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Merge pull request #1305 from millmanorama/grouptreecell_npe_fix

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fix NPE in GroupTreeCell by not removing null Listener
This commit is contained in:
Richard Cordovano 2015-06-04 09:45:33 -04:00
commit c6b2e936dd
2 changed files with 11 additions and 8 deletions
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6
ImageGallery/src/org/sleuthkit/autopsy/imagegallery/OnStart.java
View File

@ -22,8 +22,8 @@ import org.sleuthkit.autopsy.coreutils.Logger;
/**
*
* The {@link OnStart} annotation tells NetBeans to invoke this class's
* {@link OnStart#run()} method
* The {@link org.openide.modules.OnStart} annotation tells NetBeans to invoke
* this class's {@link OnStart#run()} method
*/
@org.openide.modules.OnStart
public class OnStart implements Runnable {
@ -31,7 +31,7 @@ public class OnStart implements Runnable {
static private final Logger LOGGER = Logger.getLogger(OnStart.class.getName());
/**
*
*
* This method is invoked by virtue of the {@link OnStart} annotation on the
* {@link ImageGalleryModule} class

13
ImageGallery/src/org/sleuthkit/autopsy/imagegallery/gui/navpanel/GroupTreeCell.java
View File

@ -18,6 +18,7 @@
*/
package org.sleuthkit.autopsy.imagegallery.gui.navpanel;
import java.util.Objects;
import static java.util.Objects.isNull;
import java.util.Optional;
import javafx.application.Platform;
@ -66,11 +67,13 @@ class GroupTreeCell extends TreeCell<TreeNode> {
@Override
protected synchronized void updateItem(final TreeNode tNode, boolean empty) {
//if there was a previous group, remove the listener
Optional.ofNullable(getItem())
.map(TreeNode::getGroup)
.ifPresent((DrawableGroup t) -> {
t.fileIds().removeListener(listener);
});
if (Objects.nonNull(listener)) {
Optional.ofNullable(getItem())
.map(TreeNode::getGroup)
.ifPresent((DrawableGroup t) -> {
t.fileIds().removeListener(listener);
});
}
super.updateItem(tNode, empty);