com.ning.billing.recurly.util.http.SslUtils Maven / Gradle / Ivy
/*
* Copyright 2014 Groupon, Inc
* Copyright 2014 The Billing Project, LLC
*
* The Billing Project 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 com.ning.billing.recurly.util.http;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import javax.net.ssl.SSLContext;
public class SslUtils {
private static final String TLS_PROTOCOL_KEY = "killbill.payment.recurly.tlsProtocol";
private static final String TLS_PROTOCOL_DEFAULT = "TLSv1.2";
private SSLContext context;
private static class SingletonHolder {
public static final SslUtils instance = new SslUtils();
}
public static SslUtils getInstance() {
return SingletonHolder.instance;
}
public SSLContext getSSLContext() throws NoSuchAlgorithmException, KeyManagementException {
if (context != null) return this.context;
final String protocol = System.getProperty(TLS_PROTOCOL_KEY, TLS_PROTOCOL_DEFAULT);
context = SSLContext.getInstance(protocol);
context.init(null, null, null);
return context;
}
}
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