/**
* Copyright (c) 2011-2012 Optimax Software Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Optimax Software, ElasticInbox, nor the names
* of its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.elasticinbox.core.utils;
import java.util.UUID;
import me.prettyprint.cassandra.utils.TimeUUIDUtils;
//import com.google.common.io.BaseEncoding;
import javax.xml.bind.DatatypeConverter;
/**
* URL safe Base64 encoding/decoding of UUID
* <p>
* Produces a 22 character string which is a URL safe Base64 encoded UUID.
* </p>
*
* @author Rustam Aliyev
*/
public class Base64UUIDUtils
{
public static String encode(UUID uuid)
{
String base64 = DatatypeConverter.printBase64Binary(TimeUUIDUtils.asByteArray(uuid));
// remove padding
if (base64.endsWith("==")) {
base64 = base64.substring(0, base64.length() - 2);
}
return base64;
// TODO use with Guava 14 (Jclouds 1.6)
// return BaseEncoding.base64Url().omitPadding()
// .encode(TimeUUIDUtils.asByteArray(uuid));
}
public static UUID decode(String encoded)
{
// TODO use with Guava 14 (Jclouds 1.6)
// byte[] ba = BaseEncoding.base64Url().decode(encoded);
// return TimeUUIDUtils.toUUID(ba);
return TimeUUIDUtils.toUUID(DatatypeConverter.parseBase64Binary(encoded + "=="));
}
}