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; } } } }