transform given key to a string which can be used as a file name . concode_field_sep PlaceHolder placeHolder concode_field_sep void copyStream concode_elem_sep void close concode_elem_sep boolean delete concode_elem_sep URI getURI
String function ( Key arg0 ) { return arg0 . toString ( ) . replaceAll ( "srini_string" , "srini_string" ) ; }