1 files changed, 92 insertions, 0 deletions
diff --git a/conversations/src/main/java/eu/siacs/conversations/parser/AbstractParser.java b/conversations/src/main/java/eu/siacs/conversations/parser/AbstractParser.java
new file mode 100644
index 00000000..5541c1c6
--- /dev/null
+++ b/conversations/src/main/java/eu/siacs/conversations/parser/AbstractParser.java
@@ -0,0 +1,92 @@
+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;
+
+public abstract class AbstractParser {
+
+	protected XmppConnectionService mXmppConnectionService;
+
+	protected AbstractParser(XmppConnectionService service) {
+		this.mXmppConnectionService = service;
+	}
+
+	protected long getTimestamp(Element packet) {
+		long now = System.currentTimeMillis();
+		ArrayList<String> stamps = new ArrayList<String>();
+		for (Element child : packet.getChildren()) {
+			if (child.getName().equals("delay")) {
+				stamps.add(child.getAttribute("stamp").replace("Z", "+0000"));
+			}
+		}
+		Collections.sort(stamps);
+		if (stamps.size() >= 1) {
+			try {
+				String stamp = stamps.get(stamps.size() - 1);
+				if (stamp.contains(".")) {
+					Date date = new SimpleDateFormat(
+							"yyyy-MM-dd'T'HH:mm:ss.SSSZ", Locale.US)
+							.parse(stamp);
+					if (now < date.getTime()) {
+						return now;
+					} else {
+						return date.getTime();
+					}
+				} else {
+					Date date = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ",
+							Locale.US).parse(stamp);
+					if (now < date.getTime()) {
+						return now;
+					} else {
+						return date.getTime();
+					}
+				}
+			} catch (ParseException e) {
+				return now;
+			}
+		} else {
+			return now;
+		}
+	}
+
+	protected void updateLastseen(Element packet, Account account,
+			boolean presenceOverwrite) {
+		String[] fromParts = packet.getAttribute("from").split("/", 2);
+		String from = fromParts[0];
+		String presence = null;
+		if (fromParts.length >= 2) {
+			presence = fromParts[1];
+		} else {
+			presence = "";
+		}
+		Contact contact = account.getRoster().getContact(from);
+		long timestamp = getTimestamp(packet);
+		if (timestamp >= contact.lastseen.time) {
+			contact.lastseen.time = timestamp;
+			if ((presence != null) && (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();
+	}
+}