RestrictedOptionsModel


1   /* ***** BEGIN LICENSE BLOCK *****
2    * Version: MPL 1.1
3    * The contents of this file are subject to the Mozilla Public License Version
4    * 1.1 (the "License"); you may not use this file except in compliance with
5    * the License. You may obtain a copy of the License at
6    * http://www.mozilla.org/MPL/
7    * 
8    * Software distributed under the License is distributed on an "AS IS" basis,
9    * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10   * for the specific language governing rights and limitations under the
11   * License.
12   * 
13   * The Original Code is Riot.
14   * 
15   * The Initial Developer of the Original Code is
16   * Neteye GmbH.
17   * Portions created by the Initial Developer are Copyright (C) 2007
18   * the Initial Developer. All Rights Reserved.
19   * 
20   * Contributor(s):
21   *   Jan-Frederic Linde [jfl at neteye dot de]
22   * 
23   * ***** END LICENSE BLOCK ***** */
24  package org.riotfamily.riot.form.element;
25  
26  import java.util.ArrayList  ;
27  import java.util.Collection  ;
28  import java.util.Iterator  ;
29  
30  import org.riotfamily.forms.element.select.OptionsModel;
31  import org.riotfamily.riot.security.AccessController;
32  
33  /**
34   * @author Jan-Frederic Linde [jfl at neteye dot de]
35   * @since 6.5
36   */
37  public class RestrictedOptionsModel implements OptionsModel {
38      
39      private OptionsModel source;
40      
41      public RestrictedOptionsModel(OptionsModel source) {
42          this.source = source;
43      }
44  
45      public Collection   getOptionValues() {
46          Collection   sourceOptions = source.getOptionValues();
47          ArrayList   result = new ArrayList  ();
48          Iterator   it = sourceOptions.iterator();
49          while (it.hasNext()) {
50              Object   option = it.next();
51              if (AccessController.isGranted("use-option", option)) {
52                  result.add(option);
53              }
54          }
55          return result;
56      }
57  
58  }
59
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