Path.resolve as a static method ?

[Alan Bateman]

Emmanuel Castro wrote:
> I am often tempted to use the following pattern :
>   Path path=Paths.get("dir1/a")
>   path.getParent().resolve("b")
> It returns dir1/a
> A problem occurs when path=Paths.get("a")
> I await "b", but I obviously get an happy NullPointerException
>
> I have to encapsulate my call to resolve() into a static method:
> static Path safeResolve(Path mainPath, Path other) {
>    if (mainPath == null) return other;
>    else mainPath.resolve(other);
> }
>
> and a variant for safeResolve(Path mainPath, String other).
>
> I think that this method should be standard, maybe in the Paths class.
>
> Your advice?
>
> Emmanuel CASTRO
>   
We need a resolveSibling (or better named) method as it is very common 
to need to resolve against the parent. In the mean-time, a possible 
workaround is path.resolve("../b").normalize().

-Alan.