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   1 /**
   2  * Copyright (c) 2010-2022 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.miio.internal.basic;
  14
  15 import static org.openhab.binding.miio.internal.MiIoBindingConstants.BINDING_ID;
  16
  17 import java.math.BigDecimal;
  18 import java.util.ArrayList;
  19 import java.util.Collection;
  20 import java.util.List;
  21 import java.util.Locale;
  22 import java.util.Map;
  23 import java.util.Set;
  24 import java.util.concurrent.ConcurrentHashMap;
  25
  26 import org.eclipse.jdt.annotation.NonNullByDefault;
  27 import org.eclipse.jdt.annotation.Nullable;
  28 import org.openhab.core.thing.type.ChannelType;
  29 import org.openhab.core.thing.type.ChannelTypeBuilder;
  30 import org.openhab.core.thing.type.ChannelTypeProvider;
  31 import org.openhab.core.thing.type.ChannelTypeUID;
  32 import org.openhab.core.thing.type.StateChannelTypeBuilder;
  33 import org.openhab.core.types.StateDescriptionFragmentBuilder;
  34 import org.openhab.core.types.StateOption;
  35 import org.osgi.service.component.annotations.Component;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 /**
  40  * Provide channelTypes for Mi IO Basic devices
  41  *
  42  * @author Marcel Verpaalen - Initial contribution
  43  */
  44 @Component(service = { ChannelTypeProvider.class, BasicChannelTypeProvider.class })
  45 @NonNullByDefault
  46 public class BasicChannelTypeProvider implements ChannelTypeProvider {
  47     private final Map<String, ChannelType> channelTypes = new ConcurrentHashMap<>();
  48     private final Logger logger = LoggerFactory.getLogger(BasicChannelTypeProvider.class);
  49
  50     @Override
  51     public Collection<ChannelType> getChannelTypes(@Nullable Locale locale) {
  52         return channelTypes.values();
  53     }
  54
  55     @Override
  56     public @Nullable ChannelType getChannelType(ChannelTypeUID channelTypeUID, @Nullable Locale locale) {
  57         if (channelTypes.containsKey(channelTypeUID.getAsString())) {
  58             return channelTypes.get(channelTypeUID.getAsString());
  59         }
  60         return null;
  61     }
  62
  63     public void addChannelType(MiIoBasicChannel miChannel, String model) {
  64         ChannelTypeUID channelTypeUID = new ChannelTypeUID(BINDING_ID,
  65                 model.toUpperCase().replace(".", "_") + "_" + miChannel.getChannel());
  66         logger.debug("Adding channel definitions for {} -> {}", channelTypeUID, miChannel.getFriendlyName());
  67         try {
  68             final StateDescriptionDTO stateDescription = miChannel.getStateDescription();
  69             StateChannelTypeBuilder channelTypeBuilder = ChannelTypeBuilder.state(channelTypeUID,
  70                     miChannel.getFriendlyName(), miChannel.getType()); //
  71             if (stateDescription != null) {
  72                 StateDescriptionFragmentBuilder sdf = StateDescriptionFragmentBuilder.create();
  73                 final BigDecimal maximum = stateDescription.getMaximum();
  74                 if (maximum != null) {
  75                     sdf.withMaximum(maximum);
  76                 }
  77                 final BigDecimal minimum = stateDescription.getMinimum();
  78                 if (minimum != null) {
  79                     sdf.withMinimum(minimum);
  80                 }
  81                 final BigDecimal step = stateDescription.getStep();
  82                 if (step != null) {
  83                     sdf.withStep(step);
  84                 }
  85                 final String pattern = stateDescription.getPattern();
  86                 if (pattern != null) {
  87                     sdf.withPattern(pattern);
  88                 }
  89                 final Boolean readOnly = stateDescription.getReadOnly();
  90                 if (readOnly != null) {
  91                     sdf.withReadOnly(readOnly);
  92                 }
  93                 List<OptionsValueListDTO> optionList = stateDescription.getOptions();
  94                 if (optionList != null) {
  95                     List<StateOption> options = new ArrayList<>();
  96                     for (OptionsValueListDTO option : optionList) {
  97                         String value = option.getValue();
  98                         if (value != null) {
  99                             options.add(new StateOption(value, option.getLabel()));
 100                         }
 101                     }
 102                     sdf.withOptions(options);
 103                 }
 104                 channelTypeBuilder.withStateDescriptionFragment(sdf.build());
 105                 logger.debug("added stateDescription: {}", sdf);
 106             }
 107             final String category = miChannel.getCategory();
 108             if (category != null) {
 109                 channelTypeBuilder.withCategory(category);
 110             }
 111             final Set<String> tags = miChannel.getTags();
 112             if (tags != null && !tags.isEmpty()) {
 113                 channelTypeBuilder.withTags(tags);
 114             }
 115             channelTypes.put(channelTypeUID.getAsString(), channelTypeBuilder.build());
 116         } catch (Exception e) {
 117             logger.warn("Failed creating channelType {}: {} ", channelTypeUID, e.getMessage());
 118         }
 119     }
 120 }