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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.signature.impl;
18  
19  import org.opensaml.xml.XMLObject;
20  import org.opensaml.xml.io.UnmarshallingException;
21  import org.opensaml.xml.signature.DigestMethod;
22  import org.w3c.dom.Attr;
23  
24  /**
25   * A thread-safe Unmarshaller for {@link org.opensaml.xml.signature.DigestMethod} objects.
26   */
27  public class DigestMethodUnmarshaller extends AbstractXMLSignatureUnmarshaller {
28  
29      /** {@inheritDoc} */
30      protected void processAttribute(XMLObject xmlObject, Attr attribute) throws UnmarshallingException {
31          DigestMethod dm = (DigestMethod) xmlObject;
32  
33          if (attribute.getLocalName().equals(DigestMethod.ALGORITHM_ATTRIB_NAME)) {
34              dm.setAlgorithm(attribute.getValue());
35          } else {
36              super.processAttribute(xmlObject, attribute);
37          }
38      }
39  
40      /** {@inheritDoc} */
41      protected void processChildElement(XMLObject parentXMLObject, XMLObject childXMLObject)
42              throws UnmarshallingException {
43          DigestMethod dm = (DigestMethod) parentXMLObject;
44          dm.getUnknownXMLObjects().add(childXMLObject);
45      }
46  
47  }