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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.SubjectStatement;
20  import org.opensaml.xml.validation.ValidationException;
21  import org.opensaml.xml.validation.Validator;
22  
23  /**
24   * Checks {@link org.opensaml.saml1.core.SubjectStatement} for Schema compliance.
25   */
26  public class SubjectStatementSchemaValidator<SubjectStatementType extends SubjectStatement> implements
27          Validator<SubjectStatementType> {
28  
29      /** {@inheritDoc} */
30      public void validate(SubjectStatementType subjectStatement) throws ValidationException {
31          validateSubject(subjectStatement);
32      }
33  
34      /**
35       * Validates that the statement has a subject.
36       * 
37       * @param subjectStatement statement to validate
38       * 
39       * @throws ValidationException thrown if the statement does not have a subject
40       */
41      protected void validateSubject(SubjectStatementType subjectStatement) throws ValidationException {
42          if (subjectStatement.getSubject() == null) {
43              throw new ValidationException("No Subject present");
44          }
45      }
46  }