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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.saml1.core.validator;
22  
23  import org.opensaml.saml1.core.AuthorizationDecisionStatement;
24  import org.opensaml.xml.util.DatatypeHelper;
25  import org.opensaml.xml.validation.ValidationException;
26  
27  /**
28   * Checks {@link org.opensaml.saml1.core.AuthorizationDecisionStatement} for Schema compliance.
29   */
30  public class AuthorizationDecisionStatementSchemaValidator extends SubjectStatementSchemaValidator<AuthorizationDecisionStatement> {
31  
32      /** {@inheritDoc} */
33      public void validate(AuthorizationDecisionStatement authorizationDecisionStatement) throws ValidationException {
34          super.validate(authorizationDecisionStatement);
35          
36          validateResource(authorizationDecisionStatement);
37          
38          validateDecision(authorizationDecisionStatement);
39          
40          validateActions(authorizationDecisionStatement);
41      }
42      
43      /**
44       * Check that the resource attribute is present and valid
45       * @param statement the AuthorizationDecisionStatement under question
46       * @throws ValidationException
47       */
48      protected void validateResource(AuthorizationDecisionStatement statement) throws ValidationException {
49          if (DatatypeHelper.isEmpty(statement.getResource())) {
50              throw new ValidationException("Resource attribute not present or invalid");
51          }
52       }
53      
54      /**
55       * Check that the Decision element is present
56       * @param statement the AuthorizationDecisionStatement under question
57       * @throws ValidationException
58       */
59      protected void validateDecision(AuthorizationDecisionStatement statement) throws ValidationException {
60          if (statement.getDecision() == null) {
61              throw new ValidationException("No Decision element present");
62          }
63      }
64  
65      /**
66       * Check that there is at least one Action element
67       * @param statement the AuthorizationDecisionStatement under question
68       * @throws ValidationException
69       */
70      protected void validateActions(AuthorizationDecisionStatement statement) throws ValidationException {
71          if (statement.getActions().size() == 0) {
72              throw new ValidationException("No Action elements present");
73          }
74      }
75  }