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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.Audience;
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.Audience} for Schema compliance.
30   */
31  public class AudienceSchemaValidator implements Validator<Audience> {
32  
33      /** Constructor */
34      public AudienceSchemaValidator() {
35  
36      }
37  
38      /** {@inheritDoc} */
39      public void validate(Audience audience) throws ValidationException {
40          validateAudienceURI(audience);
41      }
42  
43      /**
44       * Checks that the AudienceURI is present.
45       * 
46       * @param audience
47       * @throws ValidationException
48       */
49      protected void validateAudienceURI(Audience audience) throws ValidationException {
50          if (DatatypeHelper.isEmpty(audience.getAudienceURI())) {
51              throw new ValidationException("AudienceURI required");
52          }
53      }
54  }