Java tutorial
/* * Copyright (C) 2014 Square, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.squareup.okhttp; import javax.net.ssl.SSLSocket; /** * Versions of TLS that can be offered when negotiating a secure socket. See * {@link SSLSocket#setEnabledProtocols}. */ public enum TlsVersion { TLS_1_2("TLSv1.2"), // 2008. TLS_1_1("TLSv1.1"), // 2006. TLS_1_0("TLSv1"), // 1999. SSL_3_0("SSLv3"), // 1996. ; final String javaName; TlsVersion(String javaName) { this.javaName = javaName; } public static TlsVersion forJavaName(String javaName) { switch (javaName) { case "TLSv1.2": return TLS_1_2; case "TLSv1.1": return TLS_1_1; case "TLSv1": return TLS_1_0; case "SSLv3": return SSL_3_0; } throw new IllegalArgumentException("Unexpected TLS version: " + javaName); } public String javaName() { return javaName; } }