abstractjremserverlistener.java

JRemoteControl is a simple Java&#8482 driven bluetooth remote control.It allows you to initiate virt

/*
 * Copyright (C) 2007 Filippo Di Vattimo - See LICENSE
 *
 */

package fildiv.jremcntl.server.core;

import fildiv.jremcntl.common.core.Command;
import fildiv.jremcntl.common.core.Logger;
import fildiv.jremcntl.server.utils.JRemServerUtils;

public abstract class AbstractJRemServerListener 
	implements JRemServerEventsListener, JRemServerCommandEventsListener {

	private Logger logger;
	private JRemEnv env;

	public AbstractJRemServerListener(Logger logger) {
		
		if (logger == null)
			throw new IllegalArgumentException("Logger cannot be null");
		
		this.env = JRemEnv.getInstance();
		this.logger = logger;
	}
	
	public void onCommandDeviceProxyException(Command c, Exception e) {
		
		String msg = "Error processing output for command " + 
			JRemServerUtils.getCommandDescForLog(env, c);
		
		logger.error(msg);
		logger.error(e);
		
		printServerError(msg);
		printServerError(e);
	}
	
	public void onCommandRunException(Command c, Exception e) {

		String msg = "Error executing command " + 
		JRemServerUtils.getCommandDescForLog(env, c);		
		
		logger.error(msg);
		logger.error(e);
		
		printServerError(msg);
		printServerError(e);
	}

	public void onSendClientResultException(Command c, Exception e) {

		String msg = "Error while sending result to client running command " + 
			JRemServerUtils.getCommandDescForLog(env, c);
		
		logger.error(msg);
		logger.error(e);
		
		printServerError(msg);
		printServerError(e);
	}

	public void onServerExceptionOccurred(Exception e) {

		String msg = "A server exception has occurred";
		
		logger.error(msg);
		logger.error(e);
		
		printServerError(msg);
		printServerError(e);		
	}

	public void onConnectionListening() {
		printServerInfo("Listening for client connection ...");		
	}

	public void onClientCommandListening() {
		printServerInfo("Listening for client commands ...");
	}

	public void onCommandProcessStderr(String data) {
		printCmdStderr(data);
	}

	public void onCommandProcessStdout(String data) {
		printCmdStdout(data);
	}

	public void onCommandRun(Command c) {
		printServerInfo("Run command " + 
				JRemServerUtils.getCommandDescForLog(env, c));
	}

	public void onCommandTerminated(Command c, int exitCode) {
		printServerInfo("The command " + 
				JRemServerUtils.getCommandDescForLog(env, c) + " exits with code (" + exitCode + ")");
	}

	public void onDeviceConnected(String deviceName) {
		
		printServerInfo(deviceName + " connected ...");
	}

	public void onDeviceDisconnected() {
		printServerInfo("Device disconnected");
	}

	public void onServerStarted() {
		printServerInfo("Server running ...");
	}

	public void onServerStopped() {
		printServerInfo("Server not running");				
	}
		
	/*
	 * Override
	 */
	
	public abstract void printCmdStderr(String data);
	public abstract void printCmdStdout(String data);
	public abstract void printServerInfo(String msg);
	public abstract void printServerError(Exception e);
	public abstract void printServerError(String msg);
}