001 /* FileReader.java -- Convenience class for reading characters from a file 002 Copyright (C) 1998, 2000, 2003 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package java.io; 040 041 /** 042 * This class provides a convenient way to set up a <code>Reader</code> 043 * to read from a file. It opens the specified file for reading and creates 044 * the <code>InputStreamReader</code> to read from the 045 * resulting <code>FileInputStream</code>. This class can only be used 046 * to read from files using the default character encoding. Use 047 * <code>InputStreamReader</code> directly to use a non-default encoding. 048 * 049 * @author Aaron M. Renn (arenn@urbanophile.com) 050 */ 051 public class FileReader extends InputStreamReader 052 { 053 /** 054 * This method initializes a <code>FileReader</code> instance to read from 055 * the specified <code>File</code> object. 056 * 057 * @param file The <code>File</code> object representing the file to read from 058 * 059 * @exception FileNotFoundException If the file is not found or some other 060 * error occurs 061 */ 062 public FileReader(File file) throws FileNotFoundException 063 { 064 super(new FileInputStream(file)); 065 } 066 067 /** 068 * This method initializes a <code>FileReader</code> instance to read from 069 * this specified <code>FileDescriptor</code> object. 070 * 071 * @param fd The <code>FileDescriptor</code> to read from. 072 */ 073 public FileReader(FileDescriptor fd) 074 { 075 super(new FileInputStream(fd)); 076 } 077 078 /** 079 * This method initializes a <code>FileReader</code> instance to read from 080 * the specified named file. 081 * 082 * @param name The name of the file to read from 083 * 084 * @exception FileNotFoundException If the file is not found or some other 085 * error occurs 086 */ 087 public FileReader(String name) throws FileNotFoundException 088 { 089 super(new FileInputStream(name)); 090 } 091 } // class FileReader