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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.Audience;
29  import org.opensaml.saml2.core.ProxyRestriction;
30  import org.opensaml.xml.XMLObject;
31  import org.opensaml.xml.util.XMLObjectChildrenList;
32  
33  /**
34   * Concrete implementation of {@link org.opensaml.saml2.core.ProxyRestriction}.
35   */
36  public class ProxyRestrictionImpl extends AbstractSAMLObject implements ProxyRestriction {
37  
38      /** Audiences of the Restriction. */
39      private final XMLObjectChildrenList<Audience> audiences;
40  
41      /** Count of the Restriction. */
42      private Integer proxyCount;
43  
44      /**
45       * Constructor.
46       * 
47       * @param namespaceURI the namespace the element is in
48       * @param elementLocalName the local name of the XML element this Object represents
49       * @param namespacePrefix the prefix for the given namespace
50       */
51      protected ProxyRestrictionImpl(String namespaceURI, String elementLocalName, String namespacePrefix) {
52          super(namespaceURI, elementLocalName, namespacePrefix);
53          audiences = new XMLObjectChildrenList<Audience>(this);
54      }
55  
56      /** {@inheritDoc} */
57      public List<Audience> getAudiences() {
58          return audiences;
59      }
60  
61      /** {@inheritDoc} */
62      public Integer getProxyCount() {
63          return proxyCount;
64      }
65  
66      /** {@inheritDoc} */
67      public void setProxyCount(Integer newProxyCount) {
68          if (newProxyCount >= 0) {
69              this.proxyCount = prepareForAssignment(this.proxyCount, newProxyCount);
70          } else {
71              throw new IllegalArgumentException("Count must be a non-negative integer.");
72          }
73      }
74  
75      /** {@inheritDoc} */
76      public List<XMLObject> getOrderedChildren() {
77          ArrayList<XMLObject> children = new ArrayList<XMLObject>();
78  
79          children.addAll(audiences);
80          return Collections.unmodifiableList(children);
81      }
82  }