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1   /*
2    * Copyright [2006] [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.xml.signature.impl;
18  
19  import java.util.ArrayList;
20  import java.util.Collections;
21  import java.util.List;
22  
23  import org.opensaml.xml.XMLObject;
24  import org.opensaml.xml.signature.RetrievalMethod;
25  import org.opensaml.xml.signature.Transforms;
26  import org.opensaml.xml.validation.AbstractValidatingXMLObject;
27  
28  /**
29   * Concrete implementation of {@link org.opensaml.xml.signature.RetrievalMethod}
30   */
31  public class RetrievalMethodImpl extends AbstractValidatingXMLObject implements RetrievalMethod {
32      
33      /** URI attribute value */
34      private String uri;
35      
36      /** Type attribute value */
37      private String type;
38      
39      /** Transforms attribute value */
40      private Transforms transforms;
41  
42      /**
43       * Constructor
44       *
45       * @param namespaceURI
46       * @param elementLocalName
47       * @param namespacePrefix
48       */
49      protected RetrievalMethodImpl(String namespaceURI, String elementLocalName, String namespacePrefix) {
50          super(namespaceURI, elementLocalName, namespacePrefix);
51      }
52  
53      /** {@inheritDoc} */
54      public String getURI() {
55          return this.uri;
56      }
57  
58      /** {@inheritDoc} */
59      public void setURI(String newURI) {
60          this.uri = prepareForAssignment(this.uri, newURI);
61      }
62  
63      /** {@inheritDoc} */
64      public String getType() {
65          return this.type;
66      }
67  
68      /** {@inheritDoc} */
69      public void setType(String newType) {
70          this.type = prepareForAssignment(this.type, newType);
71      }
72  
73      /** {@inheritDoc} */
74      public Transforms getTransforms() {
75          return this.transforms;
76      }
77  
78      /** {@inheritDoc} */
79      public void setTransforms(Transforms newTransforms) {
80          this.transforms = prepareForAssignment(this.transforms, newTransforms);
81      }
82  
83      /** {@inheritDoc} */
84      public List<XMLObject> getOrderedChildren() {
85          ArrayList<XMLObject> children = new ArrayList<XMLObject>();
86          
87          if (transforms != null) {
88              children.add(transforms);
89          }
90          
91          if (children.size() == 0) {
92              return null;
93          }
94          
95          return Collections.unmodifiableList(children);
96      }
97  
98  }