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


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 InputStreamReader extends Reader JavaDoc {
51     InputStream JavaDoc in;
52
53     public InputStreamReader(InputStream JavaDoc in) {
54     this.in = in;
55     }
56
57     public void close() throws IOException JavaDoc {
58     in.close();
59     }
60
61     public int read() throws IOException JavaDoc {
62     int c1 = in.read();
63     if (c1 < 0) return -1;
64     int c2 = in.read();
65     if (c2 < 0) return -1;
66     return ((c1 & 0xff) << 8) | (c2 & 0xff);
67     }
68
69     public int read(char[] cbuf) throws IOException JavaDoc {
70     for (int i = 0; i < cbuf.length; i++) {
71         int c = read();
72         if (c < 0) return i;
73         cbuf[i] = (char)c;
74     }
75     return cbuf.length;
76     }
77     
78     public int read(char[] cbuf, int off, int len) throws IOException JavaDoc {
79     for (int i = 0; i < len; i++) {
80         int c = read();
81         if (c < 0) return i;
82         cbuf[off + i] = (char)c;
83     }
84     return len;
85     }
86 }
87
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