gistfile1.java

@Configurable
public class ApplicationFormattingConversionServiceFactoryBean
        extends FormattingConversionServiceFactoryBean {

/.../

    @Override
    public void afterPropertiesSet() {
        super.afterPropertiesSet();
        installLabelConverters(getObject());
    }


    public void installLabelConverters(FormatterRegistry registry) {

        // Register application converters and formatters
        registry.addConverter(new UserGroupConverter());