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Java > Open Source Codes > com > steadystate > css > dom > CSSRuleListImpl


1 /*
2  * CSSRuleListImpl.java
3  *
4  * Steady State CSS2 Parser
5  *
6  * Copyright (C) 1999, 2002 Steady State Software Ltd. All rights reserved.
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21  *
22  * To contact the authors of the library, write to Steady State Software Ltd.,
23  * 49 Littleworth, Wing, Buckinghamshire, LU7 0JX, England
24  *
25  * http://www.steadystate.com/css/
26  * mailto:css@steadystate.co.uk
27  *
28  * $Id: CSSRuleListImpl.java,v 1.1.1.1 2003/12/28 21:22:50 davidsch Exp $
29  */

30
31 package com.steadystate.css.dom;
32
33 import java.io.Serializable JavaDoc;
34 import java.util.Vector JavaDoc;
35 import org.w3c.dom.css.*;
36
37 public class CSSRuleListImpl implements CSSRuleList, Serializable JavaDoc {
38     
39     private Vector JavaDoc _rules = null;
40
41     public CSSRuleListImpl() {
42     }
43
44     public int getLength() {
45         return (_rules != null) ? _rules.size() : 0;
46     }
47
48     public CSSRule item(int index) {
49         return (_rules != null) ? (CSSRule) _rules.elementAt(index) : null;
50     }
51
52     public void add(CSSRule rule) {
53         if (_rules == null) {
54             _rules = new Vector JavaDoc();
55         }
56         _rules.addElement(rule);
57     }
58     
59     public void insert(CSSRule rule, int index) {
60         if (_rules == null) {
61             _rules = new Vector JavaDoc();
62         }
63         _rules.insertElementAt(rule, index);
64     }
65     
66     public void delete(int index) {
67         if (_rules == null) {
68             _rules = new Vector JavaDoc();
69         }
70         _rules.removeElementAt(index);
71     }
72     
73     public String JavaDoc toString() {
74         StringBuffer JavaDoc sb = new StringBuffer JavaDoc();
75         for (int i = 0; i < getLength(); i++ ) {
76             sb.append(item(i).toString()).append("\r\n");
77         }
78         return sb.toString();
79     }
80 }
81
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