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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 org.opensaml.ws.wsfed.impl;
18  
19  import java.util.ArrayList;
20  import java.util.Collections;
21  import java.util.List;
22  
23  import org.opensaml.ws.wsfed.RequestedSecurityToken;
24  import org.opensaml.xml.AbstractXMLObject;
25  import org.opensaml.xml.XMLObject;
26  import org.opensaml.xml.util.XMLObjectChildrenList;
27  
28  /** Implementation of the {@link RequestedSecurityToken} object. */
29  public class RequestedSecurityTokenImpl extends AbstractXMLObject implements RequestedSecurityToken {
30  
31      /** List of all the security tokens. */
32      private final XMLObjectChildrenList<XMLObject> tokens;
33  
34      /**
35       * Constructor.
36       * 
37       * @param namespaceURI the namespace the element is in
38       * @param elementLocalName the local name of the XML element this Object represents
39       * @param namespacePrefix the prefix for the given namespace
40       */
41      public RequestedSecurityTokenImpl(String namespaceURI, String elementLocalName, String namespacePrefix) {
42          super(namespaceURI, elementLocalName, namespacePrefix);
43          tokens = new XMLObjectChildrenList<XMLObject>(this);
44      }
45  
46      /** {@inheritDoc} */
47      public List<XMLObject> getSecurityTokens() {
48          return tokens;
49      }
50  
51      /** {@inheritDoc} */
52      public List<XMLObject> getOrderedChildren() {
53          ArrayList<XMLObject> children = new ArrayList<XMLObject>(1 + tokens.size());
54  
55          children.addAll(tokens);
56  
57          if (children.size() == 0) {
58              return null;
59          }
60  
61          return Collections.unmodifiableList(children);
62      }
63  }