diff --git a/bindings/java/src/org/sleuthkit/datamodel/ReadContentInputStream.java b/bindings/java/src/org/sleuthkit/datamodel/ReadContentInputStream.java
index 54d2a14a4273a3eb52a9e4c4835e345db9c9d5b2..b60c010bccfdb22ef6c032d95a42147a4a643587 100644
--- a/bindings/java/src/org/sleuthkit/datamodel/ReadContentInputStream.java
+++ b/bindings/java/src/org/sleuthkit/datamodel/ReadContentInputStream.java
@@ -110,4 +110,12 @@ public int read(byte[] b, int off, int len) throws IOException {
 		}
 
 	}
+	
+	@Override
+	public int available() throws IOException {
+		if (position > length) {
+			return 0;
+		}
+        return (int)(length - position);
+    }
 }