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1   /*
2    * Copyright [2005] [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  /**
18   * 
19   */
20  
21  package org.opensaml.saml2.core.impl;
22  
23  import java.util.ArrayList;
24  import java.util.Collections;
25  import java.util.List;
26  
27  import org.opensaml.saml2.core.Artifact;
28  import org.opensaml.saml2.core.ArtifactResolve;
29  import org.opensaml.xml.XMLObject;
30  
31  /**
32   * Concrete implementation of {@link org.opensaml.saml2.core.ArtifactResolve}.
33   */
34  public class ArtifactResolveImpl extends RequestAbstractTypeImpl implements ArtifactResolve {
35  
36      /** Artifact child element. */
37      private Artifact artifact;
38  
39      /**
40       * Constructor.
41       * 
42       * @param namespaceURI namespace uri
43       * @param elementLocalName element name
44       * @param namespacePrefix namespace prefix
45       */
46      protected ArtifactResolveImpl(String namespaceURI, String elementLocalName, String namespacePrefix) {
47          super(namespaceURI, elementLocalName, namespacePrefix);
48      }
49  
50      /** {@inheritDoc} */
51      public Artifact getArtifact() {
52          return this.artifact;
53      }
54  
55      /** {@inheritDoc} */
56      public void setArtifact(Artifact newArtifact) {
57          this.artifact = prepareForAssignment(this.artifact, newArtifact);
58      }
59  
60      /** {@inheritDoc} */
61      public List<XMLObject> getOrderedChildren() {
62          ArrayList<XMLObject> children = new ArrayList<XMLObject>();
63  
64          if (super.getOrderedChildren() != null) {
65              children.addAll(super.getOrderedChildren());
66          }
67  
68          if (artifact != null) {
69              children.add(artifact);
70          }
71  
72          if (children.size() == 0) {
73              return null;
74          }
75  
76          return Collections.unmodifiableList(children);
77      }
78  }