com.github.tell.codec.Base64Serializer.java Source code

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Here is the source code for com.github.tell.codec.Base64Serializer.java

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/**
 * @author Tadanori TERUYA <tadanori.teruya@gmail.com> (2012)
 */
/*
 * Copyright (c) 2012 Tadanori TERUYA (tell) <tadanori.teruya@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * @license: The MIT license <http://opensource.org/licenses/MIT>
 */
package com.github.tell.codec;

import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.binary.Base64OutputStream;

import java.io.*;

public class Base64Serializer implements SerializationEncoder {
    public String getFormat() {
        return "Base64/" + JavaSerialization.formatName;
    }

    public byte[] encode(final Serializable o) throws IOException {
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        final Base64OutputStream b64os = new Base64OutputStream(baos, true);
        final ObjectOutputStream oos = new ObjectOutputStream(b64os);
        oos.writeObject(o);
        oos.close();
        return baos.toByteArray();
    }

    public Serializable decode(final byte[] encoded) throws IOException, ClassNotFoundException {
        final byte[] decoded = Base64.decodeBase64(encoded);
        final ByteArrayInputStream bais = new ByteArrayInputStream(decoded);
        final ObjectInputStream ois = new ObjectInputStream(bais);
        return (Serializable) ois.readObject();
    }

    public String encodeToString(final Serializable o) throws IOException {
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        final ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(o);
        oos.close();
        final byte[] encoded = baos.toByteArray();
        final Base64 encoder = new Base64();
        return encoder.encodeToString(encoded);
    }

    public Serializable decodeFromString(final String encoded) throws IOException, ClassNotFoundException {
        final byte[] decoded = Base64.decodeBase64(encoded);
        final ByteArrayInputStream bais = new ByteArrayInputStream(decoded);
        final ObjectInputStream ois = new ObjectInputStream(bais);
        return (Serializable) ois.readObject();
    }
}