JacksonBodyHandler for parsing JSON responses directly from Java 11+ http clients

JacksonBodyHandlers.java

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;
import java.io.UncheckedIOException;
import java.net.http.HttpResponse;
import java.util.function.Function;

public class JacksonBodyHandlers {
    private final ObjectMapper objectMapper;

    public JacksonBodyHandlers(ObjectMapper objectMapper) {
        this.objectMapper = objectMapper;
    }

    public HttpResponse.BodyHandler<JsonNode> jsonNodeHandler(){
        return responseInfo -> subscriberFrom(objectMapper::readTree);
    }
    
    public <T> HttpResponse.BodyHandler<T> handlerFor(TypeReference<T> typeReference){
        return responseInfo -> subscriberFrom((bytes) -> objectMapper.readValue(bytes, typeReference));
    }

    public <T> HttpResponse.BodyHandler<T> handlerFor(Class<T> clazz){
        return responseInfo -> subscriberFrom((bytes) -> objectMapper.readValue(bytes, clazz));
    }

    private <T> HttpResponse.BodySubscriber<T> subscriberFrom(IOFunction<byte[], T> ioFunction) {
        return HttpResponse.BodySubscribers.mapping(HttpResponse.BodySubscribers.ofByteArray(), rethrowRuntime(ioFunction));
    }

    @FunctionalInterface
    interface IOFunction<V, T> {
        T apply(V value) throws IOException;
    }

    private static <V,T> Function<V,T> rethrowRuntime(IOFunction<V, T> ioFunction){
        return (V v) -> {
            try{
                return ioFunction.apply(v);
            } catch (IOException e) {
                throw new UncheckedIOException(e);
            }
        };
    }
}

@billybong doing gods work thank you mate