Display authors

pom.xml

@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.0.0.M5</version>
+		<version>2.1.0.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 

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

@@ -0,0 +1,60 @@
+package guru.springframework.spring5webapp.bootstrap;
+
+import guru.springframework.spring5webapp.model.Author;
+import guru.springframework.spring5webapp.model.Book;
+import guru.springframework.spring5webapp.model.Publisher;
+import guru.springframework.spring5webapp.repositories.AuthorRepository;
+import guru.springframework.spring5webapp.repositories.BookRepository;
+import guru.springframework.spring5webapp.repositories.PublisherRepository;
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.stereotype.Component;
+
+/**
+ * Created by jt on 5/16/17.
+ */
+@Component
+public class DevBootstrap implements ApplicationListener<ContextRefreshedEvent> {
+
+    private AuthorRepository authorRepository;
+    private BookRepository bookRepository;
+    private PublisherRepository publisherRepository;
+
+    public DevBootstrap(AuthorRepository authorRepository, BookRepository bookRepository, PublisherRepository publisherRepository) {
+        this.authorRepository = authorRepository;
+        this.bookRepository = bookRepository;
+        this.publisherRepository = publisherRepository;
+    }
+
+    @Override
+    public void onApplicationEvent(ContextRefreshedEvent contextRefreshedEvent) {
+        initData();
+    }
+
+    private void initData(){
+
+        Publisher publisher = new Publisher();
+        publisher.setName("foo");
+        publisher.setAddress("12th Street, LA");
+        publisherRepository.save(publisher);
+
+        //Eric
+        Author eric = new Author("Eric", "Evans");
+        Book  ddd = new Book("Domain Driven Design", "1234", publisher);
+        eric.getBooks().add(ddd);
+        ddd.getAuthors().add(eric);
+
+        authorRepository.save(eric);
+        bookRepository.save(ddd);
+
+
+        //Rod
+        Author rod = new Author("Rod", "Johnson");
+        Book noEJB = new Book("J2EE Development without EJB", "23444", publisher );
+        rod.getBooks().add(noEJB);
+        noEJB.getAuthors().add(rod);
+
+        authorRepository.save(rod);
+        bookRepository.save(noEJB);
+    }
+}

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

@@ -0,0 +1,27 @@
+package guru.springframework.spring5webapp.controllers;
+
+import guru.springframework.spring5webapp.repositories.AuthorRepository;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+/**
+ * Created by jt on 5/18/17.
+ */
+@Controller
+public class AuthorController {
+
+    private AuthorRepository authorRepository;
+
+    public AuthorController(AuthorRepository authorRepository) {
+        this.authorRepository = authorRepository;
+    }
+
+    @RequestMapping("/authors")
+    public String getAuthors(Model model){
+
+        model.addAttribute("authors", authorRepository.findAll());
+
+        return "authors";
+    }
+}

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

@@ -0,0 +1,27 @@
+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;
+
+/**
+ * Created by jt on 5/18/17.
+ */
+@Controller
+public class BookController {
+
+    private BookRepository bookRepository;
+
+    public BookController(BookRepository bookRepository) {
+        this.bookRepository = bookRepository;
+    }
+
+    @RequestMapping("/books")
+    public String getBooks(Model model){
+
+        model.addAttribute("books", bookRepository.findAll());
+
+        return "books";
+    }
+}

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

@@ -0,0 +1,92 @@
+package guru.springframework.spring5webapp.model;
+
+import javax.persistence.*;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Created by jt on 5/16/17.
+ */
+@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 Author(String firstName, String lastName, Set<Book> books) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.books = books;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    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 Set<Book> getBooks() {
+        return books;
+    }
+
+    public void setBooks(Set<Book> books) {
+        this.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 id != null ? id.equals(author.id) : author.id == null;
+    }
+
+    @Override
+    public int hashCode() {
+        return id != null ? id.hashCode() : 0;
+    }
+
+    @Override
+    public String toString() {
+        return "Author{" +
+                "id=" + id +
+                ", firstName='" + firstName + '\'' +
+                ", lastName='" + lastName + '\'' +
+                ", books=" + books +
+                '}';
+    }
+}

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

@@ -0,0 +1,107 @@
+package guru.springframework.spring5webapp.model;
+
+import javax.persistence.*;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Created by jt on 5/16/17.
+ */
+@Entity
+public class Book {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+    private String title;
+    private String isbn;
+
+    @OneToOne
+    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, Publisher publisher) {
+        this.title = title;
+        this.isbn = isbn;
+        this.publisher = publisher;
+    }
+
+    public Book(String title, String isbn, Publisher publisher, Set<Author> authors) {
+        this.title = title;
+        this.isbn = isbn;
+        this.publisher = publisher;
+        this.authors = authors;
+    }
+
+    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 Publisher getPublisher() {
+        return publisher;
+    }
+
+    public void setPublisher(Publisher publisher) {
+        this.publisher = publisher;
+    }
+
+    public Set<Author> getAuthors() {
+        return authors;
+    }
+
+    public void setAuthors(Set<Author> authors) {
+        this.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;
+    }
+
+    @Override
+    public String toString() {
+        return "Book{" +
+                "id=" + id +
+                ", title='" + title + '\'' +
+                ", isbn='" + isbn + '\'' +
+                ", publisher='" + publisher + '\'' +
+                ", authors=" + authors +
+                '}';
+    }
+}

src/main/java/guru/springframework/spring5webapp/model/Publisher.java

@@ -0,0 +1,67 @@
+package guru.springframework.spring5webapp.model;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+/**
+ * Created by jt on 5/17/17.
+ */
+@Entity
+public class Publisher {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+    private String name;
+    private String address;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String address) {
+        this.address = address;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Publisher publisher = (Publisher) o;
+
+        return id != null ? id.equals(publisher.id) : publisher.id == null;
+    }
+
+    @Override
+    public int hashCode() {
+        return id != null ? id.hashCode() : 0;
+    }
+
+    @Override
+    public String toString() {
+        return "Publisher{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", address='" + address + '\'' +
+                '}';
+    }
+}