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Java > Open Source Codes > com > sun > org > apache > xerces > internal > dom > DOMStringListImpl


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2001, 2002 The Apache Software Foundation.
6  * All rights reserved.
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8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
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12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
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15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
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20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Xerces" and "Apache Software Foundation" must
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29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
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32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
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36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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49  *
50  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation and was
52  * originally based on software copyright (c) 2001, International
53  * Business Machines, Inc., http://www.apache.org. For more
54  * information on the Apache Software Foundation, please see
55  * <http://www.apache.org/>.
56  */
57
58 package com.sun.org.apache.xerces.internal.dom;
59
60 import java.util.Vector JavaDoc;
61
62 import org.w3c.dom.DOMStringList JavaDoc;
63
64 /**
65  * DOM Level 3 Experimental
66  *
67  * This class implemets the DOM Levl 3 Core interface DOMStringList.
68  *
69  * @author nddelima
70  */
71 public class DOMStringListImpl implements DOMStringList JavaDoc {
72     
73     //A collection of DOMString values
74 private Vector JavaDoc fStrings;
75
76     /**
77      * Construct an empty list of DOMStringListImpl
78      */
79     public DOMStringListImpl() {
80         fStrings = new Vector JavaDoc();
81     }
82
83     /**
84      * Construct an empty list of DOMStringListImpl
85      */
86     public DOMStringListImpl(Vector JavaDoc params) {
87         fStrings = params;
88     }
89         
90     /**
91      * @see org.w3c.dom.DOMStringList#item(int)
92      */
93     public String JavaDoc item(int index) {
94         try {
95             return (String JavaDoc) fStrings.elementAt(index);
96         } catch (ArrayIndexOutOfBoundsException JavaDoc e) {
97             return null;
98         }
99     }
100
101     /**
102      * @see org.w3c.dom.DOMStringList#getLength()
103      */
104     public int getLength() {
105         return fStrings.size();
106     }
107
108     /**
109      * @see org.w3c.dom.DOMStringList#contains(String)
110      */
111     public boolean contains(String JavaDoc param) {
112         return fStrings.contains(param) ;
113     }
114
115     /**
116      * DOM Internal:
117      * Add a <code>DOMString</code> to the list.
118      *
119      * @param domString A string to add to the list
120      */
121     public void add(String JavaDoc param) {
122         fStrings.add(param);
123     }
124
125 }
126
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