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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2016 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.auth.callback;

import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;

import org.wildfly.security.auth.server.MechanismInformation;

/**
 * A {@link Callback} to pass the information about the current mechanism to the {@link CallbackHandler}.
 *
 * As an informational {@code Callback} it is optional for the {@code CallbackHandler} to handle this.
 *
 * @author Darran Lofthouse
 */
public class MechanismInformationCallback implements ExtendedCallback {

    private final MechanismInformation mechanismInformation;

    /**
     * Construct a new instance with the appropriate mechanism information.
     *
     * @param mechanismInformation the mechanism information for the current authentication attempt.
     */
    public MechanismInformationCallback(final MechanismInformation mechanismInformation) {
        this.mechanismInformation = mechanismInformation;
    }

    /**
     * Get the type of the mechanism information for the current authentication attempt.
     *
     * @return the type of the mechanism for the current authentication.
     */
    public MechanismInformation getMechanismInformation() {
        return mechanismInformation;
    }

}