/*
* Created on 29-Nov-2004
* Created by Paul Gardner
* Copyright (C) 2004, 2005, 2006 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 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader;
import java.io.*;
import org.gudy.azureus2.core3.util.AESemaphore;
import org.gudy.azureus2.core3.util.AEThread2;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.core3.util.FileUtil;
import org.gudy.azureus2.core3.util.TorrentUtils;
import org.gudy.azureus2.plugins.utils.resourcedownloader.ResourceDownloader;
import org.gudy.azureus2.plugins.utils.resourcedownloader.ResourceDownloaderCancelledException;
import org.gudy.azureus2.plugins.utils.resourcedownloader.ResourceDownloaderException;
import com.aelitis.azureus.core.util.HTTPUtils;
/**
* @author parg
*
*/
public class
ResourceDownloaderFileImpl
extends ResourceDownloaderBaseImpl
{
protected boolean cancelled;
protected File file;
protected Object result;
protected AESemaphore done_sem = new AESemaphore("RDTimeout");
protected long size = -2;
public
ResourceDownloaderFileImpl(
ResourceDownloaderBaseImpl _parent,
File _file )
{
super( _parent );
file = _file;
}
public String
getName()
{
return( file.toString());
}
protected void
setSize(
long size )
{
}
public long
getSize()
throws ResourceDownloaderException
{
String file_str = file.toString();
int pos = file_str.lastIndexOf( "." );
String file_type;
if ( pos != -1 ){
file_type = file_str.substring(pos+1);
}else{
file_type = null;
}
setProperty( ResourceDownloader.PR_STRING_CONTENT_TYPE,
HTTPUtils.guessContentTypeFromFileType( file_type ));
return( FileUtil.getFileOrDirectorySize( file ));
}
public void
setProperty(
String name,
Object value )
{
setPropertySupport( name, value );
}
public ResourceDownloaderBaseImpl
getClone(
ResourceDownloaderBaseImpl parent )
{
ResourceDownloaderFileImpl c = new ResourceDownloaderFileImpl( getParent(), file );
return( c );
}
public InputStream
download()
throws ResourceDownloaderException
{
asyncDownload();
done_sem.reserve();
if ( result instanceof ResourceDownloaderException ){
throw((ResourceDownloaderException)result);
}
return((InputStream)result);
}
public void
asyncDownload()
{
try{
this_mon.enter();
if ( !cancelled ){
informActivity( getLogIndent() + ( file.isDirectory()?"Processing: ":"Downloading: " ) + getName());
final Object parent_tls = TorrentUtils.getTLS();
AEThread2 t =
new AEThread2( "ResourceDownloaderTimeout", true )
{
public void
run()
{
Object child_tls = TorrentUtils.getTLS();
TorrentUtils.setTLS( parent_tls );
try{
// download of a local dir -> null inputstream
if ( file.isDirectory()){
completed( ResourceDownloaderFileImpl.this, null );
}else{
completed( ResourceDownloaderFileImpl.this, new FileInputStream( file ));
}
}catch( Throwable e ){
failed( ResourceDownloaderFileImpl.this, new ResourceDownloaderException( ResourceDownloaderFileImpl.this, "Failed to read file", e ));
Debug.printStackTrace( e );
}finally{
TorrentUtils.setTLS( child_tls );
}
}
};
t.start();
}
}finally{
this_mon.exit();
}
}
public void
cancel()
{
cancel( new ResourceDownloaderCancelledException( this ));
}
protected void
cancel(
ResourceDownloaderException reason )
{
setCancelled();
try{
this_mon.enter();
result = reason;
cancelled = true;
informFailed((ResourceDownloaderException)result );
}finally{
this_mon.exit();
}
}
public boolean
completed(
ResourceDownloader downloader,
InputStream data )
{
if (informComplete( data )){
result = data;
done_sem.release();
return( true );
}
return( false );
}
public void
failed(
ResourceDownloader downloader,
ResourceDownloaderException e )
{
result = e;
done_sem.release();
informFailed( e );
}
}