2 * Copyright (c) 2010-2020 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.core.thing.ChannelUID;
18 import org.openhab.core.types.State;
19 import org.openhab.binding.velux.internal.VeluxBindingConstants;
20 import org.openhab.binding.velux.internal.VeluxItemType;
21 import org.openhab.binding.velux.internal.bridge.VeluxBridgeWLANConfig;
22 import org.openhab.binding.velux.internal.handler.utils.StateUtils;
23 import org.openhab.binding.velux.internal.handler.utils.ThingProperty;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
28 * <B>Channel-specific retrieval and modification.</B>
30 * This class implements the Channels <B>WLANSSID</B> and <B>WLANPassword</B> of the Thing <B>klf200</B> :
32 * <LI><I>Velux</I> <B>bridge</B> → <B>OpenHAB</B>:
34 * Information retrieval by method {@link #handleRefresh}.</LI>
37 * @author Guenther Schreiner - Initial contribution.
40 final class ChannelBridgeWLANconfig extends ChannelHandlerTemplate {
41 private static final Logger LOGGER = LoggerFactory.getLogger(ChannelBridgeWLANconfig.class);
44 * ************************
45 * ***** Constructors *****
48 // Suppress default constructor for non-instantiability
50 private ChannelBridgeWLANconfig() {
51 throw new AssertionError();
55 * Communication method to retrieve information to update the channel value.
57 * @param channelUID The item passed as type {@link ChannelUID} for which a refresh is intended.
58 * @param channelId The same item passed as type {@link String} for which a refresh is intended.
59 * @param thisBridgeHandler The Velux bridge handler with a specific communication protocol which provides
60 * information for this channel.
61 * @return newState The value retrieved for the passed channel, or <I>null</I> in case if there is no (new) value.
63 static @Nullable State handleRefresh(ChannelUID channelUID, String channelId,
64 VeluxBridgeHandler thisBridgeHandler) {
65 LOGGER.debug("handleRefresh({},{},{}) called.", channelUID, channelId, thisBridgeHandler);
66 State newState = null;
67 thisBridgeHandler.bridgeParameters.wlanConfig = new VeluxBridgeWLANConfig()
68 .retrieve(thisBridgeHandler.thisBridge);
69 if (thisBridgeHandler.bridgeParameters.wlanConfig.isRetrieved) {
70 VeluxItemType itemType = VeluxItemType.getByThingAndChannel(thisBridgeHandler.thingTypeUIDOf(channelUID),
74 newState = StateUtils.createState(thisBridgeHandler.bridgeParameters.lanConfig.openHABipAddress);
75 ThingProperty.setValue(thisBridgeHandler, VeluxBindingConstants.PROPERTY_BRIDGE_WLANSSID,
76 thisBridgeHandler.bridgeParameters.wlanConfig.openHABwlanSSID.toString());
78 case BRIDGE_WLANPASSWORD:
79 newState = StateUtils.createState(thisBridgeHandler.bridgeParameters.lanConfig.openHABsubnetMask);
80 ThingProperty.setValue(thisBridgeHandler, VeluxBindingConstants.PROPERTY_BRIDGE_WLANPASSWORD,
81 thisBridgeHandler.bridgeParameters.wlanConfig.openHABwlanPassword.toString());
86 LOGGER.trace("handleRefresh() returns {}.", newState);