/*
* Created on Feb 8, 2007
* Created by Paul Gardner
* Copyright (C) 2007 Aelitis, All Rights Reserved.
*
* This program 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.
* This program 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. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 63.529,40 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package com.aelitis.azureus.core.util;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.gudy.azureus2.core3.util.Debug;
public class
DeleteFileOnCloseInputStream
extends InputStream
{
private InputStream in;
private File file;
private boolean closed;
private long pos;
private long mark;
public
DeleteFileOnCloseInputStream(
File _file )
throws IOException
{
file = _file;
in = new BufferedInputStream( new FileInputStream( file ), 128*1024 );
}
public void
close()
throws IOException
{
if ( closed ){
return;
}
closed = true;
try{
in.close();
}finally{
if ( !file.delete()){
Debug.out( "Failed to delete file '" + file + "'" );
}
}
}
public int
read()
throws IOException
{
int result = in.read();
pos++;
return( result );
}
public int
read(
byte b[] )
throws IOException
{
int res = read( b, 0, b.length );
if ( res > 0 ){
pos += res;
}
return( res );
}
public int
read(
byte b[],
int off,
int len )
throws IOException
{
int res = in.read( b, off, len );
if ( res > 0 ){
pos += res;
}
return( res );
}
public long
skip(
long n )
throws IOException
{
long res = in.skip( n );
pos += res;
return( res );
}
public int
available()
throws IOException
{
return( in.available());
}
public synchronized void
mark(
int readlimit )
{
mark = pos;
}
public synchronized void
reset()
throws IOException
{
in.close();
in = new FileInputStream( file );
in.skip( mark );
pos = mark;
}
public boolean
markSupported()
{
return( true );
}
/**
* @return
*
* @since 3.1.1.1
*/
public File getFile() {
return file;
}
}