From 821888da829fce7257dbd992a5d6e41242bd2c3b Mon Sep 17 00:00:00 2001
From: Jeff Wallace <jwallace@basistech.com>
Date: Tue, 3 Dec 2013 12:20:03 -0500
Subject: [PATCH] Fixed npe while getting data source name for local files.

---
 .../datamodel/BlackboardArtifactNode.java     | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/Core/src/org/sleuthkit/autopsy/datamodel/BlackboardArtifactNode.java b/Core/src/org/sleuthkit/autopsy/datamodel/BlackboardArtifactNode.java
index 27caebc469..8eba8f4616 100644
--- a/Core/src/org/sleuthkit/autopsy/datamodel/BlackboardArtifactNode.java
+++ b/Core/src/org/sleuthkit/autopsy/datamodel/BlackboardArtifactNode.java
@@ -33,6 +33,7 @@ import org.sleuthkit.datamodel.BlackboardArtifact;
 import org.sleuthkit.datamodel.BlackboardAttribute;
 import org.sleuthkit.datamodel.BlackboardAttribute.ATTRIBUTE_TYPE;
 import org.sleuthkit.datamodel.Content;
+import org.sleuthkit.datamodel.Image;
 import org.sleuthkit.datamodel.TskCoreException;
 import org.sleuthkit.datamodel.TskException;
 
@@ -140,7 +141,12 @@ public class BlackboardArtifactNode extends DisplayableItemNode {
         } else {
             String dataSource = "";
             try {
-                dataSource = associated.getImage().getName();
+                Image image = associated.getImage();
+                if (image != null) {
+                    dataSource = image.getName();
+                } else {
+                    dataSource = getRootParentName();
+                }
             } catch (TskCoreException ex) {
                 logger.log(Level.WARNING, "Failed to get image name from " + associated.getName());
             }
@@ -153,6 +159,20 @@ public class BlackboardArtifactNode extends DisplayableItemNode {
 
         return s;
     }
+    
+    private String getRootParentName() {
+        String parentName = associated.getName();
+        Content parent = associated;
+        try {
+            while ((parent = parent.getParent()) != null) {
+                parentName = parent.getName();
+            }
+        } catch (TskCoreException ex) {
+            logger.log(Level.WARNING, "Failed to get parent name from " + associated.getName());
+            return "";
+        }
+        return parentName;
+    }
 
     /**
      * Add an additional custom node property to that node before it is