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Java > Open Source Codes > com > quadcap > io > ReaderInputStream


1 package com.quadcap.io;
2
3 /* Copyright 1997 - 2003 Quadcap Software. All rights reserved.
4  *
5  * This software is distributed under the Quadcap Free Software License.
6  * This software may be used or modified for any purpose, personal or
7  * commercial. Open Source redistributions are permitted. Commercial
8  * redistribution of larger works derived from, or works which bundle
9  * this software requires a "Commercial Redistribution License"; see
10  * http://www.quadcap.com/purchase.
11  *
12  * Redistributions qualify as "Open Source" under one of the following terms:
13  *
14  * Redistributions are made at no charge beyond the reasonable cost of
15  * materials and delivery.
16  *
17  * Redistributions are accompanied by a copy of the Source Code or by an
18  * irrevocable offer to provide a copy of the Source Code for up to three
19  * years at the cost of materials and delivery. Such redistributions
20  * must allow further use, modification, and redistribution of the Source
21  * Code under substantially the same terms as this license.
22  *
23  * Redistributions of source code must retain the copyright notices as they
24  * appear in each source code file, these license terms, and the
25  * disclaimer/limitation of liability set forth as paragraph 6 below.
26  *
27  * Redistributions in binary form must reproduce this Copyright Notice,
28  * these license terms, and the disclaimer/limitation of liability set
29  * forth as paragraph 6 below, in the documentation and/or other materials
30  * provided with the distribution.
31  *
32  * The Software is provided on an "AS IS" basis. No warranty is
33  * provided that the Software is free of defects, or fit for a
34  * particular purpose.
35  *
36  * Limitation of Liability. Quadcap Software shall not be liable
37  * for any damages suffered by the Licensee or any third party resulting
38  * from use of the Software.
39  */
40
41 import java.io.IOException JavaDoc;
42 import java.io.InputStream JavaDoc;
43 import java.io.Reader JavaDoc;
44
45 /**
46  *
47  *
48  * @author Stan Bailes
49  */
50 public class ReaderInputStream extends InputStream JavaDoc {
51     Reader JavaDoc r;
52     int save;
53     boolean saved = false;
54
55     public ReaderInputStream(Reader JavaDoc r) {
56     this.r = r;
57     }
58
59     public int read() throws IOException JavaDoc {
60     if (saved) {
61         saved = false;
62         return save;
63     } else {
64         int c = r.read();
65         if (c < 0) return c;
66         save = c & 0xff;
67         saved = true;
68         return (c >> 8) & 0xff;
69     }
70     }
71 }
72
73         
74
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