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1   /**
2    * This file Copyright (c) 2011-2018 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.cms.filters;
35  
36  import javax.servlet.FilterConfig;
37  import javax.servlet.ServletException;
38  
39  /**
40   * The FilterManager implementation is responsible for providing a MgnlFilterDispatcher which delegates to one single
41   * filter which is either the filter chain configured in the config workspace or the primitive system UI when
42   * a system/module installation or update is needed.
43   *
44   * @see MgnlMainFilter
45   * @see info.magnolia.module.ui.InstallationFilter
46   */
47  public interface FilterManager {
48  
49      /**
50       * Location in the config workspace where the Magnolia filter chain is configured.
51       */
52      public static final String SERVER_FILTERS = "/server/filters";
53  
54      void init(FilterConfig filterConfig) throws ServletException;
55  
56      MgnlFilterDispatcher getFilterDispatcher();
57  
58      void startUsingConfiguredFilters();
59  
60      void destroy();
61  }