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   1 /**
   2  * Copyright (c) 2010-2020 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
  14 package org.openhab.binding.ipcamera.internal;
  15
  16 import static org.openhab.binding.ipcamera.internal.IpCameraBindingConstants.*;
  17
  18 import java.util.ArrayList;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.eclipse.jdt.annotation.Nullable;
  22 import org.openhab.binding.ipcamera.internal.handler.IpCameraHandler;
  23 import org.openhab.core.library.types.OnOffType;
  24 import org.openhab.core.thing.ChannelUID;
  25 import org.openhab.core.thing.binding.ThingHandler;
  26 import org.openhab.core.types.Command;
  27 import org.openhab.core.types.RefreshType;
  28
  29 import io.netty.channel.ChannelDuplexHandler;
  30 import io.netty.channel.ChannelHandlerContext;
  31 import io.netty.util.ReferenceCountUtil;
  32
  33 /**
  34  * The {@link DoorBirdHandler} is responsible for handling commands, which are
  35  * sent to one of the channels.
  36  *
  37  * @author Matthew Skinner - Initial contribution
  38  */
  39
  40 @NonNullByDefault
  41 public class DoorBirdHandler extends ChannelDuplexHandler {
  42     private IpCameraHandler ipCameraHandler;
  43
  44     public DoorBirdHandler(ThingHandler handler) {
  45         ipCameraHandler = (IpCameraHandler) handler;
  46     }
  47
  48     // This handles the incoming http replies back from the camera.
  49     @Override
  50     public void channelRead(@Nullable ChannelHandlerContext ctx, @Nullable Object msg) throws Exception {
  51         if (msg == null || ctx == null) {
  52             return;
  53         }
  54         try {
  55             String content = msg.toString();
  56             ipCameraHandler.logger.trace("HTTP Result back from camera is \t:{}:", content);
  57             if (content.contains("doorbell:H")) {
  58                 ipCameraHandler.setChannelState(CHANNEL_DOORBELL, OnOffType.ON);
  59             }
  60             if (content.contains("doorbell:L")) {
  61                 ipCameraHandler.setChannelState(CHANNEL_DOORBELL, OnOffType.OFF);
  62             }
  63             if (content.contains("motionsensor:L")) {
  64                 ipCameraHandler.noMotionDetected(CHANNEL_MOTION_ALARM);
  65             }
  66             if (content.contains("motionsensor:H")) {
  67                 ipCameraHandler.motionDetected(CHANNEL_MOTION_ALARM);
  68             }
  69         } finally {
  70             ReferenceCountUtil.release(msg);
  71         }
  72     }
  73
  74     // This handles the commands that come from the Openhab event bus.
  75     public void handleCommand(ChannelUID channelUID, Command command) {
  76         if (command instanceof RefreshType) {
  77             return;
  78         } // end of "REFRESH"
  79         switch (channelUID.getId()) {
  80             case CHANNEL_ACTIVATE_ALARM_OUTPUT:
  81                 if (OnOffType.ON.equals(command)) {
  82                     ipCameraHandler.sendHttpGET("/bha-api/open-door.cgi");
  83                 }
  84                 return;
  85             case CHANNEL_ACTIVATE_ALARM_OUTPUT2:
  86                 if (OnOffType.ON.equals(command)) {
  87                     ipCameraHandler.sendHttpGET("/bha-api/open-door.cgi?r=2");
  88                 }
  89                 return;
  90             case CHANNEL_EXTERNAL_LIGHT:
  91                 if (OnOffType.ON.equals(command)) {
  92                     ipCameraHandler.sendHttpGET("/bha-api/light-on.cgi");
  93                 }
  94                 return;
  95         }
  96     }
  97
  98     // If a camera does not need to poll a request as often as snapshots, it can be
  99     // added here. Binding steps through the list.
 100     public ArrayList<String> getLowPriorityRequests() {
 101         ArrayList<String> lowPriorityRequests = new ArrayList<String>(1);
 102         return lowPriorityRequests;
 103     }
 104 }