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/*
 * Copyright (c) 1998, 2022 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.internal.oxm.conversion;

/**
 * INTERNAL:
 * Purpose: Convert to/from XML base64Binary.
 */

public class Base64 {
    /**
     * Base64 constructor comment.
     */
    private Base64() {
    }

    /**
     * base64Binary data is likely to be long, and decoding requires
     * each character to be accessed twice (once for counting length, another
     * for decoding.)
     *
     * This method decodes the given byte[] using the java.util.Base64
     *
     * @param  data the base64-encoded data.
     * @return the decoded data.
     */
    public static byte[] base64Decode(byte[] data) {
        return java.util.Base64.getMimeDecoder().decode(data);
    }

    /**
     * This method encodes the given byte[] using java.util.Base64
     *
     * @param  data the data
     * @return the base64-encoded data
     */
    public static byte[] base64Encode(byte[] data) {
        return java.util.Base64.getEncoder().encode(data);
    }

    /**
     * This method encodes the given byte[] using java.util.Base64.
     *
     * @param  data the data
     * @return the base64-encoded data as a String
     */
    public static String base64EncodeToString(byte[] data) {
        // Total memory pick is 'data' + 'encoded x 2'
        return java.util.Base64.getEncoder().encodeToString(data);
    }
}