/*

 * Copyright (c) 2018, 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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.

 */

package sun.security.ssl;

/**

 * Enum for SSL/(D)TLS content types.

 */

enum ContentType {

    INVALID             ((byte)0,   "invalid",

                            ProtocolVersion.PROTOCOLS_OF_13),

    CHANGE_CIPHER_SPEC  ((byte)20,  "change_cipher_spec",

                            ProtocolVersion.PROTOCOLS_TO_12),

    ALERT               ((byte)21,  "alert",

                            ProtocolVersion.PROTOCOLS_TO_13),

    HANDSHAKE           ((byte)22,  "handshake",

                            ProtocolVersion.PROTOCOLS_TO_13),

    APPLICATION_DATA    ((byte)23,  "application_data",

                            ProtocolVersion.PROTOCOLS_TO_13);

    final byte id;

    final String name;

    final ProtocolVersion[] supportedProtocols;

    private ContentType(byte id, String name,

            ProtocolVersion[] supportedProtocols) {

        this.id = id;

        this.name = name;

        this.supportedProtocols = supportedProtocols;

    }

    static ContentType valueOf(byte id) {

        for (ContentType ct : ContentType.values()) {

            if (ct.id == id) {

                return ct;

            }

        }

        return null;

    }

    static String nameOf(byte id) {

        for (ContentType ct : ContentType.values()) {

            if (ct.id == id) {

                return ct.name;

            }

        }

        return "<UNKNOWN CONTENT TYPE: " + (id & 0x0FF) + ">";

    }

}