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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.plugwise.internal;
  14
  15 import java.io.IOException;
  16 import java.util.function.Supplier;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.openhab.binding.plugwise.internal.config.PlugwiseStickConfig;
  20 import org.openhab.binding.plugwise.internal.listener.PlugwiseMessageListener;
  21 import org.openhab.binding.plugwise.internal.protocol.Message;
  22 import org.openhab.binding.plugwise.internal.protocol.field.MACAddress;
  23 import org.openhab.core.io.transport.serial.SerialPortManager;
  24 import org.openhab.core.thing.ThingUID;
  25
  26 /**
  27  * The {@link PlugwiseCommunicationHandler} handles all serial communication with the Plugwise Stick.
  28  *
  29  * @author Wouter Born, Karel Goderis - Initial contribution
  30  */
  31 @NonNullByDefault
  32 public class PlugwiseCommunicationHandler {
  33
  34     private final PlugwiseCommunicationContext context;
  35     private final PlugwiseMessageProcessor messageProcessor;
  36     private final PlugwiseMessageSender messageSender;
  37
  38     private boolean initialized = false;
  39
  40     public PlugwiseCommunicationHandler(ThingUID bridgeUID, Supplier<PlugwiseStickConfig> configurationSupplier,
  41             SerialPortManager serialPortManager) {
  42         context = new PlugwiseCommunicationContext(bridgeUID, configurationSupplier, serialPortManager);
  43         messageProcessor = new PlugwiseMessageProcessor(context);
  44         messageSender = new PlugwiseMessageSender(context);
  45     }
  46
  47     public void addMessageListener(PlugwiseMessageListener listener) {
  48         context.getFilteredListeners().addListener(listener);
  49     }
  50
  51     public void addMessageListener(PlugwiseMessageListener listener, MACAddress macAddress) {
  52         context.getFilteredListeners().addListener(listener, macAddress);
  53     }
  54
  55     public void removeMessageListener(PlugwiseMessageListener listener) {
  56         context.getFilteredListeners().removeListener(listener);
  57     }
  58
  59     public void sendMessage(Message message, PlugwiseMessagePriority priority) throws IOException {
  60         if (initialized) {
  61             messageSender.sendMessage(message, priority);
  62         }
  63     }
  64
  65     public void start() throws PlugwiseInitializationException {
  66         try {
  67             context.clearQueues();
  68             context.initializeSerialPort();
  69             messageSender.start();
  70             messageProcessor.start();
  71             initialized = true;
  72         } catch (PlugwiseInitializationException e) {
  73             initialized = false;
  74             throw e;
  75         }
  76     }
  77
  78     public void stop() {
  79         messageSender.stop();
  80         messageProcessor.stop();
  81         context.closeSerialPort();
  82         initialized = false;
  83     }
  84 }