01: /*
02: * @(#)StreamReader.java 1.12 06/10/10
03: *
04: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: *
26: */
27:
28: package com.sun.cdc.i18n;
29:
30: import java.io.*;
31:
32: /**
33: * General prototype for character converting stream readers.
34: *
35: * @version 1.0 11/16/99
36: */
37: public abstract class StreamReader extends Reader {
38:
39: /** Input stream to read from */
40: public InputStream in;
41:
42: /**
43: * Open the reader
44: */
45: public Reader open(InputStream in, String enc)
46: throws UnsupportedEncodingException {
47: this .in = in;
48: return this ;
49: }
50:
51: /**
52: * Close the stream.
53: *
54: * @exception IOException If an I/O error occurs
55: */
56: public void close() throws IOException {
57: in.close();
58: }
59:
60: /**
61: * Get the size in chars of an array of bytes
62: */
63: public abstract int sizeOf(byte[] array, int offset, int length);
64:
65: }
|