@Override
    public Resource createRelative(String relativePath) throws MalformedURLException {
        return new FileUrlResource(createRelativeURL(relativePath));
    }
Create a new {@code FileUrlResource} based on the given URL object.
<p>Note that this does not enforce "file" as URL protocol. If a protocol
is known to be resolvable to a file, it is acceptable for this purpose.

@param url a URL
see ResourceUtils#isFileURL(URL)
see #getFile()
analyzer/src/main/java/nl/basjes/parse/useragent/utils/springframework/core/io/FileUrlResource.java