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   1 /**
   2  * Copyright (c) 2010-2021 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.meteoblue.internal.handler;
  14
  15 import static org.openhab.binding.meteoblue.internal.MeteoBlueBindingConstants.THING_TYPE_BRIDGE;
  16
  17 import java.util.Collections;
  18 import java.util.Set;
  19
  20 import org.apache.commons.lang.StringUtils;
  21 import org.openhab.binding.meteoblue.internal.MeteoBlueBridgeConfig;
  22 import org.openhab.core.io.net.http.HttpUtil;
  23 import org.openhab.core.thing.Bridge;
  24 import org.openhab.core.thing.ChannelUID;
  25 import org.openhab.core.thing.ThingStatus;
  26 import org.openhab.core.thing.ThingStatusDetail;
  27 import org.openhab.core.thing.ThingTypeUID;
  28 import org.openhab.core.thing.binding.BaseBridgeHandler;
  29 import org.openhab.core.types.Command;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  * The {@link MeteoBlueBridgeHandler} is responsible for handling the
  35  * bridge things created to use the meteoblue weather service.
  36  *
  37  * @author Chris Carman - Initial contribution
  38  */
  39 public class MeteoBlueBridgeHandler extends BaseBridgeHandler {
  40     public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES = Collections.singleton(THING_TYPE_BRIDGE);
  41     private final Logger logger = LoggerFactory.getLogger(MeteoBlueBridgeHandler.class);
  42
  43     private String apiKey;
  44
  45     public MeteoBlueBridgeHandler(Bridge bridge) {
  46         super(bridge);
  47     }
  48
  49     /**
  50      * Initialize the bridge.
  51      */
  52     @Override
  53     public void initialize() {
  54         logger.debug("Initializing meteoblue bridge");
  55
  56         MeteoBlueBridgeConfig config = getConfigAs(MeteoBlueBridgeConfig.class);
  57         String apiKeyTemp = config.getApiKey();
  58         if (StringUtils.isBlank(apiKeyTemp)) {
  59             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR,
  60                     "Cannot initialize meteoblue bridge. No apiKey provided.");
  61             return;
  62         }
  63
  64         apiKey = apiKeyTemp;
  65
  66         healthCheck();
  67     }
  68
  69     /**
  70      * No commands are supported here.
  71      */
  72     @Override
  73     public void handleCommand(ChannelUID channelUID, Command command) {
  74     }
  75
  76     public String getApiKey() {
  77         return new String(apiKey);
  78     }
  79
  80     private void healthCheck() {
  81         String url = "http://my.meteoblue.com/packages/";
  82         try {
  83             HttpUtil.executeUrl("GET", url, 30 * 1000);
  84             logger.trace("HealthCheck succeeded.");
  85             updateStatus(ThingStatus.ONLINE);
  86         } catch (Exception e) {
  87             logger.trace("HealthCheck failed", e);
  88             updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, "HealthCheck failed");
  89         }
  90     }
  91 }