org.wildfly.security.sasl.util.AggregateSaslClientFactory Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 org.wildfly.security.sasl.util;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Map;
import javax.security.auth.callback.CallbackHandler;
import javax.security.sasl.SaslClient;
import javax.security.sasl.SaslClientFactory;
import javax.security.sasl.SaslException;
import org.wildfly.common.Assert;
/**
* A {@link SaslClientFactory} which aggregates other {@code SaslClientFactory} instances into one.
*
* @author David M. Lloyd
*/
public final class AggregateSaslClientFactory implements SaslClientFactory {
private final SaslClientFactory[] factories;
/**
* Construct a new instance.
*
* @param factories the factories to aggregate (must not be {@code null})
*/
public AggregateSaslClientFactory(final SaslClientFactory... factories) {
Assert.checkNotNullParam("factories", factories);
this.factories = factories.clone();
}
/**
* Construct a new instance.
*
* @param factories the factories to aggregate (must not be {@code null})
*/
public AggregateSaslClientFactory(final Collection factories) {
Assert.checkNotNullParam("factories", factories);
this.factories = factories.toArray(new SaslClientFactory[factories.size()]);
}
public SaslClient createSaslClient(final String[] mechanisms, final String authorizationId, final String protocol, final String serverName, final Map props, final CallbackHandler cbh) throws SaslException {
for (SaslClientFactory factory : factories) {
if (factory != null) {
final SaslClient saslClient = factory.createSaslClient(mechanisms, authorizationId, protocol, serverName, props, cbh);
if (saslClient != null) {
return saslClient;
}
}
}
return null;
}
public String[] getMechanismNames(final Map props) {
final LinkedHashSet names = new LinkedHashSet();
for (SaslClientFactory factory : factories) {
Collections.addAll(names, factory.getMechanismNames(props));
}
return names.toArray(new String[names.size()]);
}
}