se.hiq.oss.spring.nats.message.serde.java.JavaMessageSerializer Maven / Gradle / Ivy

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Spring NATS description

There is a newer version: 0.15

package se.hiq.oss.spring.nats.message.serde.java;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.util.Optional;

import se.hiq.oss.spring.nats.exception.SerializeException;
import se.hiq.oss.spring.nats.message.serde.NatsMessageSerializer;
import se.hiq.oss.spring.nats.message.validation.MessageObjectValidator;

public class JavaMessageSerializer implements NatsMessageSerializer {

    private Optional validator = Optional.empty();

    @Override
    public void setValidator(Optional validator) {
        this.validator = validator;
    }

    @Override
    public byte[] toMessageData(Object object) throws SerializeException {
        validator.filter(v -> v.shouldValidate(object.getClass())).ifPresent(v -> v.validate(object));
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        try (ObjectOutputStream os = new ObjectOutputStream(bos)) {
            os.writeObject(object);
        } catch (IOException e) {
            throw new SerializeException("Could not serialize object " + object, e);
        }
        return bos.toByteArray();
    }
}