/*
* Copyright (c) 1998-2008 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 com.caucho.quercus.QuercusModuleException;
import com.caucho.quercus.env.BooleanValue;
import com.caucho.quercus.env.Value;
import com.caucho.vfs.TempBuffer;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* Represents a PHP open file
*/
abstract public class AbstractBinaryOutput
extends OutputStream
implements BinaryOutput
{
/**
* Returns self as the output stream.
*/
public OutputStream getOutputStream()
{
return this;
}
/**
* Writes to a stream.
*/
public int write(InputStream is, int length)
{
int writeLength = 0;
TempBuffer tb = TempBuffer.allocate();
byte []buffer = tb.getBuffer();
try {
while (length > 0) {
int sublen;
if (length < buffer.length)
sublen = length;
else
sublen = buffer.length;
sublen = is.read(buffer, 0, sublen);
if (sublen < 0)
break;
write(buffer, 0, sublen);
writeLength += sublen;
length -= sublen;
}
return writeLength;
} catch (IOException e) {
throw new QuercusModuleException(e);
} finally {
TempBuffer.free(tb);
}
}
/**
* Prints a string to a file.
*/
public void print(char v)
throws IOException
{
write((byte) v);
}
/**
* Prints a string to a file.
*/
public void print(String v)
throws IOException
{
for (int i = 0; i < v.length(); i++)
write(v.charAt(i));
}
/**
* Flushes the output.
*/
public void flush()
throws IOException
{
}
/**
* Closes the file.
*/
public void closeWrite()
{
close();
}
/**
* Closes the stream.
*/
public void close()
{
}
/**
* Returns false always for output streams
*/
public boolean isEOF()
{
return false;
}
/**
* Tells the position in the stream
*/
public long getPosition()
{
return 0;
}
/**
* Sets the position.
*/
public boolean setPosition(long offset)
{
return false;
}
public long seek(long offset, int whence)
{
long position;
switch (whence) {
case BinaryStream.SEEK_CUR:
position = getPosition() + offset;
break;
case BinaryStream.SEEK_END:
// don't necessarily have an end
position = getPosition();
break;
case BinaryStream.SEEK_SET:
default:
position = offset;
break;
}
if (! setPosition(position))
return -1L;
else
return position;
}
public String getResourceType()
{
return "stream";
}
public Value stat()
{
return BooleanValue.FALSE;
}
}