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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.metadata.validator;
22  
23  import org.opensaml.saml2.metadata.AttributeConsumingService;
24  import org.opensaml.xml.validation.ValidationException;
25  import org.opensaml.xml.validation.Validator;
26  
27  /**
28   * Checks {@link org.opensaml.saml2.metadata.AttributeConsumingService} for Schema compliance.
29   */
30  public class AttributeConsumingServiceSchemaValidator implements Validator<AttributeConsumingService> {
31  
32      /** Constructor */
33      public AttributeConsumingServiceSchemaValidator() {
34  
35      }
36  
37      /** {@inheritDoc} */
38      public void validate(AttributeConsumingService attributeConsumingService) throws ValidationException {
39          validateIndex(attributeConsumingService);
40          validateServiceNames(attributeConsumingService);
41          validateRequestedAttributes(attributeConsumingService);
42      }
43  
44      /**
45       * Checks that Index is positive.
46       * 
47       * @param attributeConsumingService
48       * @throws ValidationException
49       */
50      protected void validateIndex(AttributeConsumingService attributeConsumingService) throws ValidationException {
51          if (attributeConsumingService.getIndex() < 0) {
52              throw new ValidationException("Index must be positive integer");
53          }
54      }
55  
56      /**
57       * Checks that one or more Service Names are present.
58       * 
59       * @param attributeConsumingService
60       * @throws ValidationException
61       */
62      protected void validateServiceNames(AttributeConsumingService attributeConsumingService) throws ValidationException {
63          if (attributeConsumingService.getNames() == null || attributeConsumingService.getNames().size() == 0) {
64              throw new ValidationException("Must have one or more Service Names.");
65          }
66      }
67  
68      /**
69       * Checks that one or more Requested Attributes are present.
70       * 
71       * @param attributeConsumingService
72       * @throws ValidationException
73       */
74      protected void validateRequestedAttributes(AttributeConsumingService attributeConsumingService)
75              throws ValidationException {
76          if (attributeConsumingService.getRequestAttributes() == null
77                  || attributeConsumingService.getRequestAttributes().size() == 0) {
78              throw new ValidationException("Must have one or more Requested Attributes.");
79          }
80      }
81  }