package com.test.base;

import java.lang.reflect.Type;

import java.sql.Timestamp;

import java.text.DateFormat;

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.Date;

import com.google.gson.JsonDeserializationContext;

import com.google.gson.JsonDeserializer;

import com.google.gson.JsonElement;

import com.google.gson.JsonParseException;

import com.google.gson.JsonPrimitive;

import com.google.gson.JsonSerializationContext;

import com.google.gson.JsonSerializer;

public class TimestampTypeAdapter implements JsonSerializer<Timestamp>, JsonDeserializer<Timestamp> {

    private final DateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    @Override

    public Timestamp deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {

        if (!(jsonElement instanceof JsonPrimitive)) {

            throw new JsonParseException("The data should be a string value");

        }

        try {

            Date date = format.parse(jsonElement.getAsString());

            return new Timestamp(date.getTime());

        } catch (ParseException e) {

            throw new JsonParseException(e);

        }

    }

    @Override

    public JsonElement serialize(Timestamp timestamp, Type type, JsonSerializationContext jsonSerializationContext) {

        String dataFormatAsString = format.format(new Date(timestamp.getTime()));

        return new JsonPrimitive(dataFormatAsString);

    }

}

    @Test

    public void gsonTest() {

        Gson gson1 = new GsonBuilder().registerTypeAdapter(Timestamp.class, new TimestampTypeAdapter()).setDateFormat("yyyy-MM-dd HH:mm:ss").create();

        CascadeReport tem = new CascadeReport();

        tem.setDate(new Timestamp(new Date().getTime()));

        tem.setDepartment("武汉刑侦");

        String jsonString = gson1.toJson(tem, CascadeReport.class);

        System.out.println(jsonString);

        //////////////////////////////////////////////////////////

        String reportData = "[{date:\"2016-01-01 09:00:01\",department:\"xxxx\",ipAddress:\"192.168.120.120\",failedNum:2,ruleIDs:\"1002,1003\",regionCode:168430083,account:\"李四\",type:1 }]";

        List<CascadeReport> list = gson.fromJson(reportData, new TypeToken<List<CascadeReport>>() {

        }.getType());

        System.out.println(list.get(0).getDate().toGMTString());

    }