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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.homematic.internal.type;
  14
  15 import static org.openhab.binding.homematic.internal.HomematicBindingConstants.BINDING_ID;
  16
  17 import org.apache.commons.lang.math.NumberUtils;
  18 import org.openhab.binding.homematic.internal.model.HmChannel;
  19 import org.openhab.binding.homematic.internal.model.HmDatapoint;
  20 import org.openhab.binding.homematic.internal.model.HmDatapointInfo;
  21 import org.openhab.binding.homematic.internal.model.HmDevice;
  22 import org.openhab.binding.homematic.internal.model.HmGatewayInfo;
  23 import org.openhab.binding.homematic.internal.model.HmParamsetType;
  24 import org.openhab.core.thing.Bridge;
  25 import org.openhab.core.thing.ChannelUID;
  26 import org.openhab.core.thing.Thing;
  27 import org.openhab.core.thing.ThingTypeUID;
  28 import org.openhab.core.thing.ThingUID;
  29 import org.openhab.core.thing.type.ChannelGroupTypeUID;
  30 import org.openhab.core.thing.type.ChannelTypeUID;
  31
  32 /**
  33  * Utility class for generating some UIDs.
  34  *
  35  * @author Gerhard Riegler - Initial contribution
  36  */
  37 public class UidUtils {
  38
  39     /**
  40      * Generates the ThingTypeUID for the given device. If it's a Homegear device, add a prefix because a Homegear
  41      * device has more datapoints.
  42      */
  43     public static ThingTypeUID generateThingTypeUID(HmDevice device) {
  44         if (!device.isGatewayExtras() && device.getGatewayId().equals(HmGatewayInfo.ID_HOMEGEAR)) {
  45             return new ThingTypeUID(BINDING_ID, String.format("HG-%s", device.getType()));
  46         } else {
  47             return new ThingTypeUID(BINDING_ID, device.getType());
  48         }
  49     }
  50
  51     /**
  52      * Generates the ChannelTypeUID for the given datapoint with deviceType, channelNumber and datapointName.
  53      */
  54     public static ChannelTypeUID generateChannelTypeUID(HmDatapoint dp) {
  55         return new ChannelTypeUID(BINDING_ID, String.format("%s_%s_%s", dp.getChannel().getDevice().getType(),
  56                 dp.getChannel().getNumber(), dp.getName()));
  57     }
  58
  59     /**
  60      * Generates the ChannelTypeUID for the given datapoint with deviceType and channelNumber.
  61      */
  62     public static ChannelGroupTypeUID generateChannelGroupTypeUID(HmChannel channel) {
  63         return new ChannelGroupTypeUID(BINDING_ID,
  64                 String.format("%s_%s", channel.getDevice().getType(), channel.getNumber()));
  65     }
  66
  67     /**
  68      * Generates the ThingUID for the given device in the given bridge.
  69      */
  70     public static ThingUID generateThingUID(HmDevice device, Bridge bridge) {
  71         ThingTypeUID thingTypeUID = generateThingTypeUID(device);
  72         return new ThingUID(thingTypeUID, bridge.getUID(), device.getAddress());
  73     }
  74
  75     /**
  76      * Generates the ChannelUID for the given datapoint with channelNumber and datapointName.
  77      */
  78     public static ChannelUID generateChannelUID(HmDatapoint dp, ThingUID thingUID) {
  79         return new ChannelUID(thingUID, String.valueOf(dp.getChannel().getNumber()), dp.getName());
  80     }
  81
  82     /**
  83      * Generates the HmDatapointInfo for the given thing and channelUID.
  84      */
  85     public static HmDatapointInfo createHmDatapointInfo(ChannelUID channelUID) {
  86         return new HmDatapointInfo(channelUID.getThingUID().getId(), HmParamsetType.VALUES,
  87                 NumberUtils.toInt(channelUID.getGroupId()), channelUID.getIdWithoutGroup());
  88     }
  89
  90     /**
  91      * Returns the address of the Homematic device from the given thing.
  92      */
  93     public static String getHomematicAddress(Thing thing) {
  94         return thing.getUID().getId();
  95     }
  96 }