1 /*
2 * (C) Copyright Keith Visco 1998, 1999 All rights reserved.
3 *
4 * The contents of this file are released under an Open Source Definition (OSD) compliant license;
5 * you may not use this file execpt in compliance with the license. Please see license.txt,
6 * distributed with this file. You may also obtain a copy of the license at
7 * http://www.clc-marketing.com/xslp/license.txt
8 *
9 * The program is provided "as is" without any warranty express or implied, including the warranty
10 * of non-infringement and the implied warranties of merchantibility and fitness for a particular
11 * purpose. The Copyright owner will not be liable for any damages suffered by you as a result of
12 * using the Program. In no event will the Copyright owner be liable for any special, indirect or
13 * consequential damages or lost profits even if the Copyright owner has been advised of the
14 * possibility of their occurrence.
15 *
16 * The orginal source for this file is XSL:P
17 *
18 * $Id$
19 */
20 package org.exolab.castor.xml.util;
21
22 import org.w3c.dom.Attr;
23 import org.w3c.dom.NamedNodeMap;
24 import org.xml.sax.AttributeList;
25
26 /**
27 * A class which implements AttributeList by "wrapping" a DOM NamedNodeMap. XSLReader when reading
28 * an XSLT stylsheet.
29 *
30 * @author <a href="mailto:kvisco@ziplink.net">Keith Visco</a>
31 * @version $Revision$ $Date: 2003-03-03 00:05:44 -0700 (Mon, 03 Mar 2003) $
32 */
33 public class AttributeListWrapper implements AttributeList {
34
35 NamedNodeMap _map = null;
36
37 public AttributeListWrapper(NamedNodeMap namedNodeMap) {
38 _map = namedNodeMap;
39 } // -- AtrributeListWrapper
40
41 // -----------------------------/
42 // - org.xml.sax.AttributeList -/
43 // -----------------------------/
44
45 /**
46 * Returns the number of attributes in the list.
47 *
48 * @return The number of attributes in the list.
49 */
50 public int getLength() {
51 if (_map == null) {
52 return 0;
53 }
54 return _map.getLength();
55 } // -- getLength
56
57 /**
58 * Returns the name of the attribute at the given index.
59 *
60 * @param i The position of the attribute in the list.
61 * @return The attribute name as a string, or null if there is no attribute at that position.
62 */
63 public String getName(final int i) {
64 if (_map != null) {
65 Attr attr = (Attr) _map.item(i);
66 return attr.getName();
67 }
68 return null;
69 } // -- getName
70
71 /**
72 * Returns the type of the attribute at the specified index.
73 *
74 * @param i The position of the attribute in the list.
75 * @return The attribute type as a string ("NMTOKEN" for an enumeration, and "CDATA" if no
76 * declaration was read), or null if there is no attribute at that position. <br/>
77 * <b>Note:</b> Not supported, will simply return null.
78 */
79 public String getType(final int i) {
80 return null;
81 } // -- getType
82
83 /**
84 * Return the value of the attribute at the specified index
85 *
86 * @param i The position of the attribute in the list.
87 * @return The attribute value as a string, or null if there is no attribute at that position.
88 */
89 public String getValue(final int i) {
90 if (_map != null) {
91 Attr attr = (Attr) _map.item(i);
92 return attr.getValue();
93 }
94 return null;
95 } // -- getValue
96
97 /**
98 * Return the type of the attribute with the given name.
99 *
100 * @param name The attribute name.
101 * @return The attribute type as a string ("NMTOKEN" for an enumeration, and "CDATA" if no
102 * declaration was read). <br/>
103 * <b>Note:</b> Not supported, will simply return null.
104 */
105 public String getType(final String name) {
106 return null;
107 } // -- getType
108
109 /**
110 * Get the value of an attribute (by name).
111 *
112 * @param name The attribute name.
113 * @see org.xml.sax.AttributeList#getValue(java.lang.String)
114 */
115 public String getValue(final String name) {
116 if (_map != null) {
117 Attr attr = (Attr) _map.getNamedItem(name);
118 if (attr != null) {
119 return attr.getValue();
120 }
121 }
122 return null;
123 } // -- getValue
124
125 } // -- AttributeListWrapper