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1   /*
2    * Copyright [2005] [University Corporation for Advanced Internet Development, Inc.]
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  /**
18   * 
19   */
20  
21  package org.opensaml.saml2.core.validator;
22  
23  import org.opensaml.saml2.core.AuthzDecisionStatement;
24  import org.opensaml.xml.util.DatatypeHelper;
25  import org.opensaml.xml.validation.ValidationException;
26  import org.opensaml.xml.validation.Validator;
27  
28  /**
29   * Checks {@link org.opensaml.saml2.core.AuthzDecisionStatement} for Schema compliance.
30   */
31  public class AuthzDecisionStatementSchemaValidator implements Validator<AuthzDecisionStatement> {
32  
33      /** Constructor */
34      public AuthzDecisionStatementSchemaValidator() {
35  
36      }
37  
38      /** {@inheritDoc} */
39      public void validate(AuthzDecisionStatement authzDS) throws ValidationException {
40          validateResource(authzDS);
41          validateDecision(authzDS);
42          validateActions(authzDS);
43      }
44  
45      /**
46       * Checks that the Resource attribute is present.
47       * 
48       * @param authzDS
49       * @throws ValidationException
50       */
51      protected void validateResource(AuthzDecisionStatement authzDS) throws ValidationException {
52          if (DatatypeHelper.isEmpty(authzDS.getResource())) {
53              throw new ValidationException("Resource required");
54          }
55      }
56  
57      /**
58       * Checks that the Decision attribute is present.
59       * 
60       * @param authzDS
61       * @throws ValidationException
62       */
63      protected void validateDecision(AuthzDecisionStatement authzDS) throws ValidationException {
64          if (authzDS.getDecision() == null) {
65              throw new ValidationException("Decision required");
66          }
67      }
68  
69      /**
70       * Checks that one or more Action is present.
71       * 
72       * @param authzDS
73       * @throws ValidationException
74       */
75      protected void validateActions(AuthzDecisionStatement authzDS) throws ValidationException {
76          if (authzDS.getActions() == null || authzDS.getActions().size() < 1) {
77              throw new ValidationException("One or more Actions required");
78          }
79      }
80  }