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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.Subject;
28  import org.opensaml.saml2.core.SubjectQuery;
29  import org.opensaml.xml.XMLObject;
30  
31  /**
32   * Concrete implementation of {@link org.opensaml.saml2.core.SubjectQuery}.
33   */
34  public abstract class SubjectQueryImpl extends RequestAbstractTypeImpl implements SubjectQuery {
35  
36      /** Subject child element. */
37      private Subject subject;
38  
39      /**
40       * Constructor.
41       * 
42       * @param namespaceURI the namespace the element is in
43       * @param elementLocalName the local name of the XML element this Object represents
44       * @param namespacePrefix the prefix for the given namespace
45       */
46      protected SubjectQueryImpl(String namespaceURI, String elementLocalName, String namespacePrefix) {
47          super(namespaceURI, elementLocalName, namespacePrefix);
48      }
49  
50      /** {@inheritDoc} */
51      public Subject getSubject() {
52          return this.subject;
53      }
54  
55      /**
56       * {@inheritDoc}
57       */
58      public void setSubject(Subject newSubject) {
59          this.subject = prepareForAssignment(this.subject, newSubject);
60      }
61  
62      /** {@inheritDoc} */
63      public List<XMLObject> getOrderedChildren() {
64          ArrayList<XMLObject> children = new ArrayList<XMLObject>();
65  
66          if (super.getOrderedChildren() != null) {
67              children.addAll(super.getOrderedChildren());
68          }
69          if (subject != null) {
70              children.add(subject);
71          }
72  
73          if (children.size() == 0) {
74              return null;
75          }
76  
77          return Collections.unmodifiableList(children);
78      }
79  
80  }