Examples with StringDeserializer com.fasterxml.jackson.databind.deser.std.StringDeserializer used on opensource projects

Example 1 with StringDeserializer

use of com.fasterxml.jackson.databind.deser.std.StringDeserializer in project micronaut-core by micronaut-projects.

the class ObjectMapperFactory method objectMapper.

/**
 * Builds the core Jackson {@link ObjectMapper} from the optional configuration and {@link JsonFactory}.
 *
 * @param jacksonConfiguration The configuration
 * @param jsonFactory          The JSON factory
 * @return The {@link ObjectMapper}
 */
@Singleton
@Primary
@Named("json")
@BootstrapContextCompatible
public ObjectMapper objectMapper(@Nullable JacksonConfiguration jacksonConfiguration, @Nullable JsonFactory jsonFactory) {
    ObjectMapper objectMapper = new ObjectMapper(jsonFactory, null, new DefaultDeserializationContext.Impl(new ResilientBeanDeserializerFactory(new DeserializerFactoryConfig())));
    final boolean hasConfiguration = jacksonConfiguration != null;
    if (!hasConfiguration || jacksonConfiguration.isModuleScan()) {
        objectMapper.findAndRegisterModules();
    }
    objectMapper.registerModules(jacksonModules);
    SimpleModule module = new SimpleModule(MICRONAUT_MODULE);
    for (JsonSerializer serializer : serializers) {
        Class<? extends JsonSerializer> type = serializer.getClass();
        Type annotation = type.getAnnotation(Type.class);
        if (annotation != null) {
            Class[] value = annotation.value();
            for (Class aClass : value) {
                module.addSerializer(aClass, serializer);
            }
        } else {
            Optional<Class> targetType = GenericTypeUtils.resolveSuperGenericTypeArgument(type);
            if (targetType.isPresent()) {
                module.addSerializer(targetType.get(), serializer);
            } else {
                module.addSerializer(serializer);
            }
        }
    }
    for (JsonDeserializer deserializer : deserializers) {
        Class<? extends JsonDeserializer> type = deserializer.getClass();
        Type annotation = type.getAnnotation(Type.class);
        if (annotation != null) {
            Class[] value = annotation.value();
            for (Class aClass : value) {
                module.addDeserializer(aClass, deserializer);
            }
        } else {
            Optional<Class> targetType = GenericTypeUtils.resolveSuperGenericTypeArgument(type);
            targetType.ifPresent(aClass -> module.addDeserializer(aClass, deserializer));
        }
    }
    if (hasConfiguration && jacksonConfiguration.isTrimStrings()) {
        module.addDeserializer(String.class, new StringDeserializer() {

            @Override
            public String deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
                String value = super.deserialize(p, ctxt);
                return StringUtils.trimToNull(value);
            }
        });
    }
    for (KeyDeserializer keyDeserializer : keyDeserializers) {
        Class<? extends KeyDeserializer> type = keyDeserializer.getClass();
        Type annotation = type.getAnnotation(Type.class);
        if (annotation != null) {
            Class[] value = annotation.value();
            for (Class clazz : value) {
                module.addKeyDeserializer(clazz, keyDeserializer);
            }
        }
    }
    objectMapper.registerModule(module);
    for (BeanSerializerModifier beanSerializerModifier : beanSerializerModifiers) {
        objectMapper.setSerializerFactory(objectMapper.getSerializerFactory().withSerializerModifier(beanSerializerModifier));
    }
    objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    objectMapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);
    objectMapper.configure(DeserializationFeature.UNWRAP_SINGLE_VALUE_ARRAYS, true);
    if (hasConfiguration) {
        ObjectMapper.DefaultTyping defaultTyping = jacksonConfiguration.getDefaultTyping();
        if (defaultTyping != null) {
            objectMapper.activateDefaultTyping(objectMapper.getPolymorphicTypeValidator(), defaultTyping);
        }
        JsonInclude.Include include = jacksonConfiguration.getSerializationInclusion();
        if (include != null) {
            objectMapper.setSerializationInclusion(include);
        }
        String dateFormat = jacksonConfiguration.getDateFormat();
        if (dateFormat != null) {
            objectMapper.setDateFormat(new SimpleDateFormat(dateFormat));
        }
        Locale locale = jacksonConfiguration.getLocale();
        if (locale != null) {
            objectMapper.setLocale(locale);
        }
        TimeZone timeZone = jacksonConfiguration.getTimeZone();
        if (timeZone != null) {
            objectMapper.setTimeZone(timeZone);
        }
        PropertyNamingStrategy propertyNamingStrategy = jacksonConfiguration.getPropertyNamingStrategy();
        if (propertyNamingStrategy != null) {
            objectMapper.setPropertyNamingStrategy(propertyNamingStrategy);
        }
        jacksonConfiguration.getSerializationSettings().forEach(objectMapper::configure);
        jacksonConfiguration.getDeserializationSettings().forEach(objectMapper::configure);
        jacksonConfiguration.getMapperSettings().forEach(objectMapper::configure);
        jacksonConfiguration.getParserSettings().forEach(objectMapper::configure);
        jacksonConfiguration.getGeneratorSettings().forEach(objectMapper::configure);
    }
    return objectMapper;
}