/** save To save members' information into a binary file */
public void save() {
ObjectOutputStream oout = null;
Member tm;
ArrayList<String> booksBorrowed = new ArrayList<String>();
try {
oout = new ObjectOutputStream(new FileOutputStream("members1.dat"));
// Loop through memberMap and process each entry
// Structure for writing
// __________________________________________________________
// |String|String|String|Boolean or Double|ArrayList<String>|
// ----------------------------------------------------------
for (Map.Entry<String, Member> entry : memberMap.entrySet()) {
tm = entry.getValue();
oout.writeUTF(tm.getMemberID());
oout.writeUTF(tm.getName());
oout.writeUTF(tm.getPhoneNumber());
if (tm instanceof Staff) {
oout.writeBoolean(((Staff) tm).isBookOverdue());
} else {
oout.writeDouble(((Student) tm).getFinesOwing());
}
for (LibraryBook b : tm.getBooklist()) {
booksBorrowed.add(b.getBookNumber());
}
oout.writeObject(booksBorrowed);
}
} catch (Exception e) {
Log.e(e.getMessage());
} finally {
try {
oout.close();
} catch (IOException e) {
Log.e(e.getMessage());
}
}
}
