package at.gv.egiz.eaaf.core.impl.utils;

import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import lombok.Getter;

/**
 * Holder for Jackson JSON Mapper that sets some security features.
 *
 * @author tlenz
 *
 */
public final class DefaultYamlMapper {

  @Getter
  private static final ObjectMapper yamlMapper = new ObjectMapper(new YAMLFactory());

  static {
    // initialize JSON Mapper
    yamlMapper.configure(DeserializationFeature.FAIL_ON_READING_DUP_TREE_KEY, true);
    yamlMapper.configure(DeserializationFeature.FAIL_ON_TRAILING_TOKENS, true);
    yamlMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, true);
    yamlMapper.setVisibility(PropertyAccessor.ALL, Visibility.NONE);
    yamlMapper.setVisibility(PropertyAccessor.GETTER, Visibility.PUBLIC_ONLY);
    yamlMapper.setVisibility(PropertyAccessor.IS_GETTER, Visibility.PUBLIC_ONLY);

  }

  /**
   * private constructor for class with only static methods.
   */
  private DefaultYamlMapper() {

  }
}