package com.google.gwt.user.client.rpc.core.java.sql;

import com.google.gwt.user.client.rpc.CustomFieldSerializer;
import com.google.gwt.user.client.rpc.SerializationException;
import com.google.gwt.user.client.rpc.SerializationStreamReader;
import com.google.gwt.user.client.rpc.SerializationStreamWriter;

import java.sql.Date;

/**
 * Этот класс реализует сериализацию {@link java.sql.Date} без сдвигов.
 */
public final class Date_CustomFieldSerializer extends
        CustomFieldSerializer<Date> {


    public static void deserialize(SerializationStreamReader streamReader,
                                   Date instance) {

    }

    public static Date instantiate(SerializationStreamReader streamReader)
            throws SerializationException {

        Integer year = streamReader.readInt();
        Integer mon = streamReader.readInt();
        Integer day = streamReader.readInt();
        System.out.println("--java.sql.Date--> " + year + " " + mon + " " + day);
        return new Date(
                year,
                mon,
                day
        );
    }

    public static void serialize(SerializationStreamWriter streamWriter,
                                 Date instance) throws SerializationException {
        System.out.println("--java.sql.Date--< " + instance.getYear() + " " + instance.getMonth() + " " + instance.getDate());
        streamWriter.writeInt(instance.getYear());
        streamWriter.writeInt(instance.getMonth());
        streamWriter.writeInt(instance.getDate());
    }

    @Override
    public void deserializeInstance(SerializationStreamReader streamReader,
                                    Date instance) throws SerializationException {
        deserialize(streamReader, instance);
    }

    @Override
    public boolean hasCustomInstantiateInstance() {
        return true;
    }

    @Override
    public Date instantiateInstance(SerializationStreamReader streamReader)
            throws SerializationException {
        return instantiate(streamReader);
    }

    @Override
    public void serializeInstance(SerializationStreamWriter streamWriter,
                                  Date instance) throws SerializationException {
        serialize(streamWriter, instance);
    }
}