1package eu.siacs.conversations.parser;
 2
 3import java.text.ParseException;
 4import java.text.SimpleDateFormat;
 5import java.util.Date;
 6import java.util.Locale;
 7
 8import eu.siacs.conversations.entities.Account;
 9import eu.siacs.conversations.entities.Contact;
10import eu.siacs.conversations.services.XmppConnectionService;
11import eu.siacs.conversations.xml.Element;
12
13public abstract class AbstractParser {
14	
15	protected XmppConnectionService mXmppConnectionService;
16
17	protected AbstractParser(XmppConnectionService service) {
18		this.mXmppConnectionService = service;
19	}
20	
21	protected long getTimestamp(Element packet) {
22		long now = System.currentTimeMillis();
23		if (packet.hasChild("delay")) {
24			try {
25				String stamp = packet.findChild("delay").getAttribute(
26						"stamp");
27				stamp = stamp.replace("Z", "+0000");
28				if (stamp.contains(".")) {
29					Date date = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ",Locale.US)
30					.parse(stamp);
31					if (now<date.getTime()) {
32						return now;
33					} else {
34						return date.getTime();
35					}
36				} else {
37					Date date = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ",Locale.US)
38							.parse(stamp);
39					if (now<date.getTime()) {
40						return now;
41					} else {
42						return date.getTime();
43					}
44				}
45			} catch (ParseException e) {
46				return now;
47			}
48		} else {
49			return now;
50		}
51	}
52	
53	protected void updateLastseen(Element packet, Account account, boolean presenceOverwrite) {
54		String[] fromParts = packet.getAttribute("from").split("/");
55		String from = fromParts[0];
56		String presence = null;
57		if (fromParts.length >= 2) {
58			presence = fromParts[1];
59		}
60		Contact contact = account.getRoster().getContact(from);
61		long timestamp = getTimestamp(packet);
62		if (timestamp >= contact.lastseen.time) {
63			contact.lastseen.time = timestamp;
64			if ((presence!=null)&&(presenceOverwrite)) {
65				contact.lastseen.presence = presence;
66			}
67		}
68	}
69}