public Message updateMessage(Message message) {
if (message.getId() <= 0) {
return null;
}
messages.put(message.getId(), message);
return message;
}
public List<Message> getAllMessagesForYear(int year) {
List<Message> messagesForYear = new ArrayList<>();
Calendar cal = Calendar.getInstance();
for (Message message : messages.values()) {
cal.setTime(message.getCreated());
if (cal.get(Calendar.YEAR) == year) {
messagesForYear.add(message);
}
}
return messagesForYear;
}
public Message addMessage(Message message) {
message.setId(messages.size() + 1);
messages.put(message.getId(), message);
return message;
}