/*
* 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 okhttp3;
import java.util.
ArrayList;
import java.util.
Collections;
import java.util.
List;
/**
* Versions of TLS that can be offered when negotiating a secure socket. See {@link
* javax.net.ssl.SSLSocket#setEnabledProtocols}.
*/
public enum
TlsVersion {
TLS_1_3("TLSv1.3"), // 2016.
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 "TLSv1.3":
return
TLS_1_3;
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);
}
static
List<
TlsVersion>
forJavaNames(
String...
tlsVersions) {
List<
TlsVersion>
result = new
ArrayList<>(
tlsVersions.length);
for (
String tlsVersion :
tlsVersions) {
result.
add(
forJavaName(
tlsVersion));
}
return
Collections.
unmodifiableList(
result);
}
public
String javaName() {
return
javaName;
}
}