Attributes


1   /* 
2   * ################################################################
3   * 
4   * ProActive: The Java(TM) library for Parallel, Distributed, 
5   *            Concurrent computing with Security and Mobility
6   * 
7   * Copyright (C) 1997-2002 INRIA/University of Nice-Sophia Antipolis
8   * Contact: proactive-support@inria.fr
9   * 
10  * This library is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU Lesser General Public
12  * License as published by the Free Software Foundation; either
13  * version 2.1 of the License, or any later version.
14  *  
15  * This library is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18  * Lesser General Public License for more details.
19  * 
20  * You should have received a copy of the GNU Lesser General Public
21  * License along with this library; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
23  * USA
24  *  
25  *  Initial developer(s):               The ProActive Team
26  *                        http://www.inria.fr/oasis/ProActive/contacts.html
27  *  Contributor(s): 
28  * 
29  * ################################################################
30  */ 
31  package org.objectweb.proactive.core.xml.io;
32  
33  /**
34   *
35   * A class implementing this interface is a wrapper of the attribute of an XML element.
36   * It is used to wrap both SAX and DOM attributes in an independant manner.
37   *
38   * @author       Lionel Mestre
39   * @version      0.91
40   *
41   */
42  public interface Attributes {
43    
44   /**
45    * Looks up an attribute's value by index.
46    * @param index The attribute index (zero-based).
47    * @return The attribute's value as a string, or null if the index is out of range.
48    */
49    public String   getValue(int index);
50    
51    
52   /**
53    * Looks up an attribute's value by XML 1.0 qualified name.
54    * @param qName The qualified (prefixed) name.
55    * @return The attribute value as a string, or null if the attribute is not in the list or if
56    *         qualified names are not available.
57    */
58    public String   getValue(String   qName); 
59   
60    
61   /**
62    * Looks up the index of an attribute by Namespace name.
63    * @param uri The Namespace URI, or the empty string if the name has no Namespace URI.
64    * @param localName The attribute's local name.
65    * @return The attribute value as a string, or null if the attribute is not in the list.
66    */
67    public String   getValue(String   uri, String   localPart); 
68   
69    
70   /**
71    * Returns the number of attributes in the list.
72    */
73    public int getLength();
74  
75    
76  }
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