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Java > Open Source Codes > nextapp > echo2 > app > text > StringDocument


1 /*
2  * This file is part of the Echo Web Application Framework (hereinafter "Echo").
3  * Copyright (C) 2002-2005 NextApp, Inc.
4  *
5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * the License. You may obtain a copy of the License at
10  * http://www.mozilla.org/MPL/
11  *
12  * Software distributed under the License is distributed on an "AS IS" basis,
13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14  * for the specific language governing rights and limitations under the
15  * License.
16  *
17  * Alternatively, the contents of this file may be used under the terms of
18  * either the GNU General Public License Version 2 or later (the "GPL"), or
19  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20  * in which case the provisions of the GPL or the LGPL are applicable instead
21  * of those above. If you wish to allow use of your version of this file only
22  * under the terms of either the GPL or the LGPL, and not to allow others to
23  * use your version of this file under the terms of the MPL, indicate your
24  * decision by deleting the provisions above and replace them with the notice
25  * and other provisions required by the GPL or the LGPL. If you do not delete
26  * the provisions above, a recipient may use your version of this file under
27  * the terms of any one of the MPL, the GPL or the LGPL.
28  */
29
30 package nextapp.echo2.app.text;
31
32 import nextapp.echo2.app.event.DocumentEvent;
33
34 /**
35  * A simple implementation of a document that holds a single String of text.
36  */
37 public class StringDocument extends AbstractDocument {
38
39     private String JavaDoc text;
40
41     /**
42      * Creates a new StringDocument.
43      */
44     public StringDocument() {
45         super();
46     }
47     
48     /**
49      * Returns the text held in the document.
50      *
51      * @return The text.
52      *
53      * @see nextapp.echo2.app.text.Document#getText()
54      */
55     public String JavaDoc getText() {
56         return text == null ? "" : text;
57     }
58
59     /**
60      * Sets the text held in the document.
61      *
62      * @param text The new text.
63      *
64      * @see nextapp.echo2.app.text.Document#setText(String)
65      */
66     public void setText(String JavaDoc text) {
67         DocumentEvent e = new DocumentEvent(this);
68         this.text = text;
69         fireDocumentUpdate(e);
70     }
71 }
72
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