/*
* 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 Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.vfs;
import java.io.IOException;
import java.io.InputStream;
/**
* Unbuffered input stream to the stream impl
*/
public class StreamImplInputStream extends InputStream {
private StreamImpl _stream;
private byte []_buf = new byte[1];
public StreamImplInputStream(StreamImpl stream)
{
_stream = stream;
}
/**
* Writes a byte to the underlying stream.
*
* @param v the value to write
*/
public int read()
throws IOException
{
int len = _stream.read(_buf, 0, 1);
if (len == 1)
return _buf[0] & 0xff;
else
return -1;
}
/**
* Reads a buffer to the underlying stream.
*
* @param buffer the byte array to write.
* @param offset the offset into the byte array.
* @param length the number of bytes to write.
*/
public int read(byte []buffer, int offset, int length)
throws IOException
{
return _stream.read(buffer, offset, length);
}
/**
* Closes the stream.
*/
public void close() throws IOException
{
_stream.close();
}
}