Fix chat history duplicate dates on incoming message.

src/net/java/sip/communicator/impl/gui/main/chat/history/HistoryWindow.java

@@ -733,7 +733,7 @@ private void initProgressBar(Date date)
     public void messageReceived(MessageReceivedEvent evt)
     {
         Contact sourceContact = evt.getSourceContact();
-        
+
         this.processMessage(sourceContact, evt.getTimestamp(),
             Constants.INCOMING_MESSAGE,
             evt.getSourceMessage().getContent(),
@@ -789,7 +789,8 @@ private void processMessage(Contact contact,
             Date lastDate = datesPanel.getDate(lastDateIndex);
 
             if(lastDate != null
-                && GuiUtils.compareDates(lastDate.getTime(), timestamp) == 0)
+                && GuiUtils.compareDatesOnly(
+                    lastDate.getTime(), timestamp) == 0)
             {
                 HTMLDocument document = dateHistoryTable.get(lastDate);
 
@@ -797,7 +798,8 @@ private void processMessage(Contact contact,
                 {
                     ChatMessage chatMessage = new ChatMessage(
                         contact.getDisplayName(),
-                        timestamp, messageType,
+                        timestamp,
+                        messageType,
                         messageContent,
                         messageContentType);
 
@@ -808,7 +810,7 @@ private void processMessage(Contact contact,
                 }
             }
             else if (lastDate == null
-                || GuiUtils.compareDates(lastDate.getTime(), timestamp) < 0)
+                || GuiUtils.compareDatesOnly(lastDate.getTime(), timestamp) < 0)
             {
                 long milisecondsPerDay = 24*60*60*1000;
 

src/net/java/sip/communicator/util/GuiUtils.java

@@ -22,6 +22,8 @@ public class GuiUtils
 {
     private static Calendar c1 = Calendar.getInstance();
 
+    private static Calendar c2 = Calendar.getInstance();
+
     /**
      * Number of milliseconds in a second.
      */
@@ -96,6 +98,48 @@ public static int compareDates(long date1, long date2)
         return (date1 < date2 ? -1 : (date1 == date2 ? 0 : 1));
     }
 
+    /**
+     * Compares the two dates. The comparison is based only on the day, month
+     * and year values. Returns 0 if the two dates are equals, a value < 0 if
+     * the first date is before the second one and > 0 if the first date is
+     * after the second one.
+     * @param date1 the first date to compare
+     * @param date2 the second date to compare with 
+     * @return Returns 0 if the two dates are equals, a value < 0 if
+     * the first date is before the second one and > 0 if the first date is
+     * after the second one
+     */
+    public static int compareDatesOnly(long date1, long date2)
+    {
+        c1.setTimeInMillis(date1);
+        c2.setTimeInMillis(date2);
+
+        int day1 = c1.get(Calendar.DAY_OF_MONTH);
+        int month1 = c1.get(Calendar.MONTH);
+        int year1 = c1.get(Calendar.YEAR);
+
+        int day2 = c2.get(Calendar.DAY_OF_MONTH);
+        int month2 = c2.get(Calendar.MONTH);
+        int year2 = c2.get(Calendar.YEAR);
+
+        if((day1 == day2)
+                && (month1 == month2)
+                && (year1 == year2))
+        {
+            return 0;
+        }
+        else if((day1 < day2)
+                && (month1 <= month2)
+                && (year1 <= year2))
+        {
+            return -1;
+        }
+        else
+        {
+            return 1;
+        }
+    }
+
     /**
      * Formats the given date. The result format is the following:
      * [Month] [Day], [Year]. For example: Dec 24, 2000.
@@ -173,12 +217,12 @@ public static Date substractDates(Date date1, Date date2)
         int sec
             = (int)(( difMil - days*milPerDay - hour*milPerHour - min*milPerMin)
                     / milPerSec);
-        
+
         c1.clear();
         c1.set(Calendar.HOUR, hour);
         c1.set(Calendar.MINUTE, min);
         c1.set(Calendar.SECOND, sec);
-        
+
         return c1.getTime();
     }