io.scalecube.cluster.codec.jackson.DefaultObjectMapper Maven / Gradle / Ivy

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package io.scalecube.cluster.codec.jackson;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectMapper.DefaultTyping;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;

final class DefaultObjectMapper {

  public static final ObjectMapper OBJECT_MAPPER = initMapper();

  private DefaultObjectMapper() {
    // Do not instantiate
  }

  private static ObjectMapper initMapper() {
    ObjectMapper mapper = new ObjectMapper();
    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    mapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
    mapper.configure(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL, true);
    mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
    mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
    mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
    mapper.configure(SerializationFeature.WRITE_ENUMS_USING_TO_STRING, true);
    mapper.activateDefaultTyping(
        LaissezFaireSubTypeValidator.instance,
        DefaultTyping.JAVA_LANG_OBJECT,
        JsonTypeInfo.As.WRAPPER_OBJECT);
    mapper.findAndRegisterModules();
    return mapper;
  }
}