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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 package org.openhab.binding.insteon.internal.handler;
14
15 import java.lang.reflect.Type;
16 import java.math.BigDecimal;
17 import java.util.ArrayList;
18 import java.util.Collections;
19 import java.util.HashMap;
20 import java.util.HashSet;
21 import java.util.List;
22 import java.util.Map;
23 import java.util.Set;
24 import java.util.stream.Collectors;
25 import java.util.stream.Stream;
26
27 import org.eclipse.jdt.annotation.NonNullByDefault;
28 import org.eclipse.jdt.annotation.Nullable;
29 import org.openhab.binding.insteon.internal.InsteonBinding;
30 import org.openhab.binding.insteon.internal.InsteonBindingConstants;
31 import org.openhab.binding.insteon.internal.config.InsteonChannelConfiguration;
32 import org.openhab.binding.insteon.internal.config.InsteonDeviceConfiguration;
33 import org.openhab.binding.insteon.internal.device.DeviceFeature;
34 import org.openhab.binding.insteon.internal.device.DeviceTypeLoader;
35 import org.openhab.binding.insteon.internal.device.InsteonAddress;
36 import org.openhab.binding.insteon.internal.device.InsteonDevice;
37 import org.openhab.core.thing.Bridge;
38 import org.openhab.core.thing.Channel;
39 import org.openhab.core.thing.ChannelUID;
40 import org.openhab.core.thing.Thing;
41 import org.openhab.core.thing.ThingStatus;
42 import org.openhab.core.thing.ThingStatusDetail;
43 import org.openhab.core.thing.binding.BaseThingHandler;
44 import org.openhab.core.thing.binding.ThingHandlerCallback;
45 import org.openhab.core.thing.type.ChannelTypeUID;
46 import org.openhab.core.types.Command;
47 import org.slf4j.Logger;
48 import org.slf4j.LoggerFactory;
49
50 import com.google.gson.Gson;
51 import com.google.gson.JsonParseException;
52 import com.google.gson.reflect.TypeToken;
53
54 /**
55  * The {@link InsteonDeviceHandler} is responsible for handling commands, which are
56  * sent to one of the channels.
57  *
58  * @author Rob Nielsen - Initial contribution
59  */
60 @NonNullByDefault
61 public class InsteonDeviceHandler extends BaseThingHandler {
62
63     private static final Set<String> ALL_CHANNEL_IDS = Collections.unmodifiableSet(Stream.of(
64             InsteonBindingConstants.AC_DELAY, InsteonBindingConstants.BACKLIGHT_DURATION,
65             InsteonBindingConstants.BATTERY_LEVEL, InsteonBindingConstants.BATTERY_PERCENT,
66             InsteonBindingConstants.BATTERY_WATERMARK_LEVEL, InsteonBindingConstants.BEEP,
67             InsteonBindingConstants.BOTTOM_OUTLET, InsteonBindingConstants.BUTTON_A, InsteonBindingConstants.BUTTON_B,
68             InsteonBindingConstants.BUTTON_C, InsteonBindingConstants.BUTTON_D, InsteonBindingConstants.BUTTON_E,
69             InsteonBindingConstants.BUTTON_F, InsteonBindingConstants.BUTTON_G, InsteonBindingConstants.BUTTON_H,
70             InsteonBindingConstants.BROADCAST_ON_OFF, InsteonBindingConstants.CONTACT,
71             InsteonBindingConstants.COOL_SET_POINT, InsteonBindingConstants.DIMMER, InsteonBindingConstants.FAN,
72             InsteonBindingConstants.FAN_MODE, InsteonBindingConstants.FAST_ON_OFF,
73             InsteonBindingConstants.FAST_ON_OFF_BUTTON_A, InsteonBindingConstants.FAST_ON_OFF_BUTTON_B,
74             InsteonBindingConstants.FAST_ON_OFF_BUTTON_C, InsteonBindingConstants.FAST_ON_OFF_BUTTON_D,
75             InsteonBindingConstants.FAST_ON_OFF_BUTTON_E, InsteonBindingConstants.FAST_ON_OFF_BUTTON_F,
76             InsteonBindingConstants.FAST_ON_OFF_BUTTON_G, InsteonBindingConstants.FAST_ON_OFF_BUTTON_H,
77             InsteonBindingConstants.HEAT_SET_POINT, InsteonBindingConstants.HUMIDITY,
78             InsteonBindingConstants.HUMIDITY_HIGH, InsteonBindingConstants.HUMIDITY_LOW,
79             InsteonBindingConstants.IS_COOLING, InsteonBindingConstants.IS_HEATING,
80             InsteonBindingConstants.KEYPAD_BUTTON_A, InsteonBindingConstants.KEYPAD_BUTTON_B,
81             InsteonBindingConstants.KEYPAD_BUTTON_C, InsteonBindingConstants.KEYPAD_BUTTON_D,
82             InsteonBindingConstants.KEYPAD_BUTTON_E, InsteonBindingConstants.KEYPAD_BUTTON_F,
83             InsteonBindingConstants.KEYPAD_BUTTON_G, InsteonBindingConstants.KEYPAD_BUTTON_H,
84             InsteonBindingConstants.KWH, InsteonBindingConstants.LAST_HEARD_FROM,
85             InsteonBindingConstants.LED_BRIGHTNESS, InsteonBindingConstants.LED_ONOFF,
86             InsteonBindingConstants.LIGHT_DIMMER, InsteonBindingConstants.LIGHT_LEVEL,
87             InsteonBindingConstants.LIGHT_LEVEL_ABOVE_THRESHOLD, InsteonBindingConstants.LOAD_DIMMER,
88             InsteonBindingConstants.LOAD_SWITCH, InsteonBindingConstants.LOAD_SWITCH_FAST_ON_OFF,
89             InsteonBindingConstants.LOAD_SWITCH_MANUAL_CHANGE, InsteonBindingConstants.LOWBATTERY,
90             InsteonBindingConstants.MANUAL_CHANGE, InsteonBindingConstants.MANUAL_CHANGE_BUTTON_A,
91             InsteonBindingConstants.MANUAL_CHANGE_BUTTON_B, InsteonBindingConstants.MANUAL_CHANGE_BUTTON_C,
92             InsteonBindingConstants.MANUAL_CHANGE_BUTTON_D, InsteonBindingConstants.MANUAL_CHANGE_BUTTON_E,
93             InsteonBindingConstants.MANUAL_CHANGE_BUTTON_F, InsteonBindingConstants.MANUAL_CHANGE_BUTTON_G,
94             InsteonBindingConstants.MANUAL_CHANGE_BUTTON_H, InsteonBindingConstants.NOTIFICATION,
95             InsteonBindingConstants.ON_LEVEL, InsteonBindingConstants.RAMP_DIMMER, InsteonBindingConstants.RAMP_RATE,
96             InsteonBindingConstants.RESET, InsteonBindingConstants.STAGE1_DURATION, InsteonBindingConstants.SWITCH,
97             InsteonBindingConstants.SYSTEM_MODE, InsteonBindingConstants.TAMPER_SWITCH,
98             InsteonBindingConstants.TEMPERATURE, InsteonBindingConstants.TEMPERATURE_LEVEL,
99             InsteonBindingConstants.TOP_OUTLET, InsteonBindingConstants.UPDATE, InsteonBindingConstants.WATTS)
100             .collect(Collectors.toSet()));
101
102     public static final String BROADCAST_GROUPS = "broadcastGroups";
103     public static final String BROADCAST_ON_OFF = "broadcastonoff";
104     public static final String CMD = "cmd";
105     public static final String CMD_RESET = "reset";
106     public static final String CMD_UPDATE = "update";
107     public static final String DATA = "data";
108     public static final String FIELD = "field";
109     public static final String FIELD_BATTERY_LEVEL = "battery_level";
110     public static final String FIELD_BATTERY_PERCENTAGE = "battery_percentage";
111     public static final String FIELD_BATTERY_WATERMARK_LEVEL = "battery_watermark_level";
112     public static final String FIELD_KWH = "kwh";
113     public static final String FIELD_LIGHT_LEVEL = "light_level";
114     public static final String FIELD_TEMPERATURE_LEVEL = "temperature_level";
115     public static final String FIELD_WATTS = "watts";
116     public static final String GROUP = "group";
117     public static final String METER = "meter";
118
119     public static final String HIDDEN_DOOR_SENSOR_PRODUCT_KEY = "F00.00.03";
120     public static final String MOTION_SENSOR_II_PRODUCT_KEY = "F00.00.24";
121     public static final String MOTION_SENSOR_PRODUCT_KEY = "0x00004A";
122     public static final String PLM_PRODUCT_KEY = "0x000045";
123     public static final String POWER_METER_PRODUCT_KEY = "F00.00.17";
124
125     private final Logger logger = LoggerFactory.getLogger(InsteonDeviceHandler.class);
126
127     private @Nullable InsteonDeviceConfiguration config;
128
129     public InsteonDeviceHandler(Thing thing) {
130         super(thing);
131     }
132
133     @Override
134     public void initialize() {
135         config = getConfigAs(InsteonDeviceConfiguration.class);
136
137         scheduler.execute(() -> {
138             if (getBridge() == null) {
139                 String msg = "An Insteon network bridge has not been selected for this device.";
140                 logger.warn("{} {}", thing.getUID().getAsString(), msg);
141
142                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
143                 return;
144             }
145
146             InsteonDeviceConfiguration config = this.config;
147             if (config == null) {
148                 String msg = "Insteon device configuration is null.";
149                 logger.warn("{} {}", thing.getUID().getAsString(), msg);
150
151                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
152                 return;
153             }
154             String address = config.getAddress();
155             if (!InsteonAddress.isValid(address)) {
156                 String msg = "Unable to start Insteon device, the insteon or X10 address '" + address
157                         + "' is invalid. It must be in the format 'AB.CD.EF' or 'H.U' (X10).";
158                 logger.warn("{} {}", thing.getUID().getAsString(), msg);
159
160                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
161                 return;
162             }
163
164             DeviceTypeLoader instance = DeviceTypeLoader.instance();
165             if (instance == null) {
166                 String msg = "Device type loader is null.";
167                 logger.warn("{} {}", thing.getUID().getAsString(), msg);
168
169                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
170                 return;
171             }
172
173             String productKey = config.getProductKey();
174             if (instance.getDeviceType(productKey) == null) {
175                 String msg = "Unable to start Insteon device, invalid product key '" + productKey + "'.";
176                 logger.warn("{} {}", thing.getUID().getAsString(), msg);
177
178                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
179                 return;
180             }
181
182             String deviceConfig = config.getDeviceConfig();
183             Map<String, Object> deviceConfigMap;
184             if (deviceConfig != null) {
185                 Type mapType = new TypeToken<Map<String, Object>>() {
186                 }.getType();
187                 try {
188                     deviceConfigMap = new Gson().fromJson(deviceConfig, mapType);
189                 } catch (JsonParseException e) {
190                     String msg = "The device configuration parameter is not valid JSON.";
191                     logger.warn("{} {}", thing.getUID().getAsString(), msg);
192
193                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
194                     return;
195                 }
196             } else {
197                 deviceConfigMap = Collections.emptyMap();
198             }
199
200             InsteonBinding insteonBinding = getInsteonBinding();
201             InsteonAddress insteonAddress = new InsteonAddress(address);
202             if (insteonBinding.getDevice(insteonAddress) != null) {
203                 String msg = "A device already exists with the address '" + address + "'.";
204                 logger.warn("{} {}", thing.getUID().getAsString(), msg);
205
206                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
207                 return;
208             }
209
210             InsteonDevice device = insteonBinding.makeNewDevice(insteonAddress, productKey, deviceConfigMap);
211             if (device == null) {
212                 String msg = "Unable to create a device with the product key '" + productKey + "' with the address'"
213                         + address + "'.";
214                 logger.warn("{} {}", thing.getUID().getAsString(), msg);
215
216                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
217                 return;
218             }
219
220             ThingHandlerCallback callback = getCallback();
221             if (callback == null) {
222                 String msg = "Unable to get thing handler callback.";
223                 logger.warn("{} {}", thing.getUID().getAsString(), msg);
224
225                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
226                 return;
227             }
228
229             StringBuilder channelList = new StringBuilder();
230             List<Channel> channels = new ArrayList<>();
231             String thingId = getThing().getUID().getAsString();
232             for (String channelId : ALL_CHANNEL_IDS) {
233                 String feature = channelId.toLowerCase();
234
235                 if (productKey.equals(HIDDEN_DOOR_SENSOR_PRODUCT_KEY)) {
236                     if (feature.equalsIgnoreCase(InsteonBindingConstants.BATTERY_LEVEL)
237                             || feature.equalsIgnoreCase(InsteonBindingConstants.BATTERY_WATERMARK_LEVEL)) {
238                         feature = DATA;
239                     }
240                 } else if (productKey.equals(MOTION_SENSOR_PRODUCT_KEY)) {
241                     if (feature.equalsIgnoreCase(InsteonBindingConstants.BATTERY_LEVEL)
242                             || feature.equalsIgnoreCase(InsteonBindingConstants.LIGHT_LEVEL)) {
243                         feature = DATA;
244                     }
245                 } else if (productKey.equals(MOTION_SENSOR_II_PRODUCT_KEY)) {
246                     if (feature.equalsIgnoreCase(InsteonBindingConstants.BATTERY_LEVEL)
247                             || feature.equalsIgnoreCase(InsteonBindingConstants.BATTERY_PERCENT)
248                             || feature.equalsIgnoreCase(InsteonBindingConstants.LIGHT_LEVEL)
249                             || feature.equalsIgnoreCase(InsteonBindingConstants.TEMPERATURE_LEVEL)) {
250                         feature = DATA;
251                     }
252                 } else if (productKey.equals(PLM_PRODUCT_KEY)) {
253                     String parts[] = feature.split("#");
254                     if (parts.length == 2 && parts[0].equalsIgnoreCase(InsteonBindingConstants.BROADCAST_ON_OFF)
255                             && parts[1].matches("^\\d+$")) {
256                         feature = BROADCAST_ON_OFF;
257                     }
258                 } else if (productKey.equals(POWER_METER_PRODUCT_KEY)) {
259                     if (feature.equalsIgnoreCase(InsteonBindingConstants.KWH)
260                             || feature.equalsIgnoreCase(InsteonBindingConstants.RESET)
261                             || feature.equalsIgnoreCase(InsteonBindingConstants.UPDATE)
262                             || feature.equalsIgnoreCase(InsteonBindingConstants.WATTS)) {
263                         feature = METER;
264                     }
265                 }
266
267                 DeviceFeature f = device.getFeature(feature);
268                 if (f != null) {
269                     if (!f.isFeatureGroup()) {
270                         if (channelId.equals(InsteonBindingConstants.BROADCAST_ON_OFF)) {
271                             Set<String> broadcastChannels = new HashSet<>();
272                             for (Channel channel : thing.getChannels()) {
273                                 String id = channel.getUID().getId();
274                                 if (id.startsWith(InsteonBindingConstants.BROADCAST_ON_OFF)) {
275                                     addChannel(channel, id, channels, channelList);
276                                     broadcastChannels.add(id);
277                                 }
278                             }
279
280                             Object groups = deviceConfigMap.get(BROADCAST_GROUPS);
281                             if (groups != null) {
282                                 boolean valid = false;
283                                 if (groups instanceof List<?>) {
284                                     valid = true;
285                                     for (Object o : (List<?>) groups) {
286                                         if (o instanceof Double && (Double) o % 1 == 0) {
287                                             String id = InsteonBindingConstants.BROADCAST_ON_OFF + "#"
288                                                     + ((Double) o).intValue();
289                                             if (!broadcastChannels.contains(id)) {
290                                                 ChannelUID channelUID = new ChannelUID(thing.getUID(), id);
291                                                 ChannelTypeUID channelTypeUID = new ChannelTypeUID(
292                                                         InsteonBindingConstants.BINDING_ID,
293                                                         InsteonBindingConstants.SWITCH);
294                                                 Channel channel = callback
295                                                         .createChannelBuilder(channelUID, channelTypeUID).withLabel(id)
296                                                         .build();
297
298                                                 addChannel(channel, id, channels, channelList);
299                                                 broadcastChannels.add(id);
300                                             }
301                                         } else {
302                                             valid = false;
303                                             break;
304                                         }
305                                     }
306                                 }
307
308                                 if (!valid) {
309                                     String msg = "The value for key " + BROADCAST_GROUPS
310                                             + " must be an array of integers in the device configuration parameter.";
311                                     logger.warn("{} {}", thing.getUID().getAsString(), msg);
312
313                                     updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
314                                     return;
315                                 }
316                             }
317                         } else {
318                             ChannelUID channelUID = new ChannelUID(thing.getUID(), channelId);
319                             ChannelTypeUID channelTypeUID = new ChannelTypeUID(InsteonBindingConstants.BINDING_ID,
320                                     channelId);
321                             Channel channel = thing.getChannel(channelUID);
322                             if (channel == null) {
323                                 channel = callback.createChannelBuilder(channelUID, channelTypeUID).build();
324                             }
325
326                             addChannel(channel, channelId, channels, channelList);
327                         }
328                     } else {
329                         logger.debug("{} is a feature group for {}. It will not be added as a channel.", feature,
330                                 productKey);
331                     }
332                 }
333             }
334
335             if (!channels.isEmpty() || device.isModem()) {
336                 if (!channels.isEmpty()) {
337                     updateThing(editThing().withChannels(channels).build());
338                 }
339
340                 StringBuilder builder = new StringBuilder(thingId);
341                 builder.append(" address = ");
342                 builder.append(address);
343                 builder.append(" productKey = ");
344                 builder.append(productKey);
345                 builder.append(" channels = ");
346                 builder.append(channelList.toString());
347                 String msg = builder.toString();
348                 logger.debug("{}", msg);
349
350                 getInsteonNetworkHandler().initialized(getThing().getUID(), msg);
351
352                 channels.forEach(channel -> {
353                     if (isLinked(channel.getUID())) {
354                         channelLinked(channel.getUID());
355                     }
356                 });
357
358                 updateStatus(ThingStatus.ONLINE);
359             } else {
360                 String msg = "Product key '" + productKey
361                         + "' does not have any features that match existing channels.";
362
363                 logger.warn("{} {}", thing.getUID().getAsString(), msg);
364
365                 updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, msg);
366             }
367         });
368     }
369
370     private void addChannel(Channel channel, String channelId, List<Channel> channels, StringBuilder channelList) {
371         channels.add(channel);
372
373         if (channelList.length() > 0) {
374             channelList.append(", ");
375         }
376         channelList.append(channelId);
377     }
378
379     @Override
380     public void dispose() {
381         InsteonDeviceConfiguration config = this.config;
382         if (config != null) {
383             String address = config.getAddress();
384             if (getBridge() != null && InsteonAddress.isValid(address)) {
385                 getInsteonBinding().removeDevice(new InsteonAddress(address));
386
387                 logger.debug("removed {} address = {}", getThing().getUID().getAsString(), address);
388             }
389
390             getInsteonNetworkHandler().disposed(getThing().getUID());
391         }
392
393         super.dispose();
394     }
395
396     @Override
397     public void handleCommand(ChannelUID channelUID, Command command) {
398         logger.debug("channel {} was triggered with the command {}", channelUID.getAsString(), command);
399
400         getInsteonBinding().sendCommand(channelUID.getAsString(), command);
401     }
402
403     @Override
404     public void channelLinked(ChannelUID channelUID) {
405         if (getInsteonNetworkHandler().isChannelLinked(channelUID)) {
406             return;
407         }
408
409         Map<String, String> params = new HashMap<>();
410         Channel channel = getThing().getChannel(channelUID.getId());
411         if (channel == null) {
412             logger.warn("channel is null");
413             return;
414         }
415
416         Map<String, Object> channelProperties = channel.getConfiguration().getProperties();
417         for (String key : channelProperties.keySet()) {
418             Object value = channelProperties.get(key);
419             if (value instanceof String) {
420                 params.put(key, (String) value);
421             } else if (value instanceof BigDecimal) {
422                 String s = ((BigDecimal) value).toPlainString();
423                 params.put(key, s);
424             } else {
425                 logger.warn("not a string or big decimal value key '{}' value '{}' {}", key, value,
426                         value != null ? value.getClass().getName() : "unknown");
427             }
428         }
429
430         String feature = channelUID.getId().toLowerCase();
431         InsteonDeviceConfiguration config = this.config;
432         if (config == null) {
433             logger.warn("insteon device config is null");
434             return;
435         }
436         String productKey = config.getProductKey();
437         if (productKey.equals(HIDDEN_DOOR_SENSOR_PRODUCT_KEY)) {
438             if (feature.equalsIgnoreCase(InsteonBindingConstants.BATTERY_LEVEL)) {
439                 params.put(FIELD, FIELD_BATTERY_LEVEL);
440                 feature = DATA;
441             } else if (feature.equalsIgnoreCase(InsteonBindingConstants.BATTERY_WATERMARK_LEVEL)) {
442                 params.put(FIELD, FIELD_BATTERY_WATERMARK_LEVEL);
443                 feature = DATA;
444             }
445         } else if (productKey.equals(MOTION_SENSOR_PRODUCT_KEY)) {
446             if (feature.equalsIgnoreCase(InsteonBindingConstants.BATTERY_LEVEL)) {
447                 params.put(FIELD, FIELD_BATTERY_LEVEL);
448                 feature = DATA;
449             } else if (feature.equalsIgnoreCase(InsteonBindingConstants.LIGHT_LEVEL)) {
450                 params.put(FIELD, FIELD_LIGHT_LEVEL);
451                 feature = DATA;
452             }
453         } else if (productKey.equals(MOTION_SENSOR_II_PRODUCT_KEY)) {
454             if (feature.equalsIgnoreCase(InsteonBindingConstants.BATTERY_LEVEL)) {
455                 params.put(FIELD, FIELD_BATTERY_LEVEL);
456                 feature = DATA;
457             } else if (feature.equalsIgnoreCase(InsteonBindingConstants.BATTERY_PERCENT)) {
458                 params.put(FIELD, FIELD_BATTERY_PERCENTAGE);
459                 feature = DATA;
460             } else if (feature.equalsIgnoreCase(InsteonBindingConstants.LIGHT_LEVEL)) {
461                 params.put(FIELD, FIELD_LIGHT_LEVEL);
462                 feature = DATA;
463             } else if (feature.equalsIgnoreCase(InsteonBindingConstants.TEMPERATURE_LEVEL)) {
464                 params.put(FIELD, FIELD_TEMPERATURE_LEVEL);
465                 feature = DATA;
466             }
467         } else if (productKey.equals(PLM_PRODUCT_KEY)) {
468             String parts[] = feature.split("#");
469             if (parts.length == 2 && parts[0].equalsIgnoreCase(InsteonBindingConstants.BROADCAST_ON_OFF)
470                     && parts[1].matches("^\\d+$")) {
471                 params.put(GROUP, parts[1]);
472                 feature = BROADCAST_ON_OFF;
473             }
474         } else if (productKey.equals(POWER_METER_PRODUCT_KEY)) {
475             if (feature.equalsIgnoreCase(InsteonBindingConstants.KWH)) {
476                 params.put(FIELD, FIELD_KWH);
477             } else if (feature.equalsIgnoreCase(InsteonBindingConstants.WATTS)) {
478                 params.put(FIELD, FIELD_WATTS);
479             } else if (feature.equalsIgnoreCase(InsteonBindingConstants.RESET)) {
480                 params.put(CMD, CMD_RESET);
481             } else if (feature.equalsIgnoreCase(InsteonBindingConstants.UPDATE)) {
482                 params.put(CMD, CMD_UPDATE);
483             }
484
485             feature = METER;
486         }
487
488         InsteonChannelConfiguration bindingConfig = new InsteonChannelConfiguration(channelUID, feature,
489                 new InsteonAddress(config.getAddress()), productKey, params);
490         getInsteonBinding().addFeatureListener(bindingConfig);
491
492         StringBuilder builder = new StringBuilder(channelUID.getAsString());
493         builder.append(" feature = ");
494         builder.append(feature);
495         builder.append(" parameters = ");
496         builder.append(params);
497         String msg = builder.toString();
498         logger.debug("{}", msg);
499
500         getInsteonNetworkHandler().linked(channelUID, msg);
501     }
502
503     @Override
504     public void channelUnlinked(ChannelUID channelUID) {
505         getInsteonBinding().removeFeatureListener(channelUID);
506         getInsteonNetworkHandler().unlinked(channelUID);
507
508         logger.debug("channel {} unlinked ", channelUID.getAsString());
509     }
510
511     private InsteonNetworkHandler getInsteonNetworkHandler() {
512         Bridge bridge = getBridge();
513         if (bridge == null) {
514             throw new IllegalArgumentException("insteon network bridge is null");
515         }
516         InsteonNetworkHandler handler = (InsteonNetworkHandler) bridge.getHandler();
517         if (handler == null) {
518             throw new IllegalArgumentException("insteon network handler is null");
519         }
520         return handler;
521     }
522
523     private InsteonBinding getInsteonBinding() {
524         return getInsteonNetworkHandler().getInsteonBinding();
525     }
526 }