@POST
@Produces(MediaType.APPLICATION_JSON)
@Timed(name = "create-book")
public Response createBook(BookLink bookRequest) {
ArrayList<LinkDto> authorArray = new ArrayList();
Book newBook =
new Book(
bookRequest.getBookTitle(),
bookRequest.getBookAuthors(),
bookRequest.getBookLanguage(),
bookRequest.getNoOfPages(),
bookRequest.getPublication_date(),
bookRequest.getBookStatus(),
bookRequest.getBookReviews()); // newbook created
Long new_isbn = newBook.getNewIsbn();
Map<Long, Author> authorMap = new HashMap<Long, Author>();
book_map.put(new_isbn, newBook);
for (Author author : bookRequest.getBookAuthors()) {
Long author_id = author.createAuthorID();
authorMap.put(author_id, author);
authorArray.add(
new LinkDto("view-author", "/books/" + new_isbn + "/authors/" + author_id, "GET"));
}
newBook.setBookAuthors(authorArray);
AuthorHashMap.put(new_isbn, authorMap);
LinksDto linkResponse = new LinksDto();
linkResponse.addLink(new LinkDto("view-book", "/books/" + new_isbn, "GET"));
linkResponse.addLink(new LinkDto("update-book", "/books/" + new_isbn, "PUT"));
linkResponse.addLink(new LinkDto("delete-book", "/books/" + new_isbn, "PUT"));
linkResponse.addLink(new LinkDto("create-review", "/books/" + new_isbn + "/reviews", "POST"));
return Response.created(null).entity(linkResponse).build();
}
@GET
@Path("/{reviewId}")
@Timed(name = "view-book-by-reviewId")
public Response viewBookReview(
@PathParam("isbn") LongParam isbn, @PathParam("reviewId") IntParam reviewId) {
Book book = bookRepository.getBookByISBN(isbn.get());
ReviewDto reviewResponse = null;
List<Review> reviewList = book.getReview();
List<Review> tempList = new ArrayList<Review>();
for (Review reviewObj : reviewList) {
if (reviewObj.getId() == reviewId.get()) tempList.add(reviewObj);
}
reviewResponse = new ReviewDto(tempList);
String location = "/books/" + book.getIsbn() + "/reviews/";
HashMap<String, Object> map = new HashMap<String, Object>();
Review review = reviewResponse.getReviewList().get(0);
map.put("review", review);
reviewResponse.addLink(new LinkDto("view-review", location + reviewId.get(), "GET"));
map.put("links", reviewResponse.getLinks());
return Response.status(200).entity(map).build();
}
// ****VIEWING A BOOK****
@GET
@Path("/{isbn}")
@Timed(name = "view-book")
public BookDto getBookByIsbn(@PathParam("isbn") LongParam isbn) {
Book book = bookRepository.getBookByISBN(isbn.get());
BookDto bookResponse = new BookDto(book);
bookResponse.addLink(new LinkDto("view-book", "/books/" + book.getIsbn(), "GET"));
bookResponse.addLink(new LinkDto("update-book", "/books/" + book.getIsbn(), "POST"));
return bookResponse;
}
// ****DISAPLAYING ALL REVIEWS****
@GET
@Path("/{isbn}/reviews")
@Timed(name = "view-all-reviews")
public ReviewsDto displayReviews(@PathParam("isbn") long isbn) {
Book book = bookRepository.getBookByISBN(isbn);
ReviewsDto response = new ReviewsDto(book.getReviews());
return response;
}
@GET
@Timed(name = "view-book-review")
public Response viewAllBookReview(@PathParam("isbn") LongParam isbn, Review request) {
Book book = bookRepository.getBookByISBN(isbn.get());
ReviewDto reviewResponse = new ReviewDto(book.getReview());
HashMap<String, Object> map = new HashMap<String, Object>();
map.put("reviews", reviewResponse.getReviewList());
map.put("links", new ArrayList<String>());
return Response.status(200).entity(map).build();
}
// ****DISPLAYING A REVIEWS****
@GET
@Path("/{isbn}/reviews/{id}")
@Timed(name = "view-review")
public Response displayReview(@PathParam("isbn") long isbn, @PathParam("id") long id) {
int i = 0;
Book book = bookRepository.getBookByISBN(isbn);
ReviewDto response = new ReviewDto(book.getoneReview(i));
LinksDto links = new LinksDto();
links.addLink(
new LinkDto(
"view-review",
"/books/" + book.getIsbn() + "/reviews/" + book.getoneReview(i).getId(),
"GET"));
return Response.ok(links).build();
}
// ****CREATING A BOOK****
@POST
@Timed(name = "create-book")
public Response createBook(Book request) {
// Store the new book in the BookRepository so that we can retrieve it.
Book savedBook = bookRepository.saveBook(request);
String location = "/books/" + savedBook.getIsbn();
BookDto bookResponse = new BookDto(savedBook);
ArrayList<LinkDto> links = new ArrayList<LinkDto>();
links.add(new LinkDto("view-book", location, "GET"));
links.add(new LinkDto("update-book", location, "PUT"));
links.add(new LinkDto("add-book", location, "POST"));
links.add(new LinkDto("delete-book", location, "DELETE"));
return Response.status(201).entity(links).build();
}
@PUT
@Path("/{isbn}")
@Timed(name = "update-book")
public Response updateBookStatus(
@PathParam("isbn") LongParam isbn, @QueryParam("status") String status) {
Book book = (Book) book_map.get(isbn.get());
book.setNewStatus(status);
LinksDto response = new LinksDto();
response.addLink(new LinkDto("view-book", "/books/" + isbn, "GET"));
response.addLink(new LinkDto("update-book", "/books/" + isbn, "PUT"));
response.addLink(new LinkDto("delete-book", "/books/" + isbn, "DELETE"));
response.addLink(new LinkDto("create-review", "/books/" + isbn + "/reviews", "POST"));
if (reviewsArray.size() > 0)
response.addLink(new LinkDto("view-all-reviews", "/books/" + isbn + "/reviews", "GET"));
return Response.ok(response).build();
}
// ****UPDATING THE BOOK****
@PUT
@Path("/{isbn}")
@Timed(name = "update-book")
public Response updateBook(
@PathParam("isbn") long isbn, @QueryParam("status") String status, Book request) {
Book book = bookRepository.getBookByISBN(isbn);
Book book1 = new Book();
if (book.getIsbn() == isbn) book1 = bookRepository.updateBook(isbn, status);
String location = "/books/" + book1.getIsbn();
BookDto bookResponse = new BookDto(book1);
ArrayList<LinkDto> links = new ArrayList<LinkDto>();
links.add(new LinkDto("view-book", location, "GET"));
links.add(new LinkDto("update-book", location, "PUT"));
links.add(new LinkDto("add-book", location, "POST"));
links.add(new LinkDto("delete-book", location, "DELETE"));
return Response.status(201).entity(links).build();
}
// ****CREATING REVIEWS****
@POST
@Path("/{isbn}/reviews")
@Timed(name = "create-review")
public Response createReview(@Valid Review reviews, @PathParam("isbn") long isbn) {
Book retrieveBook = bookRepository.getBookByISBN(isbn);
reviews.setId((int) reviewID);
retrieveBook.getReviews().add(reviews);
reviewID++;
ReviewDto reviewResponse = new ReviewDto();
reviewResponse.addLink(
new LinkDto(
"view-review",
"/books/" + retrieveBook.getIsbn() + "/reviews/" + reviews.getId(),
"GET"));
return Response.status(201).entity(reviewResponse.getLinks()).build();
}
@POST
@Timed(name = "create-review")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public Response createReview(@PathParam("isbn") LongParam isbn, Review request) {
// int rating = request.getRating();
if (request.getComment() == null) {
return Response.status(400).type("text/plain").entity(" Comment is a required field").build();
}
if (request.getRating() == 0) {
return Response.status(400)
.type("text/plain")
.entity(" Rating is a required field !!!!")
.build();
}
final List<Integer> ratingList = Arrays.asList(1, 2, 3, 4, 5);
if (!(ratingList.contains(request.getRating()))) {
return Response.status(400)
.type("text/plain")
.entity("Invalid value for Rating. Ratings can be between 1 - 5 stars")
.build();
}
Review reviewObject = bookRepository.createReview(isbn.get(), request);
Book book = bookRepository.getBookByISBN(isbn.get());
String location = "/books/" + book.getIsbn() + "/reviews/" + reviewObject.getId();
BookDto bookResponse = new BookDto(book);
bookResponse.addLink(new LinkDto("view-review", location, "GET"));
HashMap<String, Object> map = new HashMap<String, Object>();
map.put("links", bookResponse.getLinks());
return Response.status(201).entity(map).build();
}
/** This will auto-generate unique ISBN for new books. */
@Override
public Book saveBook(Book newBook) {
checkNotNull(newBook, "newBook instance must not be null");
// Generate new ISBN
Long isbn = generateISBNKey();
newBook.setIsbn(isbn);
// TODO: create and associate other fields such as author
// Finally, save the new book into the map
bookInMemoryMap.putIfAbsent(isbn, newBook);
return newBook;
}
private ConcurrentHashMap<Long, Book> seedData() {
ConcurrentHashMap<Long, Book> bookMap = new ConcurrentHashMap<Long, Book>();
Book book = new Book();
book.setIsbn(1);
book.setCategory("computer");
book.setTitle("Java Concurrency in Practice");
try {
book.setCoverimage(new URL("http://goo.gl/N96GJN"));
} catch (MalformedURLException e) {
// eat the exception
}
bookMap.put(book.getIsbn(), book);
book = new Book();
book.setIsbn(2);
book.setCategory("computer");
book.setTitle("Restful Web Services");
try {
book.setCoverimage(new URL("http://goo.gl/ZGmzoJ"));
} catch (MalformedURLException e) {
// eat the exception
}
bookMap.put(book.getIsbn(), book);
return bookMap;
}
@Override
public void addNewBook(Book newBook) {
// TODO Auto-generated method stub
bookInMemoryMap.putIfAbsent(newBook.getIsbn(), newBook);
}
public Runnable listener() throws JMSException {
long isbn;
String bookTitle;
String bookCategory;
String webURL;
Book tempBook = new Book();
ArrayList<String> arrivals = new ArrayList<String>();
StompJmsConnectionFactory factory = new StompJmsConnectionFactory();
factory.setBrokerURI("tcp://" + apolloHost + ":" + apolloPort);
System.currentTimeMillis();
// System.out.println("Waiting for messages...");
while (true) {
Connection connection = factory.createConnection(apolloUser, apolloPassword);
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Destination dest = new StompJmsDestination(stompTopic);
MessageConsumer consumer = session.createConsumer(dest);
while (true) {
Message msg = consumer.receive(500);
if (msg == null) break;
if (msg instanceof TextMessage) {
String body = ((TextMessage) msg).getText();
arrivals.add(body);
} else {
System.out.println("Unexpected message type: " + msg.getClass());
}
}
connection.close();
if (!arrivals.isEmpty()) {
for (String arrival : arrivals) {
isbn = Long.parseLong(arrival.split(":")[0]);
bookTitle = arrival.split(":")[1].replaceAll("^\"|\"$", "");
bookCategory = arrival.split(":")[2].replaceAll("^\"|\"$", "");
webURL = arrival.split(":\"")[3];
webURL = webURL.substring(0, webURL.length() - 1);
tempBook = bookRepository.getBookByISBN(isbn);
// System.out.println("tempBook is "+tempBook);
// System.out.println("dummyBook is "+dummyBook);
if (tempBook.getIsbn() == 0) {
// System.out.println("reachable");
tempBook.setIsbn(isbn);
tempBook.setCategory(bookCategory);
tempBook.setTitle(bookTitle);
try {
tempBook.setCoverimage(new URL(webURL));
} catch (MalformedURLException e) {
e.printStackTrace();
}
bookRepository.addBook(tempBook);
} else {
// System.out.println("reachable, changing to available");
tempBook.setStatus(Status.available);
}
}
arrivals.clear();
}
}
}
