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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.Subject;
20  import org.opensaml.xml.validation.ValidationException;
21  import org.opensaml.xml.validation.Validator;
22  
23  /**
24   * Checks {@link org.opensaml.saml1.core.Subject} for Schema compliance.
25   */
26  public class SubjectSchemaValidator implements Validator<Subject> {
27  
28      /** {@inheritDoc} */
29      public void validate(Subject subject) throws ValidationException {
30          validateNameIdentifierSubjectConfirmation(subject);
31      }
32  
33      /**
34       * Validates that the subject has either a name identifier or subject confirmation
35       * 
36       * @param subject subject to validate
37       * 
38       * @throws ValidationException thrown if the subject has neither a name identifier or subject confirmation
39       */
40      protected void validateNameIdentifierSubjectConfirmation(Subject subject) throws ValidationException {
41          if (subject.getNameIdentifier() == null && subject.getSubjectConfirmation() == null) {
42              throw new ValidationException("Either a NameIdentifier or SubjectConfirmation should be present");
43          }
44      }
45  }