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1   /*
2    * Copyright (c) 1996, 2001, Oracle and/or its affiliates. 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.  Oracle designates this
8    * particular file as subject to the "Classpath" exception as provided
9    * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22   * or visit www.oracle.com if you need additional information or have any
23   * 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  }