no.ks.fiks.io.commons.FiksIOMeldingParser Maven / Gradle / Ivy

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Konstanter og utils for FIKS IO-klienter

There is a newer version: 2.0.3

package no.ks.fiks.io.commons;

import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Envelope;
import com.rabbitmq.client.GetResponse;
import io.vavr.control.Option;
import lombok.NonNull;

import java.util.Map;
import java.util.UUID;
import java.util.function.Supplier;

public class FiksIOMeldingParser {

    public static MottattMeldingMetadata parse(@NonNull GetResponse getResponse) {
        return parse(getResponse.getEnvelope(), getResponse.getProps());
    }

    public static MottattMeldingMetadata parse(@NonNull Envelope envelope, @NonNull AMQP.BasicProperties properties) {
        return MottattMeldingMetadata.builder()
                .meldingId(requireUUIDFromHeader(properties.getHeaders(), FiksIOHeaders.MELDING_ID))
                .meldingType(requireStringFromHeader(properties.getHeaders(), FiksIOHeaders.MELDING_TYPE))
                .avsenderKontoId(requireUUIDFromHeader(properties.getHeaders(), FiksIOHeaders.AVSENDER_ID))
                .mottakerKontoId(FiksIOHeaders.extractKontoId(envelope.getRoutingKey()))
                .svarPaMelding(getUUIDFromHeader(properties.getHeaders(), FiksIOHeaders.SVAR_PA_MELDING_ID).getOrElse(() -> null))
                .deliveryTag(envelope.getDeliveryTag())
                .ttl(properties.getExpiration() != null ? Long.valueOf(properties.getExpiration()): -1L)
                .build();
    }

    private static Option getUUIDFromHeader(Map headers, String header) {
        return getStringFromHeader(headers, header).map(UUID::fromString);
    }

    private static UUID requireUUIDFromHeader(Map headers, String header) {
        return getUUIDFromHeader(headers, header).getOrElseThrow(getMissingHeaderException(headers, header));
    }

    private static Option getStringFromHeader(Map headers, String header) {
        return Option.of(headers.get(header)).map(Object::toString);
    }

    private static String requireStringFromHeader(Map headers, String header) {
        return getStringFromHeader(headers, header).getOrElseThrow(getMissingHeaderException(headers, header));
    }

    private static Supplier getMissingHeaderException(Map headers, String rabbitMqHeader) {
        return () -> new RuntimeException(String.format("Melding %s har mangler header %s, eller header verdi er ikke satt", getUUIDFromHeader(headers, FiksIOHeaders.MELDING_ID).getOrElse(() -> null), rabbitMqHeader));
    }

}