01: package com.quadcap.io;
02:
03: /* Copyright 1997 - 2003 Quadcap Software. All rights reserved.
04: *
05: * This software is distributed under the Quadcap Free Software License.
06: * This software may be used or modified for any purpose, personal or
07: * commercial. Open Source redistributions are permitted. Commercial
08: * redistribution of larger works derived from, or works which bundle
09: * 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;
42: import java.io.InputStream;
43: import java.io.Reader;
44:
45: /**
46: * This class is an adaptor class that can be used to convert an input
47: * stream that contains ASCII bytes into a reader that returns
48: * those bytes as Unicode characters.
49: *
50: * @author Stan Bailes
51: */
52: public class AsciiReader extends Reader {
53: InputStream in;
54:
55: public AsciiReader(InputStream in) {
56: this .in = in;
57: }
58:
59: public void close() throws IOException {
60: in.close();
61: }
62:
63: public int read() throws IOException {
64: return in.read();
65: }
66:
67: public int read(char[] cbuf) throws IOException {
68: for (int i = 0; i < cbuf.length; i++) {
69: int c = read();
70: if (c < 0)
71: return i;
72: cbuf[i] = (char) c;
73: }
74: return cbuf.length;
75: }
76:
77: public int read(char[] cbuf, int off, int len) throws IOException {
78: for (int i = 0; i < len; i++) {
79: int c = read();
80: if (c < 0)
81: return i;
82: cbuf[off + i] = (char) c;
83: }
84: return len;
85: }
86: }
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