static public String normalize ( String path ) { if ( path == null || path . length ( ) == 0 ) return ROOT ; if ( path . charAt ( 0 ) != PATH_SEPARATOR ) { throw new IllegalArgumentException ( "Network Location path does not start with " + PATH_SEPARATOR_STR + ": " + path ) ; } int len = path . length ( ) ; if ( path . charAt ( len - 1 ) == PATH_SEPARATOR ) { return path . substring ( 0 , len - 1 ) ; } return path ; }
Normalize a path