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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;
18  
19  import org.apache.xml.security.signature.XMLSignature;
20  
21  /**
22   * Interface for representing the references to the content that is digitally signed.
23   * 
24   * Individual implementations of this may with to expose properties, such as the ability to 
25   * set the digest algorithm if it may vary based on runtime information.
26   */
27  public interface ContentReference {
28      
29      /**
30       * Called by the signature marshaller to allow references to be added to the signature. 
31       *
32       * @param signature the signature object
33       */
34      public void createReference(XMLSignature signature);
35  }