http://www.dropwizard.io/1.3.16/dropwizard-jackson: Dropwizard is a Java framework for developing ops-friendly, high-performance, RESTful web applications.
  • Coda Hale
  • Nick Telford
  • Graham O'Regan
  • Ryan Kennedy
  • Camille Fournier
  • Carlo Barbara
  • Matt Veitas
  • Ryan Tenney
  • Jochen Schalanda
  • Glenn McAllister
  • Nick Babcock
  • Justin Plock
  • Artem Prigoda 
package io.dropwizard.jackson;

import com.fasterxml.jackson.annotation.JacksonAnnotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;


Marker annotation which indicates that the annotated case class should be serialized and deserialized using snake_case JSON field names instead of camelCase field names. 
/**
 * Marker annotation which indicates that the annotated case class should be
 * serialized and deserialized using {@code snake_case} JSON field names instead
 * of {@code camelCase} field names.
 */
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@JacksonAnnotation
public @interface JsonSnakeCase {

}