question: @ Override public PathImpl schemeWalk ( String userPath , Map < String , Object > attributes , String filePath , int offset ) { if ( ! isWindows ( ) ) { return super . schemeWalk ( userPath , attributes , filePath , offset ) ; } String canonicalPath ; if ( filePath . length ( ) < offset + 2 ) { return super . schemeWalk ( userPath , attributes , filePath , offset ) ; } char ch1 = filePath . charAt ( offset + 1 ) ; char ch2 = filePath . charAt ( offset ) ; if ( ( ch2 == '/' || ch2 == _separatorChar ) && ( ch1 == '/' || ch1 == _separatorChar ) ) return super . schemeWalk ( userPath , attributes , convertFromWindowsPath ( filePath . substring ( offset ) ) , 0 ) ; else return super . schemeWalk ( userPath , attributes , filePath , offset ) ; }
target:  Lookup the path, handling windows weirdness