AOO410/test/testcommon/source/org/openoffice/test/vcl/client/Handshaker.java

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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package org.openoffice.test.vcl.client;

import java.util.logging.Level;
import java.util.logging.Logger;


/**
 * 
 * The class is used to handle handshake package
 *
 */
public class Handshaker implements CommunicationListener, Constant {

	private static Logger logger = Logger.getLogger("Handshaker");
	
	private CommunicationManager communicationManager = null;
	
	public Handshaker(CommunicationManager communicationManager) {
		this.communicationManager = communicationManager;
		this.communicationManager.addListener(this);
	}

	public void received(int headerType, byte[] header, byte[] data) {
		if (headerType == CH_Handshake) {
			int handshakeType = data[1] + ((data[0] & 255) << 8);
			switch (handshakeType) {
			case CH_REQUEST_HandshakeAlive:
				logger.log(Level.CONFIG, "Receive Handshake - CH_REQUEST_HandshakeAlive");
				sendHandshake(CH_RESPONSE_HandshakeAlive);
				break;
			case CH_REQUEST_ShutdownLink:
				logger.log(Level.CONFIG, "Receive Handshake - CH_REQUEST_ShutdownLink");
				sendHandshake(CH_ShutdownLink);
				break;
			case CH_ShutdownLink:
				logger.log(Level.CONFIG, "Receive Handshake - CH_ShutdownLink");
				communicationManager.stop();
				break;
			case CH_SetApplication:
				//String len
//				int len = data[2] + ((data[3] & 255) << 8);
//				String app = new String(data, 4, data.length - 4);
				logger.log(Level.CONFIG, "Receive Handshake - CH_SetApplication - app");
				//sendHandshake(CH_SetApplication);
				break;
			default:
			}
		}
	}
	public void sendHandshake(int handshakeType) {
		sendHandshake(handshakeType, new byte[0]);
	}
	public void sendHandshake(int handshakeType, byte[] data) {
		byte[] realData = new byte[data.length + 2];
		realData[0] = (byte) ((handshakeType >>> 8) & 0xFF);
		realData[1] = (byte) ((handshakeType >>> 0) & 0xFF);
		System.arraycopy(data, 0, realData, 2, data.length);
		communicationManager.sendPackage(CH_Handshake, null, realData);
	}

	public void start() {
	}

	public void stop() {
	}
}