rt/emul/compact/src/main/java/java/io/FileReader.java
author Jaroslav Tulach <jtulach@netbeans.org>
Thu, 03 Oct 2013 15:40:35 +0200
branchjdk7-b147
changeset 1334 588d5bf7a560
permissions -rw-r--r--
Set of JDK classes needed to run javac
     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 }