1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
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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).
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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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     */
FileReader(String fileName)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     */
FileReader(File file)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     */
FileReader(FileDescriptor fd)81     public FileReader(FileDescriptor fd) {
82         super(new FileInputStream(fd));
83     }
84 
85 }
86