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/*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package ch.boye.httpclientandroidlib.conn.ssl;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import javax.net.ssl.SSLContext;
import ch.boye.httpclientandroidlib.annotation.Immutable;
/**
* {@link SSLContext} factory methods.
*
* @since 4.3
*/
@Immutable
public class SSLContexts {
/**
* Creates default factory based on the standard JSSE trust material
* (<code>cacerts</code> file in the security properties directory). System properties
* are not taken into consideration.
*
* @return the default SSL socket factory
*/
public static SSLContext createDefault() throws SSLInitializationException {
try {
final SSLContext sslcontext = SSLContext.getInstance(SSLContextBuilder.TLS);
sslcontext.init(null, null, null);
return sslcontext;
} catch (final NoSuchAlgorithmException ex) {
throw new SSLInitializationException(ex.getMessage(), ex);
} catch (final KeyManagementException ex) {
throw new SSLInitializationException(ex.getMessage(), ex);
}
}
/**
* Creates default SSL context based on system properties. This method obtains
* default SSL context by calling <code>SSLContext.getInstance("Default")</code>.
* Please note that <code>Default</code> algorithm is supported as of Java 6.
* This method will fall back onto {@link #createDefault()} when
* <code>Default</code> algorithm is not available.
*
* @return default system SSL context
*/
public static SSLContext createSystemDefault() throws SSLInitializationException {
try {
return SSLContext.getInstance("Default");
} catch (final NoSuchAlgorithmException ex) {
return createDefault();
}
}
/**
* Creates custom SSL context.
*
* @return default system SSL context
*/
public static SSLContextBuilder custom() {
return new SSLContextBuilder();
}
}
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