package com.buckosoft.PicMan.service.support;

 import java.util.HashSet;

 import com.fasterxml.jackson.databind.BeanDescription;

 import com.fasterxml.jackson.databind.JsonSerializer;

 import com.fasterxml.jackson.databind.SerializationConfig;

 import com.fasterxml.jackson.databind.jsontype.TypeSerializer;

 import com.fasterxml.jackson.databind.module.SimpleSerializers;

 import com.fasterxml.jackson.databind.type.MapLikeType;

 import com.fasterxml.jackson.databind.type.MapType;

 public class MapSerializersExt extends SimpleSerializers {

         private static final long serialVersionUID = 5717783442425589683L;

         @Override

         public JsonSerializer<?> findMapSerializer(SerializationConfig config,

                         MapType type, BeanDescription beanDesc,

                         JsonSerializer<Object> keySerializer,

                         TypeSerializer elementTypeSerializer,

                         JsonSerializer<Object> elementValueSerializer) {

                 return createMapSerializer(config, type, beanDesc, keySerializer,

                                 elementTypeSerializer, elementValueSerializer);

         }

         @Override

         public JsonSerializer<?> findMapLikeSerializer(SerializationConfig config,

                         MapLikeType type, BeanDescription beanDesc,

                         JsonSerializer<Object> keySerializer,

                         TypeSerializer elementTypeSerializer,

                         JsonSerializer<Object> elementValueSerializer) {

                 return createMapSerializer(config, type, beanDesc, keySerializer,

                                 elementTypeSerializer, elementValueSerializer);

         }

         public JsonSerializer<?> createMapSerializer(SerializationConfig config,

                         MapLikeType type, BeanDescription beanDesc,

                         JsonSerializer<Object> keySerializer,

                         TypeSerializer elementTypeSerializer,

                         JsonSerializer<Object> elementValueSerializer) {

                 TypeSerializer keyTypeSerializer = JsonUtils.createTypeSerializer(

                                 config, type.getKeyType());

                 return new KeyValueMapSerializer(new HashSet<String>(),

                                 type.getKeyType(), type.getContentType(), false,

                                 elementTypeSerializer, keyTypeSerializer, keySerializer,

                                 elementValueSerializer);

         }

 }