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package org.bardframework.commons.utils;

import lombok.experimental.UtilityClass;

import java.io.*;

@UtilityClass
public class SerializationUtils {

    public static byte[] serialize(Serializable object)
            throws IOException {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        serialize(object, outputStream);
        return outputStream.toByteArray();
    }

    public static void serialize(Serializable object, OutputStream outputStream)
            throws IOException {
        try (ObjectOutputStream out = new ObjectOutputStream(outputStream)) {
            out.writeObject(object);
        }

    }

    public static  T deserialize(byte[] inBytes)
            throws IOException, ClassNotFoundException {
        ByteArrayInputStream inputStream = new ByteArrayInputStream(inBytes);
        return deserialize(inputStream);
    }

    public static  T deserialize(InputStream inputStream)
            throws IOException, ClassNotFoundException {
        try (ObjectInputStream in = new ObjectInputStream(inputStream)) {
            return (T) in.readObject();
        }
    }

    public static byte[] serializeAndEncodeObject(Serializable obj) throws IOException {
        return serialize(obj);
    }

    public static  T deserializeAndCheckObject(byte[] object, Class type)
            throws IOException, ClassNotFoundException {
        Object result = deserialize(object);
        if (!type.isAssignableFrom(result.getClass())) {
            throw new ClassCastException("Decoded object is of type " + result.getClass() + " when we were expecting " + type);
        } else {
            return (T) result;
        }
    }
}