package com.atlassian.vcache.internal.core.metrics;
   
   import com.atlassian.json.marshal.Jsonable;
   import com.atlassian.vcache.internal.JsonableFactory;
   import com.atlassian.vcache.internal.RequestMetrics;
   import org.codehaus.jackson.annotate.JsonAutoDetect;
   import org.codehaus.jackson.annotate.JsonMethod;
   import org.codehaus.jackson.map.ObjectMapper;
   
  /**
   * Implementation of {@link JsonableFactory} that uses the Jackson library.
   *
   * @since 1.0.0
   */
  public class JacksonJsonableFactory implements JsonableFactory {
      // ObjectMapper is thread safe
      private static final ObjectMapper OBJECT_MAPPER;
  
      static {
          final ObjectMapper mapper = new ObjectMapper();
          mapper.setVisibility(JsonMethod.FIELD, JsonAutoDetect.Visibility.ANY);
          OBJECT_MAPPER = mapper;
      }
  
      @Override
      public Jsonable apply(final RequestMetrics requestMetrics) {
          return writer -> OBJECT_MAPPER.writeValue(writer, requestMetrics);
      }
  }