minor bug fix: arraydequeue may return null entries

This commit is contained in:
fros4943 2009-11-25 15:44:51 +00:00
parent 3c4fe0e3b7
commit 5c67d113c8
1 changed files with 4 additions and 1 deletions

View File

@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: TrafficVisualizerSkin.java,v 1.3 2009/11/25 15:40:46 fros4943 Exp $
* $Id: TrafficVisualizerSkin.java,v 1.4 2009/11/25 15:44:51 fros4943 Exp $
*/
package se.sics.cooja.plugins.skins;
@ -224,6 +224,9 @@ public class TrafficVisualizerSkin implements VisualizerSkin {
/* Paint history in gray */
RadioConnection[] historyArr = history.toArray(new RadioConnection[0]);
for (RadioConnection conn : historyArr) {
if (conn == null) {
continue;
}
g.setColor(COLOR_HISTORY);
Radio source = conn.getSource();
Point sourcePoint = visualizer.transformPositionToPixel(source.getPosition());