HidekoBot/src/main/java/wtf/beatrice/hidekobot/util/SerializationUtil.java

package wtf.beatrice.hidekobot.util;

import org.apache.commons.lang3.SerializationException;

import java.io.*;
import java.util.Base64;
import java.util.LinkedList;
import java.util.List;

public class SerializationUtil
{

    private SerializationUtil()
    {
        throw new IllegalStateException("Utility class");
    }

    public static <T> String serializeBase64(List<T> dataList)
    {

        try (ByteArrayOutputStream bo = new ByteArrayOutputStream();
             ObjectOutputStream so = new ObjectOutputStream(bo))
        {
            so.writeObject(dataList);
            so.flush();
            return Base64.getEncoder().encodeToString(bo.toByteArray());
        } catch (IOException e)
        {
            throw new SerializationException("Error during serialization", e);
        }
    }

    public static <T> LinkedList<T> deserializeBase64(String dataStr)
    {

        byte[] b = Base64.getDecoder().decode(dataStr);
        ByteArrayInputStream bi = new ByteArrayInputStream(b);
        ObjectInputStream si;
        try
        {
            si = new ObjectInputStream(bi);
            return LinkedList.class.cast(si.readObject());
        } catch (IOException | ClassNotFoundException e)
        {
            throw new SerializationException("Error during deserialization", e);
        }
    }
}