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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  package org.opensaml.saml1.core.impl;
18  
19  import java.util.ArrayList;
20  import java.util.Collections;
21  import java.util.List;
22  
23  import org.opensaml.common.impl.AbstractSAMLObject;
24  import org.opensaml.saml1.core.Audience;
25  import org.opensaml.saml1.core.AudienceRestrictionCondition;
26  import org.opensaml.xml.XMLObject;
27  import org.opensaml.xml.util.XMLObjectChildrenList;
28  
29  /**
30   * Concrete implementation of the org.opensaml.saml1.core.AudienceRestrictionCondition
31   */
32  public class AudienceRestrictionConditionImpl extends AbstractSAMLObject implements AudienceRestrictionCondition {
33  
34      /** Audiences */
35      private final XMLObjectChildrenList<Audience> audiences;
36  
37      /**
38       * Constructor.
39       * 
40       * @param namespaceURI the namespace the element is in
41       * @param elementLocalName the local name of the XML element this Object represents
42       * @param namespacePrefix the prefix for the given namespace
43       */
44      protected AudienceRestrictionConditionImpl(String namespaceURI, String elementLocalName, String namespacePrefix) {
45          super(namespaceURI, elementLocalName, namespacePrefix);
46          audiences = new XMLObjectChildrenList<Audience>(this);
47      }
48  
49      /** {@inheritDoc} */
50      public List<Audience> getAudiences() {
51          return audiences;
52      }
53  
54      /** {@inheritDoc} */
55      public List<XMLObject> getOrderedChildren() {
56  
57          if (audiences.size() == 0) {
58              return null;
59          }
60          ArrayList<XMLObject> children = new ArrayList<XMLObject>(audiences);
61          return Collections.unmodifiableList(children);
62      }
63  }