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1   /*
2    * Copyright [2006] [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.impl;
18  
19  import org.opensaml.xml.XMLObject;
20  import org.opensaml.xml.encryption.CarriedKeyName;
21  import org.opensaml.xml.encryption.EncryptedKey;
22  import org.opensaml.xml.encryption.ReferenceList;
23  import org.opensaml.xml.io.UnmarshallingException;
24  import org.w3c.dom.Attr;
25  
26  /**
27   * A thread-safe Unmarshaller for {@link org.opensaml.xml.encryption.EncryptedKey} objects.
28   */
29  public class EncryptedKeyUnmarshaller extends EncryptedTypeUnmarshaller {
30  
31      /** {@inheritDoc} */
32      protected void processAttribute(XMLObject xmlObject, Attr attribute) throws UnmarshallingException {
33          EncryptedKey ek = (EncryptedKey) xmlObject;
34  
35          if (attribute.getLocalName().equals(EncryptedKey.RECIPIENT_ATTRIB_NAME)) {
36              ek.setRecipient(attribute.getValue());
37          } else {
38              super.processAttribute(xmlObject, attribute);
39          }
40      }
41  
42      /** {@inheritDoc} */
43      protected void processChildElement(XMLObject parentXMLObject, XMLObject childXMLObject)
44              throws UnmarshallingException {
45          EncryptedKey ek = (EncryptedKey) parentXMLObject;
46  
47          if (childXMLObject instanceof ReferenceList) {
48              ek.setReferenceList((ReferenceList) childXMLObject);
49          } else if (childXMLObject instanceof CarriedKeyName) {
50              ek.setCarriedKeyName((CarriedKeyName) childXMLObject);
51          } else {
52              super.processChildElement(parentXMLObject, childXMLObject);
53          }
54      }
55  
56  }