org.wildfly.security.http.util.SortedServerMechanismFactory Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
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*/
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}.
*
* @author Darran Lofthouse
*/
public final class SortedServerMechanismFactory implements HttpServerAuthenticationMechanismFactory {
private final HttpServerAuthenticationMechanismFactory delegate;
private final Comparator mechanismNameComparator;
public SortedServerMechanismFactory(final HttpServerAuthenticationMechanismFactory delegate, final Comparator mechanismNameComparator) {
this.delegate = checkNotNullParam("delegate", delegate);
this.mechanismNameComparator = checkNotNullParam("mechanismNameComparator", mechanismNameComparator);
}
@Override
public String[] getMechanismNames(Map properties) {
String[] mechanismNames = delegate.getMechanismNames(properties);
Arrays.sort(mechanismNames, mechanismNameComparator);
return mechanismNames;
}
@Override
public HttpServerAuthenticationMechanism createAuthenticationMechanism(String mechanismName, Map properties,
CallbackHandler callbackHandler) throws HttpAuthenticationException {
return delegate.createAuthenticationMechanism(mechanismName, properties, callbackHandler);
}
}