peak-can-basic/src/main/java/peak/can/peak/basic/RcvEventDispatcher.java

71 lines
2.4 KiB
Java

/* SPDX-License-Identifier: LGPL-2.1-only */
/*
* $Id: RcvEventDispatcher.java 7391 2020-08-10 08:32:30Z Fabrice $
* @LastChange $Date: 2020-08-10 10:32:30 +0200 (Mon, 10 Aug 2020) $
*
* PCANBasic JAVA Interface.
*
* Copyright (C) 2001-2020 PEAK System-Technik GmbH <www.peak-system.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* PCAN is a registered Trademark of PEAK-System Germany GmbH
*
* Author: Jonathan Urban/Uwe Wilhelm/Fabrice Vergnaud
* Contact: <linux@peak-system.com>
* Maintainer: Fabrice Vergnaud <f.vergnaud@peak-system.com>
*/
package peak.can.basic;
/**
* This class is a gateway between the PCAN Light JNI and the application to dispatch the CAN Receive-Event.
*
* RcvEventDispatcher contains a public static method dispatchRcvEvent which is called from the JNI to notify the Java
* application when the handle of the Receive-Event detects a state change.
*/
public class RcvEventDispatcher
{
static private IRcvEventProcessor listener;
/**
* Gets the Receive-Event processor
* @return a IRcvEventProcessor
*/
public static IRcvEventProcessor getListener()
{
return listener;
}
/**
* Sets the Receive-Event processor
* @param listener a IRcvEventProcessor implementor
*/
public static void setListener(IRcvEventProcessor listener)
{
RcvEventDispatcher.listener = listener;
}
/**
* This static public method will call from JNI to process the Receive-Event
* by the listener
* @param channel CAN Channel to dispatch the event to.
*/
static public void dispatchRcvEvent(TPCANHandle channel)
{
if(listener != null)
listener.processRcvEvent(channel);
}
}