defensive-coding-guide/modules/ROOT/examples/Tasks-Serialization-XML-OpenJDK-NoEntityResolver.adoc

class NoEntityResolver implements EntityResolver {
    @Override
    public InputSource resolveEntity(String publicId, String systemId)
            throws SAXException, IOException {
        // Throwing an exception stops validation.
        throw new IOException(String.format(
                "attempt to resolve \"%s\" \"%s\"", publicId, systemId));
    }
}