/* * @(#)ParallelBlackBox.java	1.4 98/10/20 SMI * * Author: Tom Corson * * Copyright (c) 1998 Sun Microsystems, Inc. All Rights Reserved. * * Sun grants you ("Licensee") a non-exclusive, royalty free, license  * to use, modify and redistribute this software in source and binary * code form, provided that i) this copyright notice and license appear * on all copies of the software; and ii) Licensee does not utilize the * software in a manner which is disparaging to Sun. * * This software is provided "AS IS," without a warranty of any kind. * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND * ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE * SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS * BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, * HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING * OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * This software is not designed or intended for use in on-line control * of aircraft, air traffic, aircraft navigation or aircraft * communications; or in the design, construction, operation or * maintenance of any nuclear facility. Licensee represents and * warrants that it will not use or redistribute the Software for such * purposes. */import java.io.*;import java.awt.Frame;import java.awt.FlowLayout;import java.awt.Color;import java.awt.Insets;import java.awt.Dimension;import java.awt.event.WindowListener;import java.awt.event.WindowEvent;import java.util.Enumeration;import javax.comm.CommPort;import javax.comm.CommPortIdentifier;import javax.comm.ParallelPort;import javax.comm.NoSuchPortException;import javax.comm.PortInUseException;public class ParallelBlackBox extends Frame implements WindowListener{	static int			portNum = 0,					panelNum = 0,					rcvDelay = 0;	static ParallelPortDisplay[]	portDisp;	static ParallelBlackBox 	win;	static boolean			threaded = true,					friendly = false;	public ParallelBlackBox()	{		super("Parallel Port Black Box Tester");		addNotify();		addWindowListener(this);	}	public void windowIconified(WindowEvent event)	{	}	public void windowDeiconified(WindowEvent event)	{	}	public void windowOpened(WindowEvent event)	{	}	public void windowClosed(WindowEvent event)	{	}	public void windowActivated(WindowEvent event)	{	}	public void windowDeactivated(WindowEvent event)	{	}	public void windowClosing(WindowEvent event)	{		cleanup();		dispose();		System.exit(0);	}	public static void main(String[] args)	{		Enumeration 		ports;		CommPortIdentifier	portId;		boolean			allPorts = true,					lineMonitor = false;		int			idx = 0;		win = new ParallelBlackBox();		win.setLayout(new FlowLayout());		win.setBackground(Color.gray);		portDisp = new ParallelPortDisplay[4];		while (args.length > idx)		{			if (args[idx].equals("-h"))			{				printUsage();			}			else if (args[idx].equals("-f"))			{				friendly = true;					System.out.println("Friendly mode");			}			else if (args[idx].equals("-n"))			{				threaded = false;					System.out.println("No threads");			}			else if (args[idx].equals("-l"))			{				lineMonitor = true;					System.out.println("Line Monitor mode");			}			else if (args[idx].equals("-d"))			{				idx++;				rcvDelay = new Integer(args[idx]).intValue();					System.out.println("Receive delay = "						  + rcvDelay + " msecs");			}			else if (args[idx].equals("-p"))			{				idx++;				while (args.length > idx)				{					/*					 *  Get the specific port					 */							try					{						portId = 						   CommPortIdentifier.getPortIdentifier(args[idx]);						System.out.println("Opening port "							    + portId.getName());							win.addPort(portId);					}						catch (NoSuchPortException e)					{						System.out.println("Port "								  + args[idx]								  + " not found!");					}					idx++;				}				allPorts = false;				break;			}			else			{				System.out.println("Unknown option "						  + args[idx]);				printUsage();			}			idx++;		}		if (allPorts)		{			/*			 *  Get an enumeration of all of the comm ports 			 *  on the machine			 */				ports = CommPortIdentifier.getPortIdentifiers();				if (ports == null)			{				System.out.println("No comm ports found!");					return;			}			while (ports.hasMoreElements())			{				/*				 *  Get the specific port				 */					portId = (CommPortIdentifier) 							ports.nextElement();				win.addPort(portId);			}		}		if (portNum > 0)		{			if (lineMonitor)			{				if (portNum >= 2)				{					portDisp[0].setLineMonitor(portDisp[1], 								   true);				}				else				{					System.out.println("Need 2 ports for line monitor!");					System.exit(0);				}			}		}		else		{			System.out.println("No parallel ports found!");			System.exit(0);		}    	}	private void addPort(CommPortIdentifier	portId)	{		/*		 *  Is this a parallel port?		 */		if (portId.getPortType()		 == CommPortIdentifier.PORT_PARALLEL)		{			//  Is the port in use?				if (portId.isCurrentlyOwned())			{				System.out.println("Detected "						   + portId.getName()						   + " in use by "						   + portId.getCurrentOwner());			}			/*			 *  Open the port and add it to our GUI			 */			try			{				portDisp[portNum] = new 					ParallelPortDisplay(portId, 							  threaded,							  friendly,							  rcvDelay,							  win);				this.portNum++;			}			catch (PortInUseException e)			{				System.out.println(portId.getName()						   + " in use by "						   + e.currentOwner);			}		}	}	public void addPanel(ParallelPortDisplay	panel)	{		Dimension	dim;		Insets		ins;		win.add(panel);		win.validate();		dim = panel.getSize();		ins = win.getInsets();		dim.height = ((this.panelNum + 1) * (dim.height + ins.top				                  + ins.bottom)) + 10;		dim.width = dim.width + ins.left + ins.right + 20;		win.setSize(dim);		win.show();		panelNum++;	}	static void printUsage()	{		System.out.println("Usage: ParallelBlackBox [-h] | [-f] [-l] [-n] [-d receive_delay] [-p ports]");		System.out.println("Where:");		System.out.println("\t-h	this usage message");		System.out.println("\t-f	friendly - relinquish port if requested");		System.out.println("\t-l	run as a line monitor");		System.out.println("\t-n	do not use receiver threads");		System.out.println("\t-d	sleep for receive_delay msecs after each read");		System.out.println("\t-p	list of ports to open (separated by spaces)");		System.exit(0);	}	private void cleanup()	{		ParallelPort	p;		while (portNum > 0)		{			portNum--;			panelNum--;			/*			 *  Close the port			 */			p = portDisp[portNum].getPort();			if (p != null)			{				System.out.println("Closing port "						   + portNum 						   + " ("						   + p.getName()						   + ")");				portDisp[portNum].closePBBPort();			}		}	}}