1 files changed, 3 insertions, 0 deletions
diff --git a/java_jni/org/jau/io/ByteInStream_File.java b/java_jni/org/jau/io/ByteInStream_File.java
index ff2448f..de75de6 100644
--- a/java_jni/org/jau/io/ByteInStream_File.java
+++ b/java_jni/org/jau/io/ByteInStream_File.java
@@ -117,6 +117,9 @@ public final class ByteInStream_File implements ByteInStream {
     }
 
     @Override
+    public native boolean is_open();
+
+    @Override
     public void clear(final IOState state) {
         clearImpl( state.mask );
     }