/
TlsVersion.java
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/
TlsVersion.java
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/*
* 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.
*/
/*
* Forked from OkHttp 2.5.0
*/
package io.grpc.okhttp.internal;
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_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;
private TlsVersion(String javaName) {
this.javaName = javaName;
}
public static TlsVersion forJavaName(String javaName) {
if ("TLSv1.3".equals(javaName)) {
return TLS_1_3;
} else if ("TLSv1.2".equals(javaName)) {
return TLS_1_2;
} else if ("TLSv1.1".equals(javaName)) {
return TLS_1_1;
} else if ("TLSv1".equals(javaName)) {
return TLS_1_0;
} else if ("SSLv3".equals(javaName)) {
return SSL_3_0;
}
throw new IllegalArgumentException("Unexpected TLS version: " + javaName);
}
public String javaName() {
return javaName;
}
}