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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.
*
*/
package org.apache.qpidity.security;
import java.security.Security;
import java.util.Map;
import java.util.TreeMap;
import javax.security.sasl.SaslClientFactory;
import org.apache.qpidity.QpidConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DynamicSaslRegistrar
{
private static final Logger _logger = LoggerFactory.getLogger(DynamicSaslRegistrar.class);
public static void registerSaslProviders()
{
Map<String, Class> factories = registerSaslClientFactories();
if (factories.size() > 0)
{
Security.addProvider(new JCAProvider(factories));
_logger.debug("Dynamic SASL provider added as a security provider");
}
}
private static Map<String, Class> registerSaslClientFactories()
{
TreeMap<String, Class> factoriesToRegister =
new TreeMap<String, Class>();
for (QpidConfig.SaslClientFactory factory: QpidConfig.get().getSaslClientFactories())
{
String className = factory.getFactoryClass();
try
{
Class clazz = Class.forName(className);
if (!(SaslClientFactory.class.isAssignableFrom(clazz)))
{
_logger.debug("Class " + clazz + " does not implement " + SaslClientFactory.class + " - skipping");
continue;
}
factoriesToRegister.put(factory.getType(), clazz);
}
catch (Exception ex)
{
_logger.debug("Error instantiating SaslClientFactory calss " + className + " - skipping");
}
}
return factoriesToRegister;
}
}
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