public class someClass {
//your lcode and logic...
ObjectMapper mapper = new ObjectMapper();
SimpleModule module = new SimpleModule();
module.addSerializer(MyAwesomeClass.class, new MyAwesomeSerializer());
mapper.registerModule(module);
jsonNode = mapper.convertValue(myAwesomeObject, JsonNode.class);
//... your code and logic
}
public class MyAwesomeSerializer extends StdSerializer<MyAwesomeClass> { public MyAwesomeSerializer() { super(MyAwesomeClass.class); } @Override public void serialize(MyAwesomeClass myAwesomeClass, JsonGenerator jgen, SerializerProvider provider) throws IOException { ObjectMapper mapper = new ObjectMapper(); jgen.writeStartObject(); jgen.writeStringField("name", myAwesomeClass.getName()); jgen.writeStringField("age", myAwesomeClass.getAge()); jgen.writeArrayFieldStart("hobbies"); for (Hobby hobby : myAwesomeClass.getHobbies()) { jgen.writeObject(mapper.convertValue(hobby, JsonNode.class)); } jgen.writeEndArray(); jgen.writeEndObject(); }
}

import java.io.Serializable;