com.mongodb.internal.connection.Java8SniSslHelper Maven / Gradle / Ivy
/*
* Copyright 2008-present MongoDB, 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.mongodb.internal.connection;
import javax.net.ssl.SNIHostName;
import javax.net.ssl.SNIServerName;
import javax.net.ssl.SSLParameters;
import static java.util.Collections.singletonList;
// This class is loaded via Class.forName from SslHelper.
final class Java8SniSslHelper implements SniSslHelper {
// if running on Java 8 or above then SNIHostName will be available and initialization will succeed. Otherwise it will fail.
static {
try {
Class.forName("javax.net.ssl.SNIHostName");
} catch (ClassNotFoundException e) {
throw new ExceptionInInitializerError(e);
}
}
@Override
public void enableSni(final String host, final SSLParameters sslParameters) {
try {
SNIServerName sniHostName = new SNIHostName(host);
sslParameters.setServerNames(singletonList(sniHostName));
} catch (IllegalArgumentException e) {
// ignore because SNIHostName will throw this for some legit host names for connecting to MongoDB, e.g an IPV6 literal
}
}
Java8SniSslHelper() {
}
}