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   1 /**
   2  * Copyright (c) 2010-2024 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.siemenshvac.internal.handler;
  14
  15 import java.net.URL;
  16 import java.net.URLConnection;
  17 import java.text.DateFormat;
  18 import java.text.MessageFormat;
  19 import java.text.SimpleDateFormat;
  20 import java.time.LocalDate;
  21 import java.util.Collection;
  22 import java.util.Locale;
  23 import java.util.Set;
  24 import java.util.concurrent.TimeUnit;
  25
  26 import org.eclipse.jdt.annotation.NonNullByDefault;
  27 import org.eclipse.jdt.annotation.Nullable;
  28 import org.openhab.binding.siemenshvac.internal.discovery.SiemensHvacDeviceDiscoveryService;
  29 import org.openhab.binding.siemenshvac.internal.metadata.SiemensHvacMetadataRegistry;
  30 import org.openhab.binding.siemenshvac.internal.network.SiemensHvacConnector;
  31 import org.openhab.binding.siemenshvac.internal.type.SiemensHvacException;
  32 import org.openhab.core.i18n.TranslationProvider;
  33 import org.openhab.core.io.net.http.HttpClientFactory;
  34 import org.openhab.core.net.NetworkAddressService;
  35 import org.openhab.core.thing.Bridge;
  36 import org.openhab.core.thing.ChannelUID;
  37 import org.openhab.core.thing.ThingStatus;
  38 import org.openhab.core.thing.ThingStatusDetail;
  39 import org.openhab.core.thing.binding.BaseBridgeHandler;
  40 import org.openhab.core.thing.binding.ThingHandlerService;
  41 import org.openhab.core.types.Command;
  42 import org.osgi.framework.BundleContext;
  43 import org.osgi.framework.FrameworkUtil;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 /**
  48  * The {@link SiemensHvacBridgeBaseThingHandler} is responsible for handling commands, which are
  49  * sent to one of the channels.
  50  *
  51  * @author Laurent Arnal - Initial contribution and API
  52  */
  53 @NonNullByDefault
  54 public class SiemensHvacBridgeThingHandler extends BaseBridgeHandler {
  55
  56     private final Logger logger = LoggerFactory.getLogger(SiemensHvacBridgeThingHandler.class);
  57     private @Nullable SiemensHvacDeviceDiscoveryService discoveryService;
  58     private final @Nullable HttpClientFactory httpClientFactory;
  59     private final SiemensHvacMetadataRegistry metaDataRegistry;
  60     private @Nullable SiemensHvacBridgeConfig config;
  61     private final TranslationProvider translationProvider;
  62
  63     public SiemensHvacBridgeThingHandler(Bridge bridge, @Nullable NetworkAddressService networkAddressService,
  64             @Nullable HttpClientFactory httpClientFactory, SiemensHvacMetadataRegistry metaDataRegistry,
  65             TranslationProvider translationProvider) {
  66         super(bridge);
  67         SiemensHvacConnector lcConnector = null;
  68         this.httpClientFactory = httpClientFactory;
  69         this.metaDataRegistry = metaDataRegistry;
  70         this.translationProvider = translationProvider;
  71
  72         lcConnector = this.metaDataRegistry.getSiemensHvacConnector();
  73         if (lcConnector != null) {
  74             lcConnector.setSiemensHvacBridgeBaseThingHandler(this);
  75         }
  76     }
  77
  78     @Override
  79     public void handleCommand(ChannelUID channelUID, Command command) {
  80     }
  81
  82     @Override
  83     public void dispose() {
  84         metaDataRegistry.invalidate();
  85     }
  86
  87     @Override
  88     public void initialize() {
  89         SiemensHvacBridgeConfig lcConfig = getConfigAs(SiemensHvacBridgeConfig.class);
  90         String baseUrl = null;
  91
  92         if (logger.isDebugEnabled()) {
  93             logger.debug("Initialize() bridge: {}", getBuildDate());
  94         }
  95
  96         baseUrl = lcConfig.baseUrl;
  97
  98         if (baseUrl.isEmpty()) {
  99             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.OFFLINE.CONFIGURATION_ERROR,
 100                     "@text/offline.error-gateway-init");
 101             return;
 102         }
 103
 104         if (!baseUrl.startsWith("http://") && !baseUrl.startsWith("https://")) {
 105             baseUrl = "http://" + baseUrl;
 106         }
 107
 108         if (!baseUrl.endsWith("/")) {
 109             baseUrl = baseUrl + "/";
 110         }
 111
 112         config = lcConfig;
 113
 114         updateStatus(ThingStatus.UNKNOWN, ThingStatusDetail.NONE, "@text/offline.waiting-bridge-initialization");
 115
 116         // Will read metadata in background to not block initialize for a long period !
 117         scheduler.schedule(this::initializeCode, 1, TimeUnit.SECONDS);
 118     }
 119
 120     protected String getBuildDate() {
 121         try {
 122             ClassLoader cl = getClass().getClassLoader();
 123             if (cl != null) {
 124                 URL res = cl.getResource(getClass().getCanonicalName().replace('.', '/') + ".class");
 125                 if (res != null) {
 126                     URLConnection cnx = res.openConnection();
 127                     LocalDate dt = LocalDate.ofEpochDay(cnx.getLastModified());
 128                     DateFormat df = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss");
 129                     return df.format(dt);
 130                 }
 131             }
 132
 133         } catch (Exception ex) {
 134         }
 135         return "unknown";
 136     }
 137
 138     public static String getStackTrace(final Throwable throwable) {
 139         StringBuffer sb = new StringBuffer();
 140
 141         Throwable current = throwable;
 142         while (current != null) {
 143             sb.append(current.getLocalizedMessage());
 144             sb.append(",\r\n");
 145
 146             Throwable cause = throwable.getCause();
 147             if (cause != null) {
 148                 if (!cause.equals(throwable)) {
 149                     current = current.getCause();
 150                 } else {
 151                     current = null;
 152                 }
 153             } else {
 154                 current = null;
 155             }
 156         }
 157         return sb.toString();
 158     }
 159
 160     private void initializeCode() {
 161         try {
 162             metaDataRegistry.readMeta();
 163             updateStatus(ThingStatus.ONLINE);
 164         } catch (SiemensHvacException ex) {
 165             Locale local = metaDataRegistry.getUserLocale();
 166             BundleContext bundleContext = FrameworkUtil.getBundle(this.getClass()).getBundleContext();
 167             String text = translationProvider.getText(bundleContext.getBundle(), "offline.error-gateway-init",
 168                     "DefaultValue", local);
 169
 170             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
 171                     MessageFormat.format(text, ex.getMessage()));
 172         }
 173     }
 174
 175     public @Nullable SiemensHvacBridgeConfig getBridgeConfiguration() {
 176         return config;
 177     }
 178
 179     @Override
 180     public void updateStatus(ThingStatus status, ThingStatusDetail statusDetail, @Nullable String description) {
 181         super.updateStatus(status, statusDetail, description);
 182     }
 183
 184     public boolean registerDiscoveryListener(SiemensHvacDeviceDiscoveryService listener) {
 185         SiemensHvacDeviceDiscoveryService lcDiscoveryService = discoveryService;
 186         if (lcDiscoveryService == null) {
 187             lcDiscoveryService = listener;
 188             lcDiscoveryService.setSiemensHvacMetadataRegistry(metaDataRegistry);
 189             return true;
 190         }
 191
 192         return false;
 193     }
 194
 195     public boolean unregisterDiscoveryListener() {
 196         SiemensHvacDeviceDiscoveryService lcDiscoveryService = discoveryService;
 197         if (lcDiscoveryService != null) {
 198             discoveryService = null;
 199             return true;
 200         }
 201
 202         return false;
 203     }
 204
 205     public @Nullable HttpClientFactory getHttpClientFactory() {
 206         return this.httpClientFactory;
 207     }
 208
 209     @Override
 210     public Collection<Class<? extends ThingHandlerService>> getServices() {
 211         return Set.of(SiemensHvacDeviceDiscoveryService.class);
 212     }
 213 }