Learn Java for Web Development

218 CHAPTER 5: Building Java Web Applications with Spring Web MVC

Listing 5-18. BookService Interface

package com.apress.aop;

import java.util.List;

public interface BookService {
public List getAllBooks();

}

Listing 5-19 illustrates the implementation of this BookService.

Listing 5-19. BookService Implementation

1. package com.apress.aop;


2. 
   


3. import java.util.ArrayList;


4. import java.util.List;


5. 
   


6. public class BookServiceImpl implements BookService{


7. private static List bookList;


8. static {


9. 
   


10. Book book1 = new Book();


11. book1.setId((long)1);


12. book1.setBookTitle("Modern Java");


13. 
    


14. Book book2 = new Book();


15. book2.setId((long)2);


16. book2.setBookTitle("Beginning Groovy");


17. 
    


18. Book book3 = new Book();


19. book3.setId((long)2);


20. book3.setBookTitle("Beginning Scala");


21. 
    


22. bookList = new ArrayList();


23. bookList.add(book1);


24. bookList.add(book2);


25. bookList.add(book3);


26. }


27. 
    


28. 
    


29. public List getAllBooks() {


30. for(Book b: bookList){


31. System.out.println("Books:"+b.getBookTitle());


32. }


33. return bookList;


34. }


35. }