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package eu.siacs.conversations.parser;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.Locale;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Contact;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xmpp.jid.InvalidJidException;
import eu.siacs.conversations.xmpp.jid.Jid;
public abstract class AbstractParser {
protected XmppConnectionService mXmppConnectionService;
protected AbstractParser(XmppConnectionService service) {
this.mXmppConnectionService = service;
}
protected long getTimestamp(Element packet) {
long now = System.currentTimeMillis();
Element delay = packet.findChild("delay");
if (delay == null) {
return now;
}
String stamp = delay.getAttribute("stamp");
if (stamp == null) {
return now;
}
try {
long time = parseTimestamp(stamp).getTime();
return now < time ? now : time;
} catch (ParseException e) {
return now;
}
}
public static Date parseTimestamp(String timestamp) throws ParseException {
timestamp = timestamp.replace("Z", "+0000");
SimpleDateFormat dateFormat;
if (timestamp.contains(".")) {
dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ", Locale.US);
} else {
dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ",Locale.US);
}
return dateFormat.parse(timestamp);
}
protected void updateLastseen(final Element packet, final Account account,
final boolean presenceOverwrite) {
Jid from = packet.getAttributeAsJid("from");
String presence = from == null || from.isBareJid() ? "" : from.getResourcepart();
Contact contact = account.getRoster().getContact(from);
long timestamp = getTimestamp(packet);
if (timestamp >= contact.lastseen.time) {
contact.lastseen.time = timestamp;
if (!presence.isEmpty() && presenceOverwrite) {
contact.lastseen.presence = presence;
}
}
}
protected String avatarData(Element items) {
Element item = items.findChild("item");
if (item == null) {
return null;
}
Element data = item.findChild("data", "urn:xmpp:avatar:data");
if (data == null) {
return null;
}
return data.getContent();
}
}
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