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1   /*
2    * Copyright [2007] [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.encryption.validator;
18  
19  import org.opensaml.xml.encryption.EncryptionProperties;
20  import org.opensaml.xml.validation.ValidationException;
21  import org.opensaml.xml.validation.Validator;
22  
23  /**
24   * Checks {@link org.opensaml.xml.encryption.EncryptionProperties} for Schema compliance. 
25   */
26  public class EncryptionPropertiesSchemaValidator implements Validator<EncryptionProperties> {
27  
28      /** {@inheritDoc} */
29      public void validate(EncryptionProperties xmlObject) throws ValidationException {
30          validateTransforms(xmlObject);
31      }
32  
33      /**
34       * Validate the encryption properties list.
35       * 
36       * @param xmlObject the object to validate
37       * @throws ValidationException  thrown if the object is invalid
38       */
39      protected void validateTransforms(EncryptionProperties xmlObject) throws ValidationException {
40          if (xmlObject.getEncryptionProperties().isEmpty()) {
41              throw new ValidationException("No EncryptionProperty children were present in the EncryptionProperties object");
42          }
43      }
44  
45  }