File	Doc	Category	Size	Date	Package
BTPiece.java	API Doc	Azureus 3.0.3.4	4043	Sun Mar 04 21:08:16 GMT 2007	com.aelitis.azureus.core.peermanager.messaging.bittorrent

BTPiece

• java.lang.Object

Fields Summary
private byte	version
private final DirectByteBuffer[]	buffer
private String	description
private final int	piece_number
private final int	piece_offset
private final int	piece_length

Constructors Summary
public BTPiece(int piece_number, int piece_offset, DirectByteBuffer data, byte version) this.piece_number = piece_number; this.piece_offset = piece_offset; this.piece_length = data == null ? 0 : data.remaining( DirectByteBuffer.SS_MSG ); buffer[1] = data; this.version = version;

Methods Summary
public com.aelitis.azureus.core.peermanager.messaging.Message	deserialize(DirectByteBuffer data, byte version) if( data == null ) { throw new MessageException( "[" +getID() + "] decode error: data == null" ); } if( data.remaining( DirectByteBuffer.SS_MSG ) < 8 ) { throw new MessageException( "[" +getID()+ "] decode error: payload.remaining[" +data.remaining( DirectByteBuffer.SS_MSG )+ "] < 8" ); } int number = data.getInt( DirectByteBuffer.SS_MSG ); if( number < 0 ) { throw new MessageException( "[" +getID() +"] decode error: number < 0" ); } int offset = data.getInt( DirectByteBuffer.SS_MSG ); if( offset < 0 ) { throw new MessageException( "[" +getID() + "] decode error: offset < 0" ); } return new BTPiece( number, offset, data, version );
public void	destroy() if( buffer[0] != null ) buffer[0].returnToPool(); if( buffer[1] != null ) buffer[1].returnToPool();
public DirectByteBuffer[]	getData() if( buffer[0] == null ) { buffer[0] = DirectByteBufferPool.getBuffer( DirectByteBuffer.AL_MSG_BT_PIECE, 8 ); buffer[0].putInt( DirectByteBuffer.SS_MSG, piece_number ); buffer[0].putInt( DirectByteBuffer.SS_MSG, piece_offset ); buffer[0].flip( DirectByteBuffer.SS_MSG ); } return buffer;
public java.lang.String	getDescription() if( description == null ) { description = BTMessage.ID_BT_PIECE + " data for piece #" + piece_number + ":" + piece_offset + "->" + (piece_offset + piece_length -1); } return description;
public java.lang.String	getFeatureID() return BTMessage.BT_FEATURE_ID;
public int	getFeatureSubID() return BTMessage.SUBID_BT_PIECE;
public java.lang.String	getID() return BTMessage.ID_BT_PIECE;
public byte[]	getIDBytes() return BTMessage.ID_BT_PIECE_BYTES;
public DirectByteBuffer	getPieceData() return buffer[1];
public int	getPieceNumber() return piece_number;
public int	getPieceOffset() return piece_offset;
public int	getType() return Message.TYPE_DATA_PAYLOAD;
public byte	getVersion() return version;