1 /** 2 This file is part of GoldenGate Project (named also GoldenGate or GG). 3 4 Copyright 2009, Frederic Bregier, and individual contributors by the @author 5 tags. See the COPYRIGHT.txt in the distribution for a full listing of 6 individual contributors. 7 8 All GoldenGate Project is free software: you can redistribute it and/or 9 modify it under the terms of the GNU General Public License as published 10 by the Free Software Foundation, either version 3 of the License, or 11 (at your option) any later version. 12 13 GoldenGate is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GoldenGate . If not, see <http://www.gnu.org/licenses/>. 20 */ 21 package openr66.client; 22 23 import openr66.protocol.exception.OpenR66ProtocolBusinessException; 24 25 import org.jboss.netty.buffer.ChannelBuffer; 26 27 /** 28 * Class to be implemented for {@link RecvThroughClient} 29 * 30 * @author Frederic Bregier 31 * 32 */ 33 public abstract class RecvThroughHandler { 34 /** 35 * This method will be called for each valid packet received to be written 36 * @param buffer 37 * @exception OpenR66ProtocolBusinessException This exception has to be throw if any error 38 * occurs during write in business process. 39 */ 40 abstract public void writeChannelBuffer(ChannelBuffer buffer) 41 throws OpenR66ProtocolBusinessException; 42 43 /** 44 * Facility function to read from buffer and transfer to an array of bytes 45 * @param buffer 46 * @return the array of bytes 47 */ 48 protected byte[] getByte(ChannelBuffer buffer) { 49 byte [] dst = new byte[buffer.readableBytes()]; 50 buffer.readBytes(dst, 0, dst.length); 51 return dst; 52 } 53 }