JdkUtils.java

/*
 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * Utilities for JDK peers.
 */
public class JdkUtils {

    public static String protocol(Protocol protocol) {
        if (protocol == null) {
            return null;
        }

        switch (protocol) {
        case SSLV3:
            return "SSLv3";

        case TLSV1:
            return "TLSv1";

        case TLSV1_1:
            return "TLSv1.1";

        case TLSV1_2:
            return "TLSv1.2";

        case TLSV1_3:
            return "TLSv1.3";

        default:
            throw new RuntimeException("Unsupported protocol: " + protocol);
        }
    }
}