// Retrieve all the books from database
public List<BookDetails> getAllBook() {
String sql = "select * from books";
ArrayList<BookDetails> list = new ArrayList<BookDetails>();
try {
getConnection();
PreparedStatement pstmt = con.prepareStatement(sql);
ResultSet rs = pstmt.executeQuery();
while (rs != null && rs.next()) {
BookDetails book = new BookDetails();
book.setBookId(rs.getString("id"));
book.setDescription(rs.getString("description"));
book.setFirstName(rs.getString("first_name"));
book.setInventory(rs.getInt("inventory"));
book.setOnSale(rs.getBoolean("onSale"));
book.setPrice(rs.getFloat("price"));
book.setSurname(rs.getString("surname"));
book.setTitle(rs.getString("title"));
book.setYear(rs.getInt("calendar_year"));
list.add(book);
}
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
return list;
}
// Retrieve book details based on bookId, null is returned if book is not found
public BookDetails getBookDetails(String bookId) {
String sql = "select * from books where id = ?";
BookDetails book = null;
try {
getConnection();
PreparedStatement pstmt = con.prepareStatement(sql);
pstmt.setString(1, bookId);
ResultSet rs = pstmt.executeQuery();
if (rs != null && rs.next()) {
book = new BookDetails();
book.setBookId(rs.getString("id"));
book.setDescription(rs.getString("description"));
book.setFirstName(rs.getString("first_name"));
book.setInventory(rs.getInt("inventory"));
book.setOnSale(rs.getBoolean("onSale"));
book.setPrice(rs.getFloat("price"));
book.setSurname(rs.getString("surname"));
book.setTitle(rs.getString("title"));
book.setYear(rs.getInt("calendar_year"));
}
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
return book;
}