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1   /*
2    * reserved comment block
3    * DO NOT REMOVE OR ALTER!
4    */
5   /*
6    * Copyright 2005 The Apache Software Foundation.
7    *
8    * Licensed under the Apache License, Version 2.0 (the "License");
9    * you may not use this file except in compliance with the License.
10   * You may obtain a copy of the License at
11   *
12   *      http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  
21  package com.sun.org.apache.xerces.internal.util;
22  
23  import com.sun.org.apache.xerces.internal.xni.parser.XMLInputSource;
24  import org.w3c.dom.Node;
25  
26  /**
27   * <p>An <code>XMLInputSource</code> analogue to <code>javax.xml.transform.dom.DOMSource</code>.</p>
28   *
29   */
30  public final class DOMInputSource extends XMLInputSource {
31  
32      private Node fNode;
33  
34      public DOMInputSource() {
35          this(null);
36      }
37  
38      public DOMInputSource(Node node) {
39          super(null, getSystemIdFromNode(node), null);
40          fNode = node;
41      }
42  
43      public DOMInputSource(Node node, String systemId) {
44          super(null, systemId, null);
45          fNode = node;
46      }
47  
48      public Node getNode() {
49          return fNode;
50      }
51  
52      public void setNode(Node node) {
53          fNode = node;
54      }
55  
56      private static String getSystemIdFromNode(Node node) {
57          if (node != null) {
58              try {
59                  return node.getBaseURI();
60              }
61              // If the DOM implementation is DOM Level 2
62              // then a NoSuchMethodError will be thrown.
63              // Just ignore it.
64              catch (NoSuchMethodError e) {
65                  return null;
66              }
67              // There was a failure for some other reason
68              // Ignore it as well.
69              catch (Exception e) {
70                  return null;
71              }
72          }
73          return null;
74      }
75  
76  } // DOMInputSource