publickeypacket.java

来自「java语言开发的P2P流媒体系统」· Java 代码 · 共 62 行

/* 
 * P2P-Radio - Peer to peer streaming system
 * Project homepage: http://p2p-radio.sourceforge.net/
 * Copyright (C) 2003-2004 Michael Kaufmann <[e-mail]>
 * 
 * ---------------------------------------------------------------------------
 * 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
 * ---------------------------------------------------------------------------
 */

package p2pradio.packets;

public class PublicKeyPacket extends Packet
{
	private byte[] publicKey;
	
	public PublicKeyPacket(byte[] publicKey)
	{
		super(Packet.PUBLIC_KEY, new byte[getMaxLength()]);
		
		writeByteArray(publicKey);
		this.publicKey = publicKey;
	}
	
	protected PublicKeyPacket(byte content[], int contentLength)
	{
		super(content, contentLength);
		
		publicKey = readByteArray();
	}
	
	// Die Methode ist "public", weil sie von
	// Peer.java gebraucht wird
	public static int getMaxLength()
	{
		// Der Public Key war immer unter 130 Bytes lang
		return Packet.getMaxLength() + 150;
	}
	
	protected String getTypeString()
	{
		return "PublicKey"; //$NON-NLS-1$
	}
	
	public byte[] getPublicKey()
	{
		return publicKey;
	}
}