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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements. See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership. The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License. You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied. See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.wss4j.stax.impl.processor.output;
20  
21  import javax.xml.namespace.QName;
22  import javax.xml.stream.XMLStreamException;
23  
24  import org.apache.wss4j.stax.ext.WSSConstants;
25  import org.apache.wss4j.stax.ext.WSSSecurityProperties;
26  import org.apache.wss4j.stax.utils.WSSUtils;
27  import org.apache.xml.security.exceptions.XMLSecurityException;
28  import org.apache.xml.security.stax.ext.AbstractOutputProcessor;
29  import org.apache.xml.security.stax.ext.OutputProcessorChain;
30  import org.apache.xml.security.stax.ext.stax.XMLSecEvent;
31  
32  public class ReferenceListOutputProcessor extends AbstractOutputProcessor {
33  
34      public ReferenceListOutputProcessor() throws XMLSecurityException {
35          super();
36      }
37  
38      @Override
39      public void processEvent(XMLSecEvent xmlSecEvent, OutputProcessorChain outputProcessorChain)
40              throws XMLStreamException, XMLSecurityException {
41          outputProcessorChain.processEvent(xmlSecEvent);
42  
43          if (WSSUtils.isSecurityHeaderElement(xmlSecEvent, ((WSSSecurityProperties) getSecurityProperties()).getActor())) {
44  
45              final QName headerElementName = WSSConstants.TAG_xenc_ReferenceList;
46              OutputProcessorUtils.updateSecurityHeaderOrder(outputProcessorChain, headerElementName, getAction(), false);
47  
48              OutputProcessorChain subOutputProcessorChain = outputProcessorChain.createSubChain(this);
49              WSSUtils.createReferenceListStructureForEncryption(this, subOutputProcessorChain);
50  
51              outputProcessorChain.removeProcessor(this);
52          }
53      }
54  }