code: @Override
  	public void serialize(final DateTime value, final JsonGenerator jgen, final SerializerProvider provider)
  			throws IOException, JsonProcessingException {
  		jgen.writeString(value.toString(formatter));
  	}
docs: /*
  (non-Javadoc)
  
  @see org.codehaus.jackson.map.JsonSerializer#serialize(java.lang.Object,
  org.codehaus.jackson.JsonGenerator,
  org.codehaus.jackson.map.SerializerProvider)