Subversion Repositories SmartDukaan

package in.shop2020.storage.mongo.adapters;

import in.shop2020.metamodel.core.BulletDataObject;

import java.lang.reflect.Type;

import com.google.gson.JsonDeserializationContext;

import com.google.gson.JsonDeserializer;

import com.google.gson.JsonElement;

import com.google.gson.JsonObject;

import com.google.gson.JsonParseException;

import com.google.gson.JsonPrimitive;

import com.google.gson.JsonSerializationContext;

import com.google.gson.JsonSerializer;

public class BDOAdapter implements JsonSerializer<BulletDataObject>, JsonDeserializer<BulletDataObject> {

    @Override

    public JsonElement serialize(BulletDataObject src, Type typeOfSrc, JsonSerializationContext context) {

        JsonObject result = new JsonObject();

        result.add("type", new JsonPrimitive(src.getClass().getName()));

        result.add("properties", context.serialize(src, src.getClass()));

        return result;

    }

    @Override

    public BulletDataObject deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)

        throws JsonParseException {

        JsonObject jsonObject = json.getAsJsonObject();

        String type = jsonObject.get("type").getAsString();

        JsonElement element = jsonObject.get("properties");

        try {

            return context.deserialize(element, Class.forName(type));

        } catch (ClassNotFoundException cnfe) {

            throw new JsonParseException("Unknown element type: " + type, cnfe);

        }

    }

}