Support for core topic date changes.

logging/src/com/dmdirc/addons/logging/LoggingManager.java

@@ -280,8 +280,8 @@ public class LoggingManager implements ConfigChangeListener {
 
         appendLine(filename, "*** Topic is: %s", event.getTopic().getTopic());
         appendLine(filename, "*** Set at: %s on %s by %s",
-                timeFormat.format(1000 * event.getTopic().getTime()),
-                dateFormat.format(1000 * event.getTopic().getTime()),
+                timeFormat.format(event.getTopic().getDate()),
+                dateFormat.format(event.getTopic().getDate()),
                         event.getTopic().getClient()
                                 .map(GroupChatUser::getNickname).orElse("Unknown"));
     }

ui_swing/src/com/dmdirc/addons/ui_swing/dialogs/channelsetting/TopicDisplayPane.java

@@ -41,7 +41,6 @@ import com.dmdirc.ui.messages.ColourManagerFactory;
 import java.awt.Color;
 import java.awt.datatransfer.Clipboard;
 import java.awt.event.KeyEvent;
-import java.util.Date;
 import java.util.Optional;
 
 import javax.swing.JLabel;
@@ -164,7 +163,7 @@ public class TopicDisplayPane extends JPanel implements DocumentListener {
         if (topic.isPresent()) {
             topicWho.setText("Topic set by " + topic.get().getClient()
                     .map(GroupChatUser::getNickname).orElse("Unknown")
-                    + "<br> on " + new Date(1000 * topic.get().getTime()));
+                    + "<br> on " + topic.get().getDate());
             topicText.setText(topic.get().getTopic());
         } else {
             topicWho.setText("No topic set.");

ui_swing/src/com/dmdirc/addons/ui_swing/dialogs/channelsetting/TopicLabel.java

@@ -29,7 +29,6 @@ import com.dmdirc.interfaces.GroupChat;
 import com.dmdirc.interfaces.GroupChatUser;
 
 import java.awt.Color;
-import java.util.Date;
 
 import javax.swing.JEditorPane;
 import javax.swing.JPanel;
@@ -49,8 +48,6 @@ public class TopicLabel extends JPanel {
 
     /** A version number for this class. */
     private static final long serialVersionUID = 1;
-    /** How many milliseconds in a second. */
-    private static final int MILLIS_IN_SECOND = 1000;
     /** Topic this label represents. */
     private final Topic topic;
     /** The group chat to which this label belongs. */
@@ -138,7 +135,7 @@ public class TopicLabel extends JPanel {
         }
         add(label, "wmax 450, grow, push, wrap, gapleft 5, pad 0");
 
-        label = new TextLabel("on " + new Date(topic.getTime() * MILLIS_IN_SECOND));
+        label = new TextLabel("on " + topic.getDate());
         add(label, "wmax 450, grow, push, wrap, gapleft 5, pad 0");
 
         add(new JSeparator(), "newline, span, growx, pushx");