Fixed ToString exception throwing

bindings/java/src/org/sleuthkit/datamodel/AbstractContent.java

@@ -31,14 +31,12 @@
 public abstract class AbstractContent implements Content {
 
 	public final static long UNKNOWN_ID = -1;
-	
 	private SleuthkitCase db;
 	private long objId;
 	private String name;
 	private Content parent;
 	private String uniquePath;
 	protected long parentId;
-	
 
 	protected AbstractContent(SleuthkitCase db, long obj_id, String name) {
 		this.db = db;
@@ -197,24 +195,25 @@ public long getArtifactsCount(ARTIFACT_TYPE type) throws TskCoreException {
 	public long getAllArtifactsCount() throws TskCoreException {
 		return db.getBlackboardArtifactsCount(objId);
 	}
-	
+
 	@Override
-	public String toString()
-	{
+	public String toString() {
 		return toString(true);
 	}
-			
-			
+
 	public String toString(boolean preserveState){
-		if(preserveState){
-			return "AbstractContent [\t" + "objId " + String.format("%010d",objId) + "\t" + "name " + name + "\t" + "parentId " + parentId + "\t" + "uniquePath " + uniquePath + "]\t";
-		}
-		else{
+		if (preserveState) {
+			return "AbstractContent [\t" + "objId " + String.format("%010d", objId) + "\t" + "name " + name + "\t" + "parentId " + parentId + "\t" + "uniquePath " + uniquePath + "]\t";
+		} else {
 			try {
-				return "AbstractContent [\t" + "objId " + String.format("%010d",objId) + "\t" + "name " + name + "\t" + "getUniquePath " + getUniquePath() + "\t" + "getParent " + getParent().getId() + "]\t";
-			} catch (Exception ex) {
-				//Logger.getLogger(AbstractContent.class.getName()).log(Level.SEVERE, null, ex);
-				return "AbstractContent [\t" + "objId " + String.format("%010d",objId) + "\t" + "name " + name + "\t" + "uniquePath " + uniquePath + "\t" + "parentId " + parentId + "]\t";
+				if (getParent() != null) {
+					return "AbstractContent [\t" + "objId " + String.format("%010d", objId) + "\t" + "name " + name + "\t" + "getUniquePath " + getUniquePath() + "\t" + "getParent " + getParent().getId() + "]\t";
+				} else {
+					return "AbstractContent [\t" + "objId " + String.format("%010d", objId) + "\t" + "name " + name + "\t" + "uniquePath " + getUniquePath() + "\t" + "parentId " + parentId + "]\t";
+				}
+			} catch (TskCoreException ex) {
+				Logger.getLogger(AbstractContent.class.getName()).log(Level.SEVERE, "Could not find Parent", ex);
+				return "AbstractContent [\t" + "objId " + String.format("%010d", objId) + "\t" + "name " + name + "\t" + "parentId " + parentId + "\t" + "uniquePath " + uniquePath + "]\t";
 			}
 		}
 	}