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/*
 *
 * Copyright (c) 2006 The Apache Software Foundation
 *
 * 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.apache.qpid.server.security.auth;

import org.apache.commons.configuration.Configuration;

import javax.security.auth.callback.CallbackHandler;
import javax.security.sasl.SaslServerFactory;
import java.util.Map;

public interface AuthenticationProviderInitialiser
{
    /**
     * @return the mechanism's name. This will be used in the list of mechanism's advertised to the
     * client.
     */
    String getMechanismName();

    /**
     * Initialise the authentication provider.
     * @param baseConfigPath the path in the config file that points to any config options for this provider. Each
     * provider can have its own set of configuration options
     * @param configuration the Apache Commons Configuration instance used to configure this provider
     * @param principalDatabases the set of principal databases that are available
     */
    void initialise(String baseConfigPath, Configuration configuration,
                    Map<String, PrincipalDatabase> principalDatabases) throws Exception;

    /**
     * @return the callback handler that should be used to process authentication requests for this mechanism. This will
     * be called after initialise and will be stored by the authentication manager. The callback handler <b>must</b> be
     * fully threadsafe.
     */
    CallbackHandler getCallbackHandler();

    /**
     * Get the properties that must be passed in to the Sasl.createSaslServer method.
     * @return the properties, which may be null
     */
    Map<String, ?> getProperties();

    /**
     * Get the class that is the server factory. This is used for the JCA registration.
     * @return null if no JCA registration is required, otherwise return the class
     * that will be used in JCA registration
     */
    Class<? extends SaslServerFactory> getServerFactoryClassForJCARegistration();
}