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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  package org.opensaml.saml1.core.validator;
18  
19  import org.opensaml.saml1.core.AudienceRestrictionCondition;
20  import org.opensaml.xml.validation.ValidationException;
21  import org.opensaml.xml.validation.Validator;
22  
23  /**
24   * Checks {@link org.opensaml.saml1.core.AudienceRestrictionCondition} for Schema compliance.
25   */
26  public class AudienceRestrictionConditionSchemaValidator implements Validator<AudienceRestrictionCondition> {
27  
28      /** {@inheritDoc} */
29      public void validate(AudienceRestrictionCondition audienceRestrictionCondition) throws ValidationException {
30           validateAudiences(audienceRestrictionCondition);
31      }
32      
33      /**
34       * Validates that the condition specifies at least one audience.
35       * 
36       * @param audienceRestrictionCondition condition to validate
37       * 
38       * @throws ValidationException thrown if now audience is specified in the condition
39       */
40      protected void validateAudiences(AudienceRestrictionCondition audienceRestrictionCondition) throws ValidationException{
41          if (audienceRestrictionCondition.getAudiences() == null || 
42                  audienceRestrictionCondition.getAudiences().size() == 0) {
43                  throw new ValidationException("No Audience statements present");
44              }
45      }
46  }