(Java) オブジェクトのシリアライズ／デシリアライズ

(org.apache.commons.lang.SerializationUtils.javaより掲載)

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


public static Object deserialize(InputStream inputStream) {
        if (inputStream == null) {
            throw new IllegalArgumentException("The InputStream must not be null");
        }
        ObjectInputStream in = null;
        try {
            // stream closed in the finally
            in = new ObjectInputStream(inputStream);
            return in.readObject();

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

便利！＞＜