/*
* JBoss, Home of Professional Open Source.
* Copyright 2017 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.http.util;
import static org.wildfly.common.Assert.checkNotNullParam;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Map;
import javax.security.auth.callback.CallbackHandler;
import org.wildfly.security.http.HttpAuthenticationException;
import org.wildfly.security.http.HttpServerAuthenticationMechanism;
import org.wildfly.security.http.HttpServerAuthenticationMechanismFactory;
/**
* A {@link HttpServerAuthenticationMechanismFactory} which sorts the mechanism names returned using the provided
* {@link Comparator<String>}.
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
public final class SortedServerMechanismFactory implements HttpServerAuthenticationMechanismFactory {
private final HttpServerAuthenticationMechanismFactory delegate;
private final Comparator<String> mechanismNameComparator;
public SortedServerMechanismFactory(final HttpServerAuthenticationMechanismFactory delegate, final Comparator<String> mechanismNameComparator) {
this.delegate = checkNotNullParam("delegate", delegate);
this.mechanismNameComparator = checkNotNullParam("mechanismNameComparator", mechanismNameComparator);
}
@Override
public String[] getMechanismNames(Map<String, ?> properties) {
String[] mechanismNames = delegate.getMechanismNames(properties);
Arrays.sort(mechanismNames, mechanismNameComparator);
return mechanismNames;
}
@Override
public HttpServerAuthenticationMechanism createAuthenticationMechanism(String mechanismName, Map<String, ?> properties,
CallbackHandler callbackHandler) throws HttpAuthenticationException {
return delegate.createAuthenticationMechanism(mechanismName, properties, callbackHandler);
}
}