libsys

Class BookFactory

java.lang.Object

libsys.BookFactory

public class BookFactory
extends java.lang.Object

Handles all the Book(s)

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.String	bookFilename
private java.util.List<Book>	books
private int	id

Constructor Summary

Constructors

Constructor and Description
BookFactory() Create a new empty BookFactory
BookFactory(java.lang.String bookFilename) Create a new BookFactory and fill it with information from a JSON file

Method Summary

Modifier and Type	Method and Description
Book	getBook(int index) Looks for a Book with the given id
Book	getBook(java.lang.String title) Linear search through the array list for Book with the given Title
(package private) Book	newBook(java.lang.String title, java.lang.String status) Adds a new Book into this class
private Book	search(int index, int start, int end) Recursive binary search through the array list for the Book with the given id
(package private) void	setBookFileName(java.lang.String bookFilename) Update the output filename for the object
(package private) void	toJsonFile() Output the data into a JSON file replacing the input file (or if filename not given, "books.json")
void	update(Book oldBook, Book newBook) Replacing a Book in the array list with a new Book

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

bookFilename

private java.lang.String bookFilename

books

private java.util.List<Book> books

id

private int id

Constructor Detail

BookFactory

public BookFactory()

Create a new empty BookFactory

BookFactory

public BookFactory(java.lang.String bookFilename)

Create a new BookFactory and fill it with information from a JSON file

Parameters:

bookFilename - Name of the input JSON file

Method Detail

getBook

public Book getBook(int index)

Looks for a Book with the given id

Parameters:

index - id of the Book to be found

Returns:

Book with the given id

getBook

public Book getBook(java.lang.String title)

Linear search through the array list for Book with the given Title

Parameters:

title - Title of the Book to be found

Returns:

Book with the given title

newBook

Book newBook(java.lang.String title,
             java.lang.String status)

Adds a new Book into this class

Parameters:

title - Title of the Book

status - Status of the Book

Returns:

The new Book that is just created

search

private Book search(int index,
                    int start,
                    int end)

Recursive binary search through the array list for the Book with the given id

Parameters:

index - id of the Book to be found

start - Starting point to search

end - Ending point to search

Returns:

Book with the given id

setBookFileName

void setBookFileName(java.lang.String bookFilename)

Update the output filename for the object

Parameters:

bookFilename - The new filename

toJsonFile

void toJsonFile()

Output the data into a JSON file replacing the input file (or if filename not given, "books.json")

update

public void update(Book oldBook,
                   Book newBook)

Replacing a Book in the array list with a new Book

Parameters:

oldBook - Book to be replaced

newBook - Book replacing it