SOF http://stackoverflow.com/questions/37010891/how-to-map-a-nested-value-to-a-property-using-jackson-annotations

Brand.java

package com.rizze.test.labs.sof;


public class Brand {
    protected int id;
    protected String name;	   
}

Product.java

package com.rizze.test.labs.sof;

import com.fasterxml.jackson.annotation.JsonProperty;

public class Product {
	protected int id;
	protected String name;
    
    @JsonProperty("brand") //not necessary ... but written
    protected Brand brand;
   
}

SOF_37010891.java

package com.rizze.test.labs.sof;

import static org.junit.Assert.*;

import java.io.IOException;

import org.junit.Test;

import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.rizze.test.entity.EntityJunit_Test;

/**
 * http://stackoverflow.com/questions/37010891/how-to-map-a-nested-value-to-a-property-using-jackson-annotations/37011531#37011531
	
 * @author Jean-Emmanuel 
 * @company RIZZE
 *
 */
public class SOF_37010891 extends EntityJunit_Test{


	@Test
	public void test() {
		
		Brand b = new Brand();
		b.id=1;
		b.name="RIZZE";
		
		Product p = new Product();
		p.brand=b;
		p.id=12;
		p.name="bigdata";
		
		
		//mapper
		ObjectMapper o = new ObjectMapper();
		o.registerSubtypes(Brand.class);
		o.registerSubtypes(Product.class);
		o.setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
		
		String json=null;
		try {
			json = o.writeValueAsString(p);
			assertTrue(json!=null);
			logger.info(json);
			
			Product p2;
			try {
				p2 = o.readValue(json, Product.class);
				assertTrue(p2!=null);
				assertTrue(p2.id== p.id);
				assertTrue(p2.name.compareTo(p.name)==0);
				assertTrue(p2.brand.id==p.brand.id);
				logger.info("SUCCESS");
			} catch (IOException e) {
				
				e.printStackTrace();
				fail(e.toString());
			}
			
			
			
			
		} catch (JsonProcessingException e) {
			
			e.printStackTrace();
			fail(e.toString());
		}
		
		
	}


}

Return from console :
2016-05-03 15:21:42 396 INFO {"id":12,"name":"bigdata","brand":{"id":1,"name":"RIZZE"}} / MReloadDB:40
2016-05-03 15:21:42 397 INFO SUCCESS / MReloadDB:49