DOMImplementationListImpl


1   /*
2    * Copyright 2004 The Apache Software Foundation.
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 com.sun.org.apache.xerces.internal.dom;
18  
19  import java.util.Vector  ;
20  import org.w3c.dom.DOMImplementationList  ;
21  import org.w3c.dom.DOMImplementation  ;
22  
23  /**
24   * <p>This class implements the DOM Level 3 Core interface DOMImplementationList.</p>
25   * 
26   * @author Neil Delima, IBM
27   * @since DOM Level 3 Core
28   */
29  public class DOMImplementationListImpl implements DOMImplementationList   {
30  
31      //A collection of DOMImplementations
32      private Vector   fImplementations;
33  
34      /**
35       * Construct an empty list of DOMImplementations
36       */
37      public DOMImplementationListImpl() {
38          fImplementations = new Vector  ();
39      }
40  
41      /**
42       * Construct an empty list of DOMImplementations
43       */
44      public DOMImplementationListImpl(Vector   params) {
45          fImplementations = params;
46      }
47  
48      /**
49       * Returns the indexth item in the collection.
50       * 
51       * @param index The index of the DOMImplemetation from the list to return.
52       */
53      public DOMImplementation   item(int index) {
54          try {
55              return (DOMImplementation  ) fImplementations.elementAt(index);
56          } catch (ArrayIndexOutOfBoundsException   e) {
57              return null;
58          }
59      }
60      
61      /**
62       * Returns the number of DOMImplementations in the list.
63       * 
64       * @return An integer indicating the number of DOMImplementations.
65       */
66      public int getLength() {
67          return fImplementations.size();
68      }
69  }
70
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags