gets the extension of a file name , like '' . png '' or '' . jpg '' . concode_field_sep PlaceHolder placeHolder concode_field_sep String getReadableFileSize concode_elem_sep String getMimeType concode_elem_sep File getFileFromUri concode_elem_sep byte[] fileToByteArray
String function ( String arg0 ) { if ( arg0 == null ) { return null ; } int loc0 = arg0 . lastIndexOf ( "srini_string" ) ; if ( loc0 >= 0 ) { return arg0 . substring ( loc0 ) ; } else { return "srini_string" ; } }