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Code Issues Releases Wiki Activity

Pass weak listener references to event publisher to allow blackboard artifact nodes to be garbage collected.

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This commit is contained in:
esaunders
2017-08-22 10:28:43 -04:00
parent 41b72dd48c
commit 79b17fe17a
1 changed files with 13 additions and 3 deletions
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16
Core/src/org/sleuthkit/autopsy/datamodel/BlackboardArtifactNode.java
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@@ -25,9 +25,11 @@ import java.beans.PropertyChangeListener;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
@@ -37,6 +39,7 @@ import org.openide.nodes.Children;
import org.openide.nodes.Sheet;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;
import org.openide.util.WeakListeners;
import org.openide.util.lookup.Lookups;
import org.sleuthkit.autopsy.casemodule.Case;
import org.sleuthkit.autopsy.casemodule.events.BlackBoardArtifactTagAddedEvent;
@@ -64,6 +67,13 @@ import org.sleuthkit.datamodel.TskCoreException;
public class BlackboardArtifactNode extends DisplayableItemNode {
private static final Logger LOGGER = Logger.getLogger(BlackboardArtifactNode.class.getName());
private static final Set<String> CASE_EVENTS_OF_INTEREST = new HashSet<>(Arrays.asList(new String[]{
Case.Events.BLACKBOARD_ARTIFACT_TAG_ADDED.toString(),
Case.Events.BLACKBOARD_ARTIFACT_TAG_DELETED.toString(),
Case.Events.CONTENT_TAG_ADDED.toString(),
Case.Events.CONTENT_TAG_DELETED.toString(),
Case.Events.CURRENT_CASE.toString()
}));
private static Cache<Long, Content> contentCache = CacheBuilder.newBuilder()
.expireAfterWrite(1, TimeUnit.MINUTES).
@@ -138,7 +148,7 @@ public class BlackboardArtifactNode extends DisplayableItemNode {
this.setName(Long.toString(artifact.getArtifactID()));
this.setDisplayName();
this.setIconBaseWithExtension(iconPath);
Case.addPropertyChangeListener(pcl);
Case.addEventSubscriber(CASE_EVENTS_OF_INTEREST, WeakListeners.propertyChange(pcl, null));
}
/**
@@ -155,11 +165,11 @@ public class BlackboardArtifactNode extends DisplayableItemNode {
this.setName(Long.toString(artifact.getArtifactID()));
this.setDisplayName();
this.setIconBaseWithExtension(ExtractedContent.getIconFilePath(artifact.getArtifactTypeID())); //NON-NLS
Case.addPropertyChangeListener(pcl);
Case.addEventSubscriber(CASE_EVENTS_OF_INTEREST, WeakListeners.propertyChange(pcl, null));
}
private void removeListeners() {
Case.removePropertyChangeListener(pcl);
Case.removeEventSubscriber(CASE_EVENTS_OF_INTEREST, pcl);
}
@Override