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1   /* This file is part of COPAL (COntext Provisioning for All).
2    *
3    * COPAL is a part of SM4All (Smart hoMes for All) project.
4    *
5    * COPAL is free software: you can redistribute it and/or modify
6    * it under the terms of the GNU Lesser General Public License as published by
7    * the Free Software Foundation, either version 3 of the License, or
8    * (at your option) any later version.
9    *
10   * COPAL is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   * GNU Lesser General Public License for more details.
14   *
15   * You should have received a copy of the GNU Lesser General Public License
16   * along with COPAL. If not, see <http://www.gnu.org/licenses/>.
17   */
18  package at.ac.tuwien.infosys.sm4all.copal.api.service;
19  
20  import at.ac.tuwien.infosys.sm4all.copal.api.event.ContextEvent;
21  import at.ac.tuwien.infosys.sm4all.copal.api.listener.ContextListener;
22  import at.ac.tuwien.infosys.sm4all.copal.api.security.AuthorizationMethod;
23  
24  /**
25   * Interface which COPAL provides to add additional {@link AuthorizationMethod}
26   * s.
27   * 
28   * @author sanjin
29   */
30  public interface ContextSecurityManager {
31  
32      /**
33       * Add specified additional {@link AuthorizationMethod} to COPAL. If an
34       * {@link AuthorizationMethod} with same name is already registered, the
35       * specified {@link AuthorizationMethod} will not be added.
36       * 
37       * @param method the {@link AuthorizationMethod}.
38       */
39      void add(AuthorizationMethod method);
40  
41      /**
42       * Returns if specified {@link ContextListener} is allowed to receive
43       * specified {@link ContextEvent}.
44       * 
45       * @param listener the {@link ContextListener}.
46       * @param event the {@link ContextEvent}.
47       * @return if specified {@link ContextListener} is allowed to receive
48       *         specified {@link ContextEvent}.
49       */
50      boolean authorized(ContextListener listener, ContextEvent event);
51  }