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1   /*
2    * Copyright 2008 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 edu.internet2.middleware.shibboleth.common.config.security;
18  
19  import java.util.List;
20  
21  import org.opensaml.xml.security.trust.ChainingTrustEngine;
22  import org.opensaml.xml.signature.SignatureTrustEngine;
23  import org.opensaml.xml.signature.impl.ChainingSignatureTrustEngine;
24  import org.springframework.beans.factory.config.AbstractFactoryBean;
25  
26  /**
27   * Spring factory bean used to created {@link ChainingSignatureTrustEngine}s.
28   */
29  public class ChainingSignatureTrustEngineFactoryBean extends AbstractFactoryBean {
30  
31      /** List of chain members. */
32      private List<SignatureTrustEngine> chain;
33  
34      /**
35       * Gets the chain member list.
36       * 
37       * @return chain member list
38       */
39      public List<SignatureTrustEngine> getChain() {
40          return chain;
41      }
42  
43      /**
44       * Sets the chain member list.
45       * 
46       * @param newChain the new chain member list
47       */
48      public void setChain(List<SignatureTrustEngine> newChain) {
49          chain = newChain;
50      }
51  
52      /** {@inheritDoc} */
53      public Class getObjectType() {
54          return ChainingTrustEngine.class;
55      }
56  
57      /** {@inheritDoc} */
58      @SuppressWarnings("unchecked")
59      protected Object createInstance() throws Exception {
60          ChainingSignatureTrustEngine engine = new ChainingSignatureTrustEngine();
61          if (chain != null) {
62              engine.getChain().addAll(chain);
63          }
64          return engine;
65      }
66  }