Examples with ObjectSerializer io.micronaut.serde.support.serializers.ObjectSerializer used on opensource projects

Example 1 with ObjectSerializer

use of io.micronaut.serde.support.serializers.ObjectSerializer in project micronaut-serialization by micronaut-projects.

the class DefaultSerdeRegistry method findSerializer.

@Override
public <T> Serializer<? super T> findSerializer(Argument<? extends T> type) throws SerdeException {
    Objects.requireNonNull(type, "Type cannot be null");
    final TypeKey key = new TypeKey(type);
    final Serializer<?> serializer = serializerMap.get(key);
    if (serializer != null) {
        // noinspection unchecked
        return (Serializer<? super T>) serializer;
    } else {
        List<BeanDefinition<Serializer>> possibles = serializerDefMap.get(type.getType());
        if (possibles == null) {
            for (Map.Entry<Class<?>, List<BeanDefinition<Serializer>>> entry : serializerDefMap.entrySet()) {
                final Class<?> targetType = entry.getKey();
                if (targetType.isAssignableFrom(type.getType())) {
                    possibles = entry.getValue();
                    final Argument<?>[] params = type.getTypeParameters();
                    if (ArrayUtils.isNotEmpty(params)) {
                        // narrow for generics
                        possibles = new ArrayList<>(possibles);
                        final Iterator<BeanDefinition<Serializer>> i = possibles.iterator();
                        while (i.hasNext()) {
                            final BeanDefinition<Serializer> bd = i.next();
                            final Argument<?>[] candidateParams = bd.getTypeArguments(Serializer.class).get(0).getTypeParameters();
                            if (candidateParams.length == params.length) {
                                for (int j = 0; j < params.length; j++) {
                                    Argument<?> param = params[j];
                                    final Argument<?> candidateParam = candidateParams[j];
                                    if (!((param.getType() == candidateParam.getType()) || (candidateParam.isTypeVariable() && candidateParam.getType().isAssignableFrom(param.getType())))) {
                                        i.remove();
                                    }
                                }
                            } else {
                                i.remove();
                            }
                        }
                    }
                    break;
                }
            }
        }
        if (possibles != null) {
            if (possibles.size() == 1) {
                final BeanDefinition<Serializer> definition = possibles.iterator().next();
                final Serializer locatedSerializer = beanContext.getBean(definition);
                serializerMap.put(key, locatedSerializer);
                return locatedSerializer;
            } else if (possibles.isEmpty()) {
                throw new SerdeException("No serializers found for type: " + type);
            } else {
                final BeanDefinition<Serializer> definition = lastChanceResolve(type, possibles);
                final Serializer locatedSerializer = beanContext.getBean(definition);
                serializerMap.put(key, locatedSerializer);
                return locatedSerializer;
            }
        } else {
            serializerMap.put(key, objectSerializer);
        }
    }
    return objectSerializer;
}