1   /* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
2    *
3    * Licensed under the Apache License, Version 2.0 (the "License");
4    * you may not use this file except in compliance with the License.
5    * You may obtain a copy of the License at
6    *
7    *     http://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  
16  package org.acegisecurity.vote;
17  
18  import org.acegisecurity.Authentication;
19  import org.acegisecurity.ConfigAttribute;
20  import org.acegisecurity.ConfigAttributeDefinition;
21  
22  import java.util.Iterator;
23  
24  
25  /**
26   * Implementation of an {@link AccessDecisionVoter} for unit testing.<p>If the {@link
27   * ConfigAttribute#getAttribute()} has a value of <code>DENY_FOR_SURE</code>, the voter will vote to deny access.</p>
28   *  <p>All comparisons are case sensitive.</p>
29   *
30   * @author Ben Alex
31   * @version $Id: DenyVoter.java 1496 2006-05-23 13:38:33Z benalex $
32   */
33  public class DenyVoter implements AccessDecisionVoter {
34      //~ Methods ========================================================================================================
35  
36      public boolean supports(ConfigAttribute attribute) {
37          if ("DENY_FOR_SURE".equals(attribute.getAttribute())) {
38              return true;
39          } else {
40              return false;
41          }
42      }
43  
44      public boolean supports(Class clazz) {
45          return true;
46      }
47  
48      public int vote(Authentication authentication, Object object, ConfigAttributeDefinition config) {
49          Iterator iter = config.getConfigAttributes();
50  
51          while (iter.hasNext()) {
52              ConfigAttribute attribute = (ConfigAttribute) iter.next();
53  
54              if (this.supports(attribute)) {
55                  return ACCESS_DENIED;
56              }
57          }
58  
59          return ACCESS_ABSTAIN;
60      }
61  }