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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.common.impl.AbstractSAMLObject;
28  import org.opensaml.saml2.core.AuthnContextClassRef;
29  import org.opensaml.saml2.core.AuthnContextComparisonTypeEnumeration;
30  import org.opensaml.saml2.core.AuthnContextDeclRef;
31  import org.opensaml.saml2.core.RequestedAuthnContext;
32  import org.opensaml.xml.XMLObject;
33  import org.opensaml.xml.util.XMLObjectChildrenList;
34  
35  /**
36   * Concrete implementation of {@link org.opensaml.saml2.core.RequestedAuthnContext}.
37   */
38  public class RequestedAuthnContextImpl extends AbstractSAMLObject implements RequestedAuthnContext {
39  
40      /** AuthnContextClassRef child elements. */
41      private final XMLObjectChildrenList<AuthnContextClassRef> authnContextClassRefs;
42  
43      /** AuthnContextDeclRef child elements. */
44      private final XMLObjectChildrenList<AuthnContextDeclRef> authnContextDeclRefs;
45  
46      /** Comparison attribute. */
47      private AuthnContextComparisonTypeEnumeration comparison;
48  
49      /**
50       * Constructor.
51       * 
52       * @param namespaceURI the namespace the element is in
53       * @param elementLocalName the local name of the XML element this Object represents
54       * @param namespacePrefix the prefix for the given namespace
55       */
56      protected RequestedAuthnContextImpl(String namespaceURI, String elementLocalName, String namespacePrefix) {
57          super(namespaceURI, elementLocalName, namespacePrefix);
58          authnContextClassRefs = new XMLObjectChildrenList<AuthnContextClassRef>(this);
59          authnContextDeclRefs = new XMLObjectChildrenList<AuthnContextDeclRef>(this);
60      }
61  
62      /** {@inheritDoc} */
63      public AuthnContextComparisonTypeEnumeration getComparison() {
64          return this.comparison;
65      }
66  
67      /** {@inheritDoc} */
68      public void setComparison(AuthnContextComparisonTypeEnumeration newComparison) {
69          this.comparison = prepareForAssignment(this.comparison, newComparison);
70      }
71  
72      /** {@inheritDoc} */
73      public List<AuthnContextClassRef> getAuthnContextClassRefs() {
74          return this.authnContextClassRefs;
75      }
76  
77      /** {@inheritDoc} */
78      public List<AuthnContextDeclRef> getAuthnContextDeclRefs() {
79          return this.authnContextDeclRefs;
80      }
81  
82      /** {@inheritDoc} */
83      public List<XMLObject> getOrderedChildren() {
84          ArrayList<XMLObject> children = new ArrayList<XMLObject>();
85  
86          children.addAll(authnContextClassRefs);
87          children.addAll(authnContextDeclRefs);
88  
89          if (children.size() == 0) {
90              return null;
91          }
92  
93          return Collections.unmodifiableList(children);
94      }
95  }