1 files changed, 53 insertions, 0 deletions
diff --git a/src/eu/siacs/conversations/parser/AbstractParser.java b/src/eu/siacs/conversations/parser/AbstractParser.java
new file mode 100644
index 00000000..8c6ad2ab
--- /dev/null
+++ b/src/eu/siacs/conversations/parser/AbstractParser.java
@@ -0,0 +1,53 @@
+package eu.siacs.conversations.parser;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import eu.siacs.conversations.entities.Account;
+import eu.siacs.conversations.entities.Contact;
+import eu.siacs.conversations.services.XmppConnectionService;
+import eu.siacs.conversations.xml.Element;
+
+public abstract class AbstractParser {
+	
+	protected XmppConnectionService mXmppConnectionService;
+
+	protected AbstractParser(XmppConnectionService service) {
+		this.mXmppConnectionService = service;
+	}
+	
+	protected long getTimestamp(Element packet) {
+		if (packet.hasChild("delay")) {
+			try {
+				String stamp = packet.findChild("delay").getAttribute(
+						"stamp");
+				stamp = stamp.replace("Z", "+0000");
+				Date date = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ")
+						.parse(stamp);
+				return date.getTime();
+			} catch (ParseException e) {
+				return System.currentTimeMillis();
+			}
+		} else {
+			return System.currentTimeMillis();
+		}
+	}
+	
+	protected void updateLastseen(Element packet, Account account) {
+		String[] fromParts = packet.getAttribute("from").split("/");
+		String from = fromParts[0];
+		String presence = null;
+		if (fromParts.length >= 2) {
+			presence = fromParts[1];
+		}
+		Contact contact = account.getRoster().getContact(from);
+		long timestamp = getTimestamp(packet);
+		if (timestamp >= contact.lastseen.time) {
+			contact.lastseen.time = timestamp;
+			if (presence!=null) {
+				contact.lastseen.presence = presence;
+			}
+		}
+	}
+}