/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.vfs.i18n;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
/**
* Implements an encoding reader for ISO-8859-1
*/
public class ISO8859_1Reader extends EncodingReader {
private InputStream is;
/**
* Null-arg constructor for instantiation by com.caucho.vfs.Encoding only.
*/
public ISO8859_1Reader()
{
}
/**
* Create an ISO-8859-1 reader based on the readStream.
*/
public ISO8859_1Reader(InputStream is)
{
this.is = is;
}
/**
* Create a ISO-8859-1 reader based on the readStream.
*
* @param is the input stream providing the bytes.
* @param javaEncoding the JDK name for the encoding.
*
* @return null, since ReadStream handles this directly.
*/
public Reader create(InputStream is, String javaEncoding)
{
return null;
}
/**
* Reads the next character.
*/
public int read()
throws IOException
{
return is.read();
}
/**
* Reads the next character.
*/
public int read(char []buf, int offset, int length)
throws IOException
{
for (int i = 0; i < length; i++) {
int ch = is.read();
if (ch < 0)
return i > 0 ? i : -1;
else {
buf[offset + i] = (char) ch;
}
}
return length;
}
}