/*
* Created on Jan 19, 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.peermanager.messaging.azureus;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.gudy.azureus2.core3.util.DirectByteBuffer;
import com.aelitis.azureus.core.peermanager.messaging.Message;
import com.aelitis.azureus.core.peermanager.messaging.MessageException;
import com.aelitis.azureus.core.peermanager.messaging.MessagingUtil;
public class
AZHave
implements AZMessage
{
private final byte version;
private DirectByteBuffer buffer = null;
private int[] piece_numbers;
public
AZHave(
int[] _piece_numbers,
byte _version )
{
piece_numbers = _piece_numbers;
version = _version;
}
public String
getID()
{
return( AZMessage.ID_AZ_HAVE );
}
public byte[]
getIDBytes()
{
return( AZMessage.ID_AZ_HAVE_BYTES );
}
public String
getFeatureID()
{
return( AZMessage.AZ_FEATURE_ID );
}
public int
getFeatureSubID()
{
return( AZMessage.SUBID_ID_AZ_HAVE );
}
public int
getType()
{
return( Message.TYPE_PROTOCOL_PAYLOAD );
}
public byte getVersion() { return version; };
public String
getDescription()
{
StringBuffer str = new StringBuffer(piece_numbers.length*10);
for (int i=0;i<piece_numbers.length;i++){
if ( i > 0 ){
str.append(",");
}
str.append( piece_numbers[i] );
}
return( getID() + " " + str );
}
public int[]
getPieceNumbers()
{
return( piece_numbers );
}
public DirectByteBuffer[]
getData()
{
if ( buffer == null ){
Map map = new HashMap();
List l = new ArrayList( piece_numbers.length );
for (int i=0;i<piece_numbers.length;i++){
l.add( new Long( piece_numbers[i] ));
}
map.put( "pieces", l );
buffer = MessagingUtil.convertPayloadToBencodedByteStream( map, DirectByteBuffer.AL_MSG );
}
return new DirectByteBuffer[]{ buffer };
}
public Message
deserialize(
DirectByteBuffer data,
byte version )
throws MessageException
{
Map payload = MessagingUtil.convertBencodedByteStreamToPayload( data, 1, getID() );
List l = (List)payload.get( "pieces");
int[] pieces = new int[l.size()];
for (int i=0;i<pieces.length;i++){
pieces[i] = ((Long)l.get(i)).intValue();
}
AZHave message = new AZHave( pieces, version );
return( message );
}
public void
destroy()
{
if ( buffer != null ){
buffer.returnToPool();
}
}
}
|