapping("/books")
+ public String index (Model model)
+ {
+ model.addAttribute("books",bookRepository.findAll());
+ return "books/list";
+ }
+}

src/main/java/guru/springframework/spring5webapp/domain/Author.java

@@ -0,0 +1,80 @@
+package guru.springframework.spring5webapp.domain;
+
+import javax.persistence.*;
+import java.util.HashSet;
+import java.util.Objects;
+import java.util.Set;
+@Entity
+public class Author {
+ @Id
+ @GeneratedValue(strategy = GenerationType.AUTO)
+ private Long id;
+ private String firstName;
+ private String lastName;
+
+ @ManyToMany(mappedBy = "authors")
+ private Set<Book> books=new HashSet<>();
+
+ public Author()
+ {
+
+ }
+ public Author( String firstName, String lastName) {
+
+ this.firstName = firstName;
+ this.lastName = lastName;
+ }
+
+ public Set<Book> getBooks() {
+ return books;
+ }
+
+ public void setBooks(Set<Book> books) {
+ this.books = books;
+ }
+
+ public String getFirstName() {
+ return firstName;
+ }
+
+ public void setFirstName(String firstName) {
+ this.firstName = firstName;
+ }
+
+ public String getLastName() {
+ return lastName;
+ }
+
+ public void setLastName(String lastName) {
+ this.lastName = lastName;
+ }
+
+ public Long getId() {
+ return id;
+ }
+
+ public void setId(Long id) {
+ this.id = id;
+ }
+ @Override
+ public String toString() {
+ return "Book{" +
+ "id=" + id +
+ ", firstName='" + firstName + '\'' +
+ ", lastName='" + lastName + '\'' +
+ ", books=" + books +
+ '}';
+ }
+ @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(id, author.id);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(id);
+ }
+}

src/main/java/guru/springframework/spring5webapp/domain/Book.java

@@ -0,0 +1,100 @@
+package guru.springframework.spring5webapp.domain;
+
+import javax.persistence.*;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Created by wali eldin on 12/22/19.
+ */
+@Entity
+public class Book {
+
+ @Id
+ @GeneratedValue(strategy = GenerationType.AUTO)
+ private Long id;
+
+ private String title;
+ private String isbn;
+
+ @ManyToOne
+ private Publisher publisher;
+
+ @ManyToMany
+ @JoinTable(name = "author_book", joinColumns = @JoinColumn(name = "book_id"),
+ inverseJoinColumns = @JoinColumn(name = "author_id"))
+ private Set<Author> authors = new HashSet<>();
+
+ public Book() {
+ }
+
+ public Book(String title, String isbn) {
+ this.title = title;
+ this.isbn = isbn;
+ }
+
+ public Publisher getPublisher() {
+ return publisher;
+ }
+
+ public void setPublisher(Publisher publisher) {
+ this.publisher = publisher;
+ }
+
+ public Long getId() {
+ return id;
+ }
+
+ public void setId(Long id) {
+ this.id = id;
+ }
+
+ public String getTitle() {
+ return title;
+ }
+
+ public void setTitle(String title) {
+ this.title = title;
+ }
+
+ public String getIsbn() {
+ return isbn;
+ }
+
+ public void setIsbn(String isbn) {
+ this.isbn = isbn;
+ }
+
+ public Set<Author> getAuthors() {
+ return authors;
+ }
+
+ public void setAuthors(Set<Author> authors) {
+ this.authors = authors;
+ }
+
+ @Override
+ public String toString() {
+ return "Book{" +
+ "id=" + id +
+ ", title='" + title + '\'' +
+ ", isbn='" + isbn + '\'' +
+ ", authors=" + authors +
+ '}';
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+
+ Book book = (Book) o;
+
+ return id != null ? id.equals(book.id) : book.id == null;
+ }
+
+ @Override
+ public int hashCode() {
+ return id != null ? id.hashCode() : 0;
+ }
+}