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package de.thedevstack.conversationsplus.parser;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import de.thedevstack.conversationsplus.entities.Account;
import de.thedevstack.conversationsplus.entities.Contact;
import de.thedevstack.conversationsplus.services.XmppConnectionService;
import de.thedevstack.conversationsplus.xml.Element;
import de.thedevstack.conversationsplus.xmpp.jid.Jid;
import de.thedevstack.conversationsplus.xmpp.stanzas.AbstractStanza;
public abstract class AbstractParser {
protected XmppConnectionService mXmppConnectionService;
protected AbstractParser(XmppConnectionService service) {
this.mXmppConnectionService = service;
}
/**
* Gets the timestamp from the 'delay' element.
* Refer to XEP-0203: Delayed Delivery for details. @link{http://xmpp.org/extensions/xep-0203.html}
* @param element the element to find the child element 'delay' in.
* @return the time in milli seconds of the attribute 'stamp' of the
* element 'delay'. In case there is no 'delay' element or no 'stamp'
* attribute or the current time is less than the value of the 'stamp'
* attribute the current time is returned.
*/
public static Long getTimestamp(Element element, Long defaultValue) {
Element delay = element.findChild("delay","urn:xmpp:delay");
if (delay != null) {
String stamp = delay.getAttribute("stamp");
if (stamp != null) {
try {
return AbstractParser.parseTimestamp(delay.getAttribute("stamp")).getTime();
} catch (ParseException e) {
return defaultValue;
}
}
}
return defaultValue;
}
protected long getTimestamp(Element packet) {
return getTimestamp(packet,System.currentTimeMillis());
}
/**
* Parses the timestamp according to XEP-0082: XMPP Date and Time Profiles.
* @link{http://xmpp.org/extensions/xep-0082.html}
*
* @param timestamp the timestamp to parse
* @return Date
* @throws ParseException
*/
public static Date parseTimestamp(String timestamp) throws ParseException {
/*try {
Logging.d("TIMESTAMP", timestamp);
return DatatypeFactory.newInstance().newXMLGregorianCalendar(timestamp).toGregorianCalendar().getTime();
} catch (DatatypeConfigurationException e) {
Logging.d("TIMESTAMP", e.getMessage());
return new Date();
}*/
timestamp = timestamp.replace("Z", "+0000");
SimpleDateFormat dateFormat;
timestamp = timestamp.substring(0,19)+timestamp.substring(timestamp.length() -5,timestamp.length());
dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ",Locale.US);
return dateFormat.parse(timestamp);
}
protected void updateLastseen(final AbstractStanza packet, final Account account, final boolean presenceOverwrite) {
updateLastseen(getTimestamp(packet), account, packet.getFrom(), presenceOverwrite);
}
protected void updateLastseen(long timestamp, final Account account, final Jid from, final boolean presenceOverwrite) {
final String presence = from == null || from.isBareJid() ? "" : from.getResourcepart();
final Contact contact = account.getRoster().getContact(from);
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;
}
return item.findChildContent("data", "urn:xmpp:avatar:data");
}
}
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