/*
* 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.quercus.lib.file;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.caucho.quercus.env.Value;
import com.caucho.vfs.TempBuffer;
/**
* Represents a Quercus file open for reading
*/
public class WriteStreamOutput extends OutputStream implements BinaryOutput {
private static final Logger log
= Logger.getLogger(WriteStreamOutput.class.getName());
private OutputStream _os;
public WriteStreamOutput(OutputStream os)
{
_os = os;
}
/**
* Returns the input stream.
*/
public OutputStream getOutputStream()
{
return _os;
}
public void close()
{
OutputStream os = _os;
_os = null;
if (os != null) {
try {
os.close();
} catch (Exception e) {
log.log(Level.FINE, e.toString(), e);
}
}
}
public Object toJavaObject()
{
return this;
}
public String getResourceType()
{
return "stream";
}
@Override
public void write(int ch) throws IOException
{
_os.write(ch);
}
@Override
public void write(byte []buffer, int offset, int length) throws IOException
{
_os.write(buffer, offset, length);
}
@Override
public void closeWrite()
{
close();
}
@Override
public void print(char ch) throws IOException
{
_os.write(ch);
}
/* (non-Javadoc)
* @see com.caucho.quercus.lib.file.BinaryOutput#print(java.lang.String)
*/
@Override
public void print(String s) throws IOException
{
int len = s.length();
for (int i = 0; i < len; i++)
_os.write(s.charAt(i));
}
@Override
public int write(InputStream is, int length) throws IOException
{
TempBuffer tempBuffer = TempBuffer.allocate();
byte []buffer = tempBuffer.getBuffer();
int writeLength = length;
while (length > 0) {
int sublen = buffer.length;
if (length < sublen)
sublen = length;
sublen = is.read(buffer, 0, sublen);
if (sublen <= 0)
break;
_os.write(buffer, 0, sublen);
length -= sublen;
}
TempBuffer.free(tempBuffer);
return writeLength;
}
@Override
public long getPosition()
{
return 0;
}
@Override
public boolean isEOF()
{
return false;
}
@Override
public long seek(long offset, int whence)
{
return 0;
}
@Override
public boolean setPosition(long offset)
{
return false;
}
@Override
public Value stat()
{
return null;
}
/**
* Converts to a string.
*/
public String toString()
{
return "WriteStreamOutput[" + _os + "]";
}
}