/*
* Copyright ( c ) 1996 , 2021 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation . Oracle designates this
* particular file as subject to the " Classpath " exception as provided
* by Oracle in the LICENSE file that accompanied this code .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
package java.io;
import java.nio.charset.Charset;
/**
* Writes text to character files using a default buffer size . Encoding from characters
* to bytes uses either a specified { @ linkplain Charset charset }
* or the { @ linkplain Charset # defaultCharset ( ) default charset } .
*
* < p >
* Whether or not a file is available or may be created depends upon the
* underlying platform . Some platforms , in particular , allow a file to be
* opened for writing by only one { @ code FileWriter } ( or other file - writing
* object ) at a time . In such situations the constructors in this class
* will fail if the file involved is already open .
*
* < p >
* The { @ code FileWriter } is meant for writing streams of characters . For writing
* streams of raw bytes , consider using a { @ code FileOutputStream } .
*
* @ see OutputStreamWriter
* @ see FileOutputStream
* @ see Charset # defaultCharset ( )
*
* @ author Mark Reinhold
* @ since 1 . 1
*/
public class FileWriter extends OutputStreamWriter {
/**
* Constructs a { @ code FileWriter } given a file name , using the
* { @ linkplain Charset # defaultCharset ( ) default charset }
*
* @ param fileName String The system - dependent filename .
* @ throws IOException if the named file exists but is a directory rather
* than a regular file , does not exist but cannot be
* created , or cannot be opened for any other reason
* @ see Charset # defaultCharset ( )
*/
public FileWriter(String fileName) throws IOException {
super (new FileOutputStream(fileName));
}
/**
* Constructs a { @ code FileWriter } given a file name and a boolean indicating
* whether to append the data written , using the
* { @ linkplain Charset # defaultCharset ( ) default charset } .
*
* @ param fileName String The system - dependent filename .
* @ param append boolean if { @ code true } , then data will be written
* to the end of the file rather than the beginning .
* @ throws IOException if the named file exists but is a directory rather
* than a regular file , does not exist but cannot be
* created , or cannot be opened for any other reason
* @ see Charset # defaultCharset ( )
*/
public FileWriter(String fileName, boolean append) throws IOException {
super (new FileOutputStream(fileName, append));
}
/**
* Constructs a { @ code FileWriter } given the { @ code File } to write ,
* using the { @ linkplain Charset # defaultCharset ( ) default charset }
*
* @ param file the { @ code File } to write .
* @ throws IOException if the file exists but is a directory rather than
* a regular file , does not exist but cannot be created ,
* or cannot be opened for any other reason
* @ see Charset # defaultCharset ( )
*/
public FileWriter(File file) throws IOException {
super (new FileOutputStream(file));
}
/**
* Constructs a { @ code FileWriter } given the { @ code File } to write and
* a boolean indicating whether to append the data written , using the
* { @ linkplain Charset # defaultCharset ( ) default charset } .
*
* @ param file the { @ code File } to write
* @ param append if { @ code true } , then bytes will be written
* to the end of the file rather than the beginning
* @ throws IOException if the file exists but is a directory rather than
* a regular file , does not exist but cannot be created ,
* or cannot be opened for any other reason
* @ see Charset # defaultCharset ( )
* @ since 1 . 4
*/
public FileWriter(File file, boolean append) throws IOException {
super (new FileOutputStream(file, append));
}
/**
* Constructs a { @ code FileWriter } given a file descriptor ,
* using the { @ linkplain Charset # defaultCharset ( ) default charset } .
*
* @ param fd the { @ code FileDescriptor } to write .
* @ see Charset # defaultCharset ( )
*/
public FileWriter(FileDescriptor fd) {
super (new FileOutputStream(fd));
}
/**
* Constructs a { @ code FileWriter } given a file name and
* { @ linkplain Charset charset } .
*
* @ param fileName the name of the file to write
* @ param charset the { @ linkplain Charset charset }
* @ throws IOException if the named file exists but is a directory rather
* than a regular file , does not exist but cannot be
* created , or cannot be opened for any other reason
*
* @ since 11
*/
public FileWriter(String fileName, Charset charset) throws IOException {
super (new FileOutputStream(fileName), charset);
}
/**
* Constructs a { @ code FileWriter } given a file name ,
* { @ linkplain Charset charset } and a boolean indicating
* whether to append the data written .
*
* @ param fileName the name of the file to write
* @ param charset the { @ linkplain Charset charset }
* @ param append a boolean . If { @ code true } , the writer will write the data
* to the end of the file rather than the beginning .
* @ throws IOException if the named file exists but is a directory rather
* than a regular file , does not exist but cannot be
* created , or cannot be opened for any other reason
*
* @ since 11
*/
public FileWriter(String fileName, Charset charset, boolean append) throws IOException {
super (new FileOutputStream(fileName, append), charset);
}
/**
* Constructs a { @ code FileWriter } given the { @ code File } to write and
* { @ linkplain Charset charset } .
*
* @ param file the { @ code File } to write
* @ param charset the { @ linkplain Charset charset }
* @ throws IOException if the file exists but is a directory rather than
* a regular file , does not exist but cannot be created ,
* or cannot be opened for any other reason
*
* @ since 11
*/
public FileWriter(File file, Charset charset) throws IOException {
super (new FileOutputStream(file), charset);
}
/**
* Constructs a { @ code FileWriter } given the { @ code File } to write ,
* { @ linkplain Charset charset } and a boolean indicating
* whether to append the data written .
*
* @ param file the { @ code File } to write
* @ param charset the { @ linkplain Charset charset }
* @ param append a boolean . If { @ code true } , the writer will write the data
* to the end of the file rather than the beginning .
* @ throws IOException if the file exists but is a directory rather than
* a regular file , does not exist but cannot be created ,
* or cannot be opened for any other reason
* @ since 11
*/
public FileWriter(File file, Charset charset, boolean append) throws IOException {
super (new FileOutputStream(file, append), charset);
}
}
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