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-rw-r--r--src/main/java/eu/siacs/conversations/parser/AbstractParser.java43
1 files changed, 28 insertions, 15 deletions
diff --git a/src/main/java/eu/siacs/conversations/parser/AbstractParser.java b/src/main/java/eu/siacs/conversations/parser/AbstractParser.java
index 08070c08..9b3e239c 100644
--- a/src/main/java/eu/siacs/conversations/parser/AbstractParser.java
+++ b/src/main/java/eu/siacs/conversations/parser/AbstractParser.java
@@ -5,6 +5,9 @@ import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
+import javax.xml.datatype.DatatypeConfigurationException;
+import javax.xml.datatype.DatatypeFactory;
+
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Contact;
import eu.siacs.conversations.services.XmppConnectionService;
@@ -19,6 +22,15 @@ public abstract class AbstractParser {
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 packet 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.
+ */
protected long getTimestamp(Element packet) {
long now = System.currentTimeMillis();
Element delay = packet.findChild("delay");
@@ -29,23 +41,24 @@ public abstract class AbstractParser {
if (stamp == null) {
return now;
}
- try {
- long time = parseTimestamp(stamp).getTime();
- return now < time ? now : time;
- } catch (ParseException e) {
- return now;
- }
+ long time = parseTimestamp(stamp).getTime();
+ return now < time ? now : time;
}
- 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);
+ /**
+ * 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) {
+ try {
+ return DatatypeFactory.newInstance().newXMLGregorianCalendar(timestamp).toGregorianCalendar().getTime();
+ } catch (DatatypeConfigurationException e) {
+ return new Date();
+ }
}
protected void updateLastseen(final Element packet, final Account account,