com.moss.bdbadmin.api.util.KeyFactory.java Source code

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Here is the source code for com.moss.bdbadmin.api.util.KeyFactory.java

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/**
 * Copyright (C) 2013, Moss Computing Inc.
 *
 * This file is part of bdbadmin.
 *
 * bdbadmin is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * bdbadmin is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with bdbadmin; see the file COPYING.  If not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 *
 * Linking this library statically or dynamically with other modules is
 * making a combined work based on this library.  Thus, the terms and
 * conditions of the GNU General Public License cover the whole
 * combination.
 *
 * As a special exception, the copyright holders of this library give you
 * permission to link this library with independent modules to produce an
 * executable, regardless of the license terms of these independent
 * modules, and to copy and distribute the resulting executable under
 * terms of your choice, provided that you also meet, for each linked
 * independent module, the terms and conditions of the license of that
 * module.  An independent module is a module which is not derived from
 * or based on this library.  If you modify this library, you may extend
 * this exception to your version of the library, but you are not
 * obligated to do so.  If you do not wish to do so, delete this
 * exception statement from your version.
 */
package com.moss.bdbadmin.api.util;

import java.net.URLDecoder;
import java.net.URLEncoder;

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

public class KeyFactory {

    private static final String ENCODING = "UTF8";

    public static String encode(byte[] key) {
        try {
            byte[] base64 = Base64.encodeBase64(key);
            String utfBase64 = new String(base64, ENCODING);
            String urlEncoded = URLEncoder.encode(utfBase64, ENCODING);
            return urlEncoded;
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
    }

    public static byte[] decode(String urlEncodedKey) {
        try {
            String utfBase64 = URLDecoder.decode(urlEncodedKey, ENCODING);
            byte[] base64 = utfBase64.getBytes(ENCODING);
            byte[] key = Base64.decodeBase64(base64);
            return key;
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
    }
}