private static void initLibrary(Library library)
throws ParserConfigurationException, SAXException, IOException,
IllegalLoanOperationException {
DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
loadCustomersFromXml(library, builder, new File("data/customers.xml"));
loadBooksFromXml(library, builder, new File("data/books.xml"));
// create pseudo random books and loans
createBooksAndLoans(library);
Collections.sort(library.getCustomers());
System.out.println("Initialisation of the library was successful!\n");
System.out.println("Books in library: " + library.getBooks().size());
System.out.println("Customers: " + library.getCustomers().size() + "\n");
System.out.println("Copies in library: " + library.getCopies().size());
System.out.println("Copies currently on loan: " + library.getLentOutBooks().size());
int lentBooksPercentage =
(int) (((double) library.getLentOutBooks().size()) / library.getCopies().size() * 100);
System.out.println("Percent copies on loan: " + lentBooksPercentage + "%");
System.out.println("Copies currently overdue: " + library.getOverdueLoans().size());
}
private static void createOverdueLoanForCopy(Library library, Copy copy, int position)
throws IllegalLoanOperationException {
Loan l = library.createAndAddLoan(getCustomer(library, position), copy);
GregorianCalendar pickup = l.getPickupDate();
pickup.add(GregorianCalendar.MONTH, -1);
pickup.add(GregorianCalendar.DAY_OF_MONTH, -position % 15);
l.setPickupDate(pickup);
}
private static void createLoansForCopy(Library library, Copy copy, int position, int count)
throws IllegalLoanOperationException {
// Create Loans in the past
for (int i = count; i > 1; i--) {
Loan l = library.createAndAddLoan(getCustomer(library, position + i), copy);
GregorianCalendar pickup = l.getPickupDate();
pickup.add(GregorianCalendar.MONTH, -i);
pickup.add(GregorianCalendar.DAY_OF_MONTH, position % 10);
l.setPickupDate(pickup);
GregorianCalendar ret = (GregorianCalendar) pickup.clone();
ret.add(GregorianCalendar.DAY_OF_YEAR, position % 10 + i * 2);
l.returnCopy(ret);
}
// Create actual open loans
if (position % 2 == 0) {
Loan l = library.createAndAddLoan(getCustomer(library, position), copy);
GregorianCalendar pickup = l.getPickupDate();
pickup.add(GregorianCalendar.DAY_OF_MONTH, -position % 10);
l.setPickupDate(pickup);
}
}
private static void loadBooksFromXml(Library library, DocumentBuilder builder, File file)
throws SAXException, IOException {
Document doc2 = builder.parse(file);
NodeList titles = doc2.getElementsByTagName("title");
for (int i = 0; i < titles.getLength(); i++) {
Node title = titles.item(i);
Book b = library.createAndAddBook(getTextContentOf(title, "name"));
b.setAuthor(getTextContentOf(title, "author"));
b.setPublisher(getTextContentOf(title, "publisher"));
b.setShelf(Shelf.A1);
}
}
private static void loadCustomersFromXml(Library library, DocumentBuilder builder, File file)
throws SAXException, IOException {
Document doc = builder.parse(file);
NodeList customers = doc.getElementsByTagName("customer");
for (int i = 0; i < customers.getLength(); i++) {
Node customer = customers.item(i);
Customer c =
library.createAndAddCustomer(
getTextContentOf(customer, "name"), getTextContentOf(customer, "surname"));
c.setAdress(
getTextContentOf(customer, "street"),
Integer.parseInt(getTextContentOf(customer, "zip")),
getTextContentOf(customer, "city"));
}
}
private static void createBooksAndLoans(Library library) throws IllegalLoanOperationException {
for (int i = 0; i < library.getBooks().size(); i++) {
switch (i % 4) {
case 0:
Copy c1 = library.createAndAddCopy(library.getBooks().get(i));
c1.setCondition(Copy.Condition.GOOD);
createLoansForCopy(library, c1, i, 5);
Copy c2 = library.createAndAddCopy(library.getBooks().get(i));
c2.setCondition(Copy.Condition.DAMAGED);
createLoansForCopy(library, c2, i, 2);
Copy c3 = library.createAndAddCopy(library.getBooks().get(i));
c3.setCondition(Copy.Condition.WASTE);
break;
case 1:
Copy c4 = library.createAndAddCopy(library.getBooks().get(i));
createLoansForCopy(library, c4, i, 4);
library.createAndAddCopy(library.getBooks().get(i));
break;
case 2:
Copy c5 = library.createAndAddCopy(library.getBooks().get(i));
createLoansForCopy(library, c5, i, 2);
break;
case 3:
Copy c6 = library.createAndAddCopy(library.getBooks().get(i));
createOverdueLoanForCopy(library, c6, i);
break;
}
}
}
private static Customer getCustomer(Library library, int position) {
return library.getCustomers().get(position % library.getCustomers().size());
}
public BookPanel(Library library) {
super();
this.library = library;
library.addObserver(this);
initialize();
}
