Added support for LocalFilesDataSource in SleuthkitItemVisitor

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

 /*
  * Sleuth Kit Data Model
  *
- * Copyright 2011-2017 Basis Technology Corp.
+ * Copyright 2011-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -314,6 +314,34 @@ private static void closeStatement(Statement statement) {
 		}
 	}
 	
+	/**
+	 * Accepts a content visitor (Visitor design pattern).
+	 *
+	 * @param <T>     The type returned by the visitor.
+	 * @param visitor A ContentVisitor supplying an algorithm to run using this
+	 *                virtual directory as input.
+	 *
+	 * @return The output of the algorithm.
+	 */
+	@Override
+	public <T> T accept(ContentVisitor<T> visitor) {
+		return visitor.visit(this);
+	}
+	
+	/**
+	 * Accepts a Sleuthkit item visitor (Visitor design pattern).
+	 *
+	 * @param <T>     The type returned by the visitor.
+	 * @param visitor A SleuthkitItemVisitor supplying an algorithm to run using
+	 *                this virtual directory as input.
+	 *
+	 * @return The output of the algorithm.
+	 */
+	@Override
+	public <T> T accept(SleuthkitItemVisitor<T> visitor) {
+		return visitor.visit(this);
+	}
+	
 	/**
 	 * Constructs a local/logical files and/or directories data source.
 	 *

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

 /*
  * Sleuth Kit Data Model
  *
- * Copyright 2011-2018 Basis Technology Corp.
+ * Copyright 2011-2021 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -195,6 +195,15 @@ public interface SleuthkitItemVisitor<T> {
 	 * @return result of the visit
 	 */
 	T visit(UnsupportedContent unsupportedContent);
+	
+	/**
+	 * Act on (visit) a LocalFilesDataSource content object
+	 *
+	 * @param localFilesDataSource report to visit / act on
+	 *
+	 * @return result of the visit
+	 */
+	T visit(LocalFilesDataSource localFilesDataSource);
 
 	/**
 	 * The default visitor - quickest method for implementing a custom visitor.
@@ -298,5 +307,10 @@ public T visit(OsAccount account) {
 		public T visit(UnsupportedContent unsupportedContent) {
 			return defaultVisit(unsupportedContent);
 		}
+		
+		@Override
+		public T visit(LocalFilesDataSource localFilesDataSource) {
+			return defaultVisit(localFilesDataSource);
+		}
 	}
 }