Encoder.java

package module;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class Encoder {

    public static byte[] serialize(Object obj) throws IOException {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ObjectOutputStream os = new ObjectOutputStream(out);
        os.writeObject(obj);

        byte[] result = out.toByteArray();
        out.close();
        return result;
    }

    public static Object deserialize(byte[] data) throws IOException, ClassNotFoundException {
        ByteArrayInputStream in = new ByteArrayInputStream(data);
        ObjectInputStream is = new ObjectInputStream(in);

        Object result = is.readObject();

        is.close();
        return result;
    }
}