2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
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
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.velux.internal.handler;
15 import org.eclipse.jdt.annotation.NonNullByDefault;
16 import org.eclipse.jdt.annotation.Nullable;
17 import org.openhab.binding.velux.internal.VeluxItemType;
18 import org.openhab.binding.velux.internal.bridge.VeluxBridgeLANConfig;
19 import org.openhab.binding.velux.internal.handler.utils.StateUtils;
20 import org.openhab.core.thing.ChannelUID;
21 import org.openhab.core.types.State;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
26 * <B>Channel-specific retrieval and modification.</B>
28 * This class implements the Channels <B>ipAddress</B>, <B>subnetMask</B>, <B>defaultGW</B> and <B>DHCP</B> of the Thing
31 * <LI><I>Velux</I> <B>bridge</B> → <B>OpenHAB</B>:
33 * Information retrieval by method {@link #handleRefresh}.</LI>
36 * @author Guenther Schreiner - Initial contribution.
39 final class ChannelBridgeLANconfig extends ChannelHandlerTemplate {
40 private static final Logger LOGGER = LoggerFactory.getLogger(ChannelBridgeLANconfig.class);
43 * ************************
44 * ***** Constructors *****
47 // Suppress default constructor for non-instantiability
49 private ChannelBridgeLANconfig() {
50 throw new AssertionError();
54 * Communication method to retrieve information to update the channel value.
56 * @param channelUID The item passed as type {@link ChannelUID} for which a refresh is intended.
57 * @param channelId The same item passed as type {@link String} for which a refresh is intended.
58 * @param thisBridgeHandler The Velux bridge handler with a specific communication protocol which provides
59 * information for this channel.
60 * @return newState The value retrieved for the passed channel, or <I>null</I> in case if there is no (new) value.
62 static @Nullable State handleRefresh(ChannelUID channelUID, String channelId,
63 VeluxBridgeHandler thisBridgeHandler) {
64 LOGGER.debug("handleRefresh({},{},{}) called.", channelUID, channelId, thisBridgeHandler);
65 State newState = null;
66 thisBridgeHandler.bridgeParameters.lanConfig = new VeluxBridgeLANConfig()
67 .retrieve(thisBridgeHandler.thisBridge);
68 if (thisBridgeHandler.bridgeParameters.lanConfig.isRetrieved) {
69 VeluxItemType itemType = VeluxItemType.getByThingAndChannel(thisBridgeHandler.thingTypeUIDOf(channelUID),
73 newState = StateUtils.createState(thisBridgeHandler.bridgeParameters.lanConfig.openHABipAddress);
75 case BRIDGE_SUBNETMASK:
76 newState = StateUtils.createState(thisBridgeHandler.bridgeParameters.lanConfig.openHABsubnetMask);
78 case BRIDGE_DEFAULTGW:
79 newState = StateUtils.createState(thisBridgeHandler.bridgeParameters.lanConfig.openHABdefaultGW);
82 newState = StateUtils.createState(thisBridgeHandler.bridgeParameters.lanConfig.openHABenabledDHCP);
86 LOGGER.trace("handleRefresh() returns {}.", newState);