public static Collection<Object[]> prepareData() throws Exception {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
format.setTimeZone(TimeZone.getTimeZone("+0"));
User user = new User("liangfei", "admin", "Y", 1, 3);
Book[] books = new Book[10];
books[0] = new Book("Practical API Design", "Jaroslav Tulach", "Apress", format.parse("2008-07-29"), 75, 85);
books[1] = new Book("Effective Java", "Joshua Bloch", "Addison-Wesley Professional", format.parse("2008-05-28"), 55, 70);
books[2] = new Book("Java Concurrency in Practice", "Doug Lea", "Addison-Wesley Professional", format.parse("2006-05-19"), 60, 60);
books[3] = new Book("Java Programming Language", "James Gosling", "Prentice Hall", format.parse("2005-08-27"), 65, 75);
books[4] = new Book("Domain-Driven Design", "Eric Evans", "Addison-Wesley Professional", format.parse("2003-08-30"), 70, 80);
books[5] = new Book("Agile Project Management with Scrum", "Ken Schwaber", "Microsoft Press", format.parse("2004-03-10"), 40, 80);
books[6] = new Book("J2EE Development without EJB", "Rod Johnson", "Wrox", format.parse("2011-09-17"), 40, 70);
books[7] = new Book("Design Patterns", "Erich Gamma", "Addison-Wesley Professional", format.parse("1994-11-10"), 60, 80);
books[8] = new Book("Agile Software Development, Principles, Patterns, and Practices", " Robert C. Martin", "Prentice Hall", format.parse("2002-10-25"), 80, 75);
books[9] = new Book("Design by Contract, by Example", "Richard Mitchell", "Addison-Wesley Publishing Company", format.parse("2001-10-22"), 50, 85);
user.setBook(books[0]);
Book[] books2 = new Book[2];
books2[0] = new Book("Practical API Design2", "Jaroslav Tulach", "Apress", format.parse("2010-07-29"), 75, 85);
books2[1] = new Book("Effective Java2", "Joshua Bloch", "Addison-Wesley Professional", format.parse("2010-05-28"), 55, 70);
Map<String, Book> bookmap = new TreeMap<String, Book>();
Map<String, Map<String, Object>> mapbookmap = new TreeMap<String, Map<String, Object>>();
List<Map<String, Object>> mapbooklist = new ArrayList<Map<String, Object>>();
for (Book book : books) {
bookmap.put(book.getTitle().replaceAll("\\s+", ""), book);