/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.tomcat.util.net.openssl;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.tomcat.util.net.Constants;
/**
* Get SSL protocols in the right preference order
*/
public class OpenSSLProtocols {
private List<String> openSSLProtocols = new ArrayList<>();
public OpenSSLProtocols(String preferredJSSEProto) {
Collections.addAll(openSSLProtocols, Constants.SSL_PROTO_TLSv1_2,
Constants.SSL_PROTO_TLSv1_1, Constants.SSL_PROTO_TLSv1,
Constants.SSL_PROTO_SSLv3, Constants.SSL_PROTO_SSLv2);
if(openSSLProtocols.contains(preferredJSSEProto)) {
openSSLProtocols.remove(preferredJSSEProto);
openSSLProtocols.add(0, preferredJSSEProto);
}
}
public String[] getProtocols() {
return openSSLProtocols.toArray(new String[openSSLProtocols.size()]);
}
}