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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.AgreementMethod;
21  import org.opensaml.xml.encryption.KANonce;
22  import org.opensaml.xml.encryption.OriginatorKeyInfo;
23  import org.opensaml.xml.encryption.RecipientKeyInfo;
24  import org.opensaml.xml.io.UnmarshallingException;
25  import org.w3c.dom.Attr;
26  
27  /**
28   * A thread-safe Unmarshaller for {@link org.opensaml.xml.encryption.AgreementMethod} objects.
29   */
30  public class AgreementMethodUnmarshaller extends AbstractXMLEncryptionUnmarshaller {
31  
32      /** {@inheritDoc} */
33      protected void processAttribute(XMLObject xmlObject, Attr attribute) throws UnmarshallingException {
34          AgreementMethod am = (AgreementMethod) xmlObject;
35  
36          if (attribute.getLocalName().equals(AgreementMethod.ALGORITHM_ATTRIBUTE_NAME)) {
37              am.setAlgorithm(attribute.getValue());
38          } else {
39              super.processAttribute(xmlObject, attribute);
40          }
41      }
42  
43      /** {@inheritDoc} */
44      protected void processChildElement(XMLObject parentXMLObject, XMLObject childXMLObject)
45              throws UnmarshallingException {
46          AgreementMethod am = (AgreementMethod) parentXMLObject;
47  
48          if (childXMLObject instanceof KANonce) {
49              am.setKANonce((KANonce) childXMLObject);
50          } else if (childXMLObject instanceof OriginatorKeyInfo) {
51              am.setOriginatorKeyInfo((OriginatorKeyInfo) childXMLObject);
52          } else if (childXMLObject instanceof RecipientKeyInfo) {
53              am.setRecipientKeyInfo((RecipientKeyInfo) childXMLObject);
54          } else {
55              am.getUnknownXMLObjects().add(childXMLObject);
56          }
57      }
58  
59  }