public URL locateFromURL()

in src/main/java/org/apache/commons/configuration2/io/VFSFileSystem.java [239:272]
29 lines of code
9 McCabe index (conditional complexity)

    public URL locateFromURL(final String basePath, final String fileName) {
        final String fileScheme = UriParser.extractScheme(fileName);

        // Use DefaultFileSystem if basePath and fileName don't have a scheme.
        if ((basePath == null || UriParser.extractScheme(basePath) == null) && fileScheme == null) {
            return super.locateFromURL(basePath, fileName);
        }
        try {
            final FileObject file;
            // Only use the base path if the file name doesn't have a scheme.
            if (basePath != null && fileScheme == null) {
                final String scheme = UriParser.extractScheme(basePath);
                final FileSystemOptions opts = getOptions(scheme);
                FileObject base = getManager().resolveFile(basePath, opts);
                if (base.isFile()) {
                    base = base.getParent();
                }

                file = getManager().resolveFile(base, fileName);
            } else {
                final FileSystemOptions opts = getOptions(fileScheme);
                file = getManager().resolveFile(fileName, opts);
            }

            if (!file.exists()) {
                return null;
            }
            final FileName path = file.getName();
            final URLStreamHandler handler = new VFSURLStreamHandler(path);
            return new URL(null, path.getURI(), handler);
        } catch (final FileSystemException | MalformedURLException fse) {
            return null;
        }
    }