determine if a stream can do a byte buffer read via read bytebuffer buf concode_field_sep PlaceHolder placeHolder concode_field_sep ByteBuffer fallbackRead
boolean function ( InputStream arg0 ) { if ( ! ( arg0 instanceof ByteBufferReadable ) ) { return false ; } if ( ! ( arg0 instanceof FSDataInputStream ) ) { return true ; } return ( ( FSDataInputStream ) arg0 ) . getWrappedStream ( ) instanceof ByteBufferReadable ; }