Return info dictionary for path.

        See DAVProvider.getResourceInst()

def getResourceInst(self, path, environ):
        """Return info dictionary for path.

        See DAVProvider.getResourceInst()
        """
        self._count_getResourceInst += 1
        fp = self._locToFilePath(path)
        if not os.path.exists(fp):
            return None

        if os.path.isdir(fp):
            return FolderResource(path, environ, fp)
        return FileResource(path, environ, fp)