001/* 
002    Licensed to the Apache Software Foundation (ASF) under one
003    or more contributor license agreements.  See the NOTICE file
004    distributed with this work for additional information
005    regarding copyright ownership.  The ASF licenses this file
006    to you under the Apache License, Version 2.0 (the
007    "License"); you may not use this file except in compliance
008    with the License.  You may obtain a copy of the License at
009
010       http://www.apache.org/licenses/LICENSE-2.0
011
012    Unless required by applicable law or agreed to in writing,
013    software distributed under the License is distributed on an
014    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015    KIND, either express or implied.  See the License for the
016    specific language governing permissions and limitations
017    under the License.  
018 */
019package org.apache.wiki.auth.login;
020
021import javax.security.auth.callback.Callback;
022
023import org.apache.wiki.WikiEngine;
024
025/**
026 * Callback for requesting and supplying the WikiEngine object required by a
027 * LoginModule. This Callback is used by LoginModules needing access to the
028 * external authorizer or group manager.
029 *
030 * @since 2.5
031 */
032public class WikiEngineCallback implements Callback
033{
034
035    private WikiEngine m_engine;
036
037    /**
038     * Sets the engine object. CallbackHandler objects call this method.
039     * @param engine the engine
040     */
041    public void setEngine( WikiEngine engine )
042    {
043        m_engine = engine;
044    }
045
046    /**
047     * Returns the engine. LoginModules call this method after a
048     * CallbackHandler sets the engine.
049     * @return the engine
050     */
051    public WikiEngine getEngine()
052    {
053        return m_engine;
054    }
055}