Yes, going from File to URL is easy. The problem is going from URL to File.
On Thu, 21 Jun 2007 19:18:49 -0700
Jody Garnett <[EMAIL PROTECTED]> wrote:
> I just found that File.toURL() is deprecated (in Java 6):
> > @deprecated This method does not automatically escape characters that
> > * are illegal in URLs. It is recommended that new code convert an
> > * abstract pathname into a URL by first converting it into a URI,
> > via the
> > * [EMAIL PROTECTED] #toURI() toURI} method, and then converting the
> > URI into
> > a URL
> > * via the [EMAIL PROTECTED] java.net.URI#toURL() URI.toURL} method.
> I wonder if this technique, file.toURI().toURL(), behaves a bit better
> then what you are hacking around?
> Jody
>
> > I am doing testing against trying to view/edit/manipulate files that reside
> > on a windows network share, and I have run into several instances across
> > both uDig and GeoTools where java.net.URLs are (improperly?) converted into
> > java.io.Files. The usual method of doing this is to just use URL.getPath:
> >
> > File f = new File(url.getPath());
> >
> > But if URL equals "file://E:/somedir/foo.tif", then File f is associated
> > with the file "\somedir\foo.tif". The drive/network share information is
> > lost.
> >
> > The authority property contains this information:
> >
> > String auth = url.getAuthority();
> > if (auth != null && !auth.equals("")) {
> > f = new File("//"+auth+url.getPath());
> > } else {
> > f = new File(url.getPath());
> > }
> >
> > The variable 'auth' equals "E:" in this case, or "fooServer" if it is a
> > network share. In uDig I have added a utility method to the URLUtils class.
> > If someone wants this in GeoTools, tell me where to put it and I will.
> >
> > It is a fair assumption that this happens a fair amount in our code, and I
> > don't have time to go through the code base to check for instances of
> > URL.getPath(), so I would just like to bring it to everyone's attention to
> > keep an eye out for this.
> >
> > Of course, if anyone has any better suggestions, please let me know. But
> > for now I am fixing it in the image module, and I may fix it in shapefile
> > next.
> >
> > Richard
> >
> >
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