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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.MarshallingException;
21  import org.opensaml.xml.signature.Transform;
22  import org.w3c.dom.Element;
23  
24  /**
25   * A thread-safe Marshaller for {@link org.opensaml.xml.signature.Transform} objects.
26   */
27  public class TransformMarshaller extends AbstractXMLSignatureMarshaller {
28  
29      /** {@inheritDoc} */
30      protected void marshallAttributes(XMLObject xmlObject, Element domElement) throws MarshallingException {
31          Transform transform = (Transform) xmlObject;
32  
33          if (transform.getAlgorithm() != null) {
34              domElement.setAttributeNS(null, Transform.ALGORITHM_ATTRIB_NAME, transform.getAlgorithm());
35          }
36      }
37  
38  }