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rxtx-rebundled is a slightly modified version of the original rxtx 2.1-7r2. The only difference is: 1) It's a working mavenized library 2) There's just one JAR required. Nothing else. The native libs are bundled with the jar-file. 3) You don't have to care about "java.library.path". This version will on startup extract the correct native libs to system temp folder and loads them automatically. When JVM terminates, temp files will be removed.

There is a newer version: 2.1-7r2-6

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/*-------------------------------------------------------------------------
|   rxtx is a native interface to serial ports in java.
|   Copyright 1997-2004 by Trent Jarvi [email protected].
|
|   This library is free software; you can redistribute it and/or
|   modify it under the terms of the GNU Library General Public
|   License as published by the Free Software Foundation; either
|   version 2 of the License, or (at your option) any later version.
|
|   This library 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
|   Library General Public License for more details.
|
|   You should have received a copy of the GNU Library General Public
|   License along with this library; if not, write to the Free
|   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--------------------------------------------------------------------------*/
package gnu.io;
import java.util.*;

/**
* @author Trent Jarvi
* @version %I%, %G%
* @since JDK1.0
*/

public class SerialPortEvent extends EventObject
{
	public static final int DATA_AVAILABLE      =1;
	public static final int OUTPUT_BUFFER_EMPTY =2;
	public static final int CTS                 =3;
	public static final int DSR                 =4;
	public static final int RI                  =5;
	public static final int CD                  =6;
	public static final int OE                  =7;
	public static final int PE                  =8;
	public static final int FE                  =9;
	public static final int BI                 =10;

	private boolean OldValue;
	private boolean NewValue;
	private int eventType;
	/*public int eventType           =0; depricated */

	public SerialPortEvent(SerialPort srcport, int eventtype, boolean oldvalue, boolean newvalue)
	{
		super( srcport );	
		OldValue=oldvalue;
		NewValue=newvalue;
		eventType=eventtype;
	}
	public int getEventType()
	{
		return(eventType);
	}
	public boolean getNewValue()
	{
		return( NewValue );
	}
	public boolean getOldValue()
	{
		return( OldValue );
	}
}