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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.Attribute;
20  import org.opensaml.xml.validation.ValidationException;
21  
22  /**
23   * Checks {@link org.opensaml.saml1.core.Attribute} for Schema compliance.
24   */
25  public class AttributeSchemaValidator extends AttributeDesignatorSchemaValidator<Attribute> {
26  
27      /** {@inheritDoc} */
28      public void validate(Attribute attribute) throws ValidationException {
29          super.validate(attribute);
30  
31          validateAttributeValue(attribute);
32      }
33  
34      /**
35       * Validates that the attribute has at least one attribute value.
36       * 
37       * @param attribute attribute to validate
38       * 
39       * @throws ValidationException thrown if the attribute does not have any values
40       */
41      protected void validateAttributeValue(Attribute attribute) throws ValidationException {
42          if (attribute.getAttributeValues().size() == 0) {
43              throw new ValidationException("No AttributeValue elements present");
44          }
45      }
46  }