/* FileReader.java
Purpose:
Description:
History:
Tue Aug 19 15:01:16 2008, Created by tomyeh
Copyright (C) 2008 Potix Corporation. All Rights Reserved.
{{IS_RIGHT
This program is distributed under LGPL Version 3.0 in the hope that
it will be useful, but WITHOUT ANY WARRANTY.
}}IS_RIGHT
*/
package org.zkoss.io;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.FileDescriptor;
/**
* Convenience class for reading character files.
* Unlike java.io.FileReader, where the default character encoding is used,
* it accepts different character encoding.
*
* @author tomyeh
* @since 3.0.8
*/
public class FileReader extends InputStreamReader {
/**
* Creates a new FileReader, given the name of the file to read from.
*
* @param filename the name of the file to read from
* @param charset the charset to decode the file, such as UTF-8.
* If null, UTF-8 is assumed.
* @exception FileNotFoundException if the named file does not exist,
* is a directory rather than a regular file,
* or for some other reason cannot be opened for reading.
*/
public FileReader(String filename, String charset)
throws IOException {
super(new FileInputStream(filename), charset != null ? charset: "UTF-8");
}
/**
* Creates a new FileReader, given the File instance to read from.
*
* @param file the File to read from
* @param charset the charset to decode the file, such as UTF-8.
* If null, UTF-8 is assumed.
* @exception FileNotFoundException if the named file does not exist,
* is a directory rather than a regular file,
* or for some other reason cannot be opened for reading.
*/
public FileReader(File file, String charset) throws IOException {
super(new FileInputStream(file), charset != null ? charset: "UTF-8");
}
/**
* Creates a new FileReader, given the
* FileDescriptor to read from.
*
* @param fd the FileDescriptor to read from
* @param charset the charset to decode the file, such as UTF-8.
* If null, UTF-8 is assumed.
*/
public FileReader(FileDescriptor fd, String charset)
throws IOException {
super(new FileInputStream(fd), charset != null ? charset: "UTF-8");
}
}
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