import io.undertow.Undertow;
import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;
import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizer;
import org.springframework.boot.context.embedded.undertow.UndertowBuilderCustomizer;
import org.springframework.boot.context.embedded.undertow.UndertowEmbeddedServletContainerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Configuration class to enable HTTP listener (when HTTPS is enabled in Spring Boot we need to add support to HTTP manually).
 */
@Configuration
public class HttpConnectorConfiguration {

    @Bean
    public EmbeddedServletContainerCustomizer customizeContainer() {

        return new EmbeddedServletContainerCustomizer() {
            @Override
            public void customize(ConfigurableEmbeddedServletContainer container) {
                if (container instanceof UndertowEmbeddedServletContainerFactory) {
                    UndertowEmbeddedServletContainerFactory factory = (UndertowEmbeddedServletContainerFactory)container;
                    factory.addBuilderCustomizers(new UndertowBuilderCustomizer() {

                        @Override
                        public void customize(Undertow.Builder builder) {
                            builder.addHttpListener(8080, "0.0.0.0");
                        }

                    });
                }
            }
        };

    }

}