Classe Utilitária para serialização e desserialização de Objectos Java

Objects

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public final class Objects {

	private final static Log LOG = LogFactory.getLog(Objects.class.getName());

	public static final byte[] serialize(Serializable obj) {

		if (obj == null)
			return new byte[0];

		ByteArrayOutputStream baos = null;
		ObjectOutputStream oos = null;

		try {
			oos = new ObjectOutputStream(baos = new ByteArrayOutputStream());
			oos.writeObject(obj);
			return baos.toByteArray();
		} catch (IOException exception) {
			throw new RuntimeException(exception);
		} finally {
			closeQuiently(new Closeable[] { baos, oos });
		}
	}

	public static Object desserialize(byte[] b) throws ClassNotFoundException {
		if (b == null || b.length == 0)
			return null;

		ByteArrayInputStream bais = null;
		ObjectInputStream ois = null;

		try {
			ois = new ObjectInputStream(bais = new ByteArrayInputStream(b));
			return ois.readObject();
		} catch (IOException exception) {
			throw new RuntimeException(exception);
		} finally {
			closeQuiently(new Closeable[] { bais, ois });
		}
	}

	private static void closeQuiently(Closeable res) {
		if (res != null)
			try {
				res.close();
			} catch (IOException ignore) {
				LOG.error("Erro ao liberar recurso! Causa:"
						+ ignore.getMessage());
			}
	}

	private static void closeQuiently(Closeable[] resources) {
		if (resources != null) {
			for (int i = 0; i < resources.length; i++) {
				closeQuiently(resources[i]);
			}
		}
	}
}