1 /*
2 * Copyright 1996-2001 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package java.io;
27
28
29 /**
30 * Convenience class for reading character files. The constructors of this
31 * class assume that the default character encoding and the default byte-buffer
32 * size are appropriate. To specify these values yourself, construct an
33 * InputStreamReader on a FileInputStream.
34 *
35 * <p><code>FileReader</code> is meant for reading streams of characters.
36 * For reading streams of raw bytes, consider using a
37 * <code>FileInputStream</code>.
38 *
39 * @see InputStreamReader
40 * @see FileInputStream
41 *
42 * @author Mark Reinhold
43 * @since JDK1.1
44 */
45 public class FileReader extends InputStreamReader {
46
47 /**
48 * Creates a new <tt>FileReader</tt>, given the name of the
49 * file to read from.
50 *
51 * @param fileName the name of the file to read from
52 * @exception FileNotFoundException if the named file does not exist,
53 * is a directory rather than a regular file,
54 * or for some other reason cannot be opened for
55 * reading.
56 */
57 public FileReader(String fileName) throws FileNotFoundException {
58 super(new FileInputStream(fileName));
59 }
60
61 /**
62 * Creates a new <tt>FileReader</tt>, given the <tt>File</tt>
63 * to read from.
64 *
65 * @param file the <tt>File</tt> to read from
66 * @exception FileNotFoundException if the file does not exist,
67 * is a directory rather than a regular file,
68 * or for some other reason cannot be opened for
69 * reading.
70 */
71 public FileReader(File file) throws FileNotFoundException {
72 super(new FileInputStream(file));
73 }
74
75 /**
76 * Creates a new <tt>FileReader</tt>, given the
77 * <tt>FileDescriptor</tt> to read from.
78 *
79 * @param fd the FileDescriptor to read from
80 */
81 public FileReader(FileDescriptor fd) {
82 super(new FileInputStream(fd));
83 }
84
85 }
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