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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.netatmo.internal.handler;
  14
  15 import static org.openhab.binding.netatmo.internal.APIUtils.*;
  16 import static org.openhab.binding.netatmo.internal.NetatmoBindingConstants.MEASURABLE_CHANNELS;
  17
  18 import java.util.ArrayList;
  19 import java.util.List;
  20 import java.util.Optional;
  21
  22 import org.eclipse.jdt.annotation.NonNullByDefault;
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.openhab.binding.netatmo.internal.ChannelTypeUtils;
  25 import org.openhab.core.thing.ChannelUID;
  26 import org.openhab.core.types.State;
  27
  28 import io.swagger.client.model.NAMeasureBodyElem;
  29 import io.swagger.client.model.NAMeasureResponse;
  30
  31 /**
  32  * {@link MeasurableChannels} is a helper class designed to handle
  33  * manipulation of requests and responses provided by calls to
  34  * someNetatmoApi.getMeasures(....)
  35  *
  36  * @author Gaël L'hopital - Initial contribution
  37  *
  38  */
  39 @NonNullByDefault
  40 public class MeasurableChannels {
  41     protected @Nullable NAMeasureResponse measures;
  42     protected List<String> measuredChannels = new ArrayList<>();
  43
  44     /*
  45      * If this channel value is provided as a measure, then add it
  46      * in the getMeasure parameter list
  47      */
  48     protected void addChannel(ChannelUID channelUID) {
  49         String channel = channelUID.getId();
  50         if (MEASURABLE_CHANNELS.contains(channel)) {
  51             measuredChannels.add(channel);
  52         }
  53     }
  54
  55     /*
  56      * If this channel value is provided as a measure, then delete
  57      * it in the getMeasure parameter list
  58      */
  59     protected void removeChannel(ChannelUID channelUID) {
  60         String channel = channelUID.getId();
  61         measuredChannels.remove(channel);
  62     }
  63
  64     protected Optional<State> getNAThingProperty(String channelId) {
  65         int index = measuredChannels.indexOf(channelId);
  66         NAMeasureResponse theMeasures = measures;
  67         if (index != -1 && theMeasures != null) {
  68             List<NAMeasureBodyElem> body = nonNullList(theMeasures.getBody());
  69             if (!body.isEmpty()) {
  70                 List<List<Float>> valueList = nonNullList(body.get(0).getValue());
  71                 if (!valueList.isEmpty()) {
  72                     List<Float> values = nonNullList(valueList.get(0));
  73                     if (values.size() >= index) {
  74                         Float value = values.get(index);
  75                         return Optional.of(ChannelTypeUtils.toDecimalType(value));
  76                     }
  77                 }
  78             }
  79         }
  80         return Optional.empty();
  81     }
  82
  83     public Optional<List<String>> getMeasuredChannels() {
  84         if (!measuredChannels.isEmpty()) {
  85             return Optional.of(measuredChannels);
  86         }
  87         return Optional.empty();
  88     }
  89
  90     public void setMeasures(NAMeasureResponse measures) {
  91         this.measures = measures;
  92     }
  93 }