Java Object Serialize serialize(Serializable obj)

Description

Serializes an Object to a byte array for storage/serialization.

License

Open Source License

Parameter

Parameter	Description
obj	the object to serialize to bytes

Exception

Parameter	Description
RuntimeException	(runtime) if the serialization fails

Return

a byte[] with the converted Serializable

Declaration

public static byte[] serialize(Serializable obj) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;

public class Main {
    /**/*from   w  ww. j  av  a  2 s  . c  om*/
     * <p>Serializes an <code>Object</code> to a byte array for
     * storage/serialization.</p>
     *
     * @param obj  the object to serialize to bytes
     * @return a byte[] with the converted Serializable
     * @throws RuntimeException (runtime) if the serialization fails
     */
    public static byte[] serialize(Serializable obj) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream(512);
        serialize(obj, baos);
        return baos.toByteArray();
    }

    /**
     * <p>Serializes an <code>Object</code> to the specified stream.</p>
     *
     * <p>The stream will be closed once the object is written.
     * This avoids the need for a finally clause, and maybe also exception
     * handling, in the application code.</p>
     *
     * <p>The stream passed in is not buffered internally within this method.
     * This is the responsibility of your application if desired.</p>
     *
     * @param obj  the object to serialize to bytes, may be null
     * @param outputStream  the stream to write to, must not be null
     * @throws IllegalArgumentException if <code>outputStream</code> is <code>null</code>
     * @throws RuntimeException (runtime) if the serialization fails
     */
    public static void serialize(Serializable obj, OutputStream outputStream) {
        if (outputStream == null)
            throw new IllegalArgumentException(
                    "The OutputStream must not be null");
        ObjectOutputStream out = null;
        try {
            // stream closed in the finally
            out = new ObjectOutputStream(outputStream);
            out.writeObject(obj);

        } catch (IOException ex) {
            throw new RuntimeException(ex);
        } finally {
            try {
                if (out != null)
                    out.close();
            } catch (IOException ex) {
                // ignore close exception
            }
        }
    }
}

Related

1. serialize(S value)
2. serialize(Serializable jobSpec)
3. serialize(Serializable o)
4. serialize(Serializable obj)
5. serialize(Serializable obj)
6. serialize(Serializable obj)
7. serialize(Serializable obj, String fileName)
8. serialize(Serializable obj, String path)
9. serialize(Serializable object)