PolicyResolver


1   /*
2    * Copyright (C) The Spice Group. All rights reserved.
3    *
4    * This software is published under the terms of the Spice
5    * Software License version 1.1, a copy of which has been included
6    * with this distribution in the LICENSE.txt file.
7    */
8   package org.codehaus.loom.xmlpolicy.builder;
9   
10  import java.net.URL  ;
11  import java.security.Policy  ;
12  import java.util.Map  ;
13  
14  /**
15   * This is the interface via which elements of Policy are resolved.
16   * For example it is possible for the Policy file to use abstract URLs
17   * such as "sar:/SAR-INF/lib/" which need to be mapped to a concrete
18   * URL. It is also necessary for the target values of permissions
19   * to be "resolved" using a pseuedo expression language.
20   *
21   * @author Peter Donald
22   * @version $Revision: 1.1 $ $Date: 2004/04/19 22:20:25 $
23   */
24  public interface PolicyResolver
25  {
26      /**
27       * Resolve a location to a URL.
28       *
29       * @param location the location
30       * @return the URL
31       * @throws Exception if unable to resolve URL
32       */
33      URL   resolveLocation( String   location )
34          throws Exception  ;
35  
36      /**
37       * Create a Policy object from a grant map.
38       *
39       * @param grants the grants map
40       * @return the Policy object
41       */
42      Policy   createPolicy( Map   grants )
43          throws Exception  ;
44  }
45

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