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1   /*
2    * Copyright 2008 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.xml.schema.validator;
18  
19  import org.opensaml.xml.schema.XSDateTime;
20  import org.opensaml.xml.validation.ValidationException;
21  import org.opensaml.xml.validation.Validator;
22  
23  /**
24   * Checks {@link org.opensaml.xml.schema.XSDateTime} for Schema compliance. 
25   * 
26   * @param <T> the type to be validated
27   */
28  public class XSDateTimeSchemaValidator<T extends XSDateTime> implements Validator<T> {
29      /** Flag specifying whether empty element content should be allowed. */
30      private boolean allowEmptyContent;
31      
32      /**
33       * Constructor.
34       *
35       * @param allowEmptyContent flag indicated whether empty content should be allowed
36       */
37      public XSDateTimeSchemaValidator(boolean allowEmptyContent) {
38          this.allowEmptyContent = allowEmptyContent;
39      }
40  
41      /** Constructor. */
42      public XSDateTimeSchemaValidator(){
43          allowEmptyContent = false;
44      }
45  
46      /**
47       * Get the flag which determines whether empty content should be allowed.
48       * 
49       * @return true if empty content should be allowed, false otherwise
50       */
51      protected boolean isAllowEmptyContent() {
52          return allowEmptyContent;
53      }
54  
55      /** {@inheritDoc} */
56      public void validate(T xmlObject) throws ValidationException {
57          validateDateTimeContent(xmlObject);
58      }
59      
60      /**
61       * Validates the content of the XSDateTime object.
62       * 
63       * @param xmlObject the object to evaluate
64       * @throws ValidationException thrown if the content of the object is invalid
65       */
66      protected void validateDateTimeContent(T xmlObject) throws ValidationException{
67          if(!allowEmptyContent && xmlObject.getValue() == null){
68              throw new ValidationException("dateTime content may not be empty");
69          }
70      }
71  
72  }