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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.plugwiseha.internal;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.eclipse.jdt.annotation.Nullable;
  17 import org.eclipse.jetty.client.HttpClient;
  18 import org.openhab.binding.plugwiseha.internal.handler.PlugwiseHAApplianceHandler;
  19 import org.openhab.binding.plugwiseha.internal.handler.PlugwiseHABridgeHandler;
  20 import org.openhab.binding.plugwiseha.internal.handler.PlugwiseHAZoneHandler;
  21 import org.openhab.core.config.core.Configuration;
  22 import org.openhab.core.io.net.http.HttpClientFactory;
  23 import org.openhab.core.thing.Bridge;
  24 import org.openhab.core.thing.Thing;
  25 import org.openhab.core.thing.ThingTypeUID;
  26 import org.openhab.core.thing.ThingUID;
  27 import org.openhab.core.thing.binding.BaseThingHandlerFactory;
  28 import org.openhab.core.thing.binding.ThingHandler;
  29 import org.openhab.core.thing.binding.ThingHandlerFactory;
  30 import org.osgi.service.component.annotations.Activate;
  31 import org.osgi.service.component.annotations.Component;
  32 import org.osgi.service.component.annotations.Reference;
  33
  34 /**
  35  * The {@link PlugwiseHAHandlerFactory} is responsible for creating things and
  36  * thing handlers.
  37  *
  38  * @author Bas van Wetten - Initial contribution
  39  * @author Leo Siepel - finish initial contribution
  40  *
  41  */
  42 @NonNullByDefault
  43 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.plugwiseha")
  44 public class PlugwiseHAHandlerFactory extends BaseThingHandlerFactory {
  45
  46     private final HttpClient httpClient;
  47
  48     // Constructor
  49
  50     @Activate
  51     public PlugwiseHAHandlerFactory(@Reference final HttpClientFactory httpClientFactory) {
  52         this.httpClient = httpClientFactory.getCommonHttpClient();
  53     }
  54
  55     // Public methods
  56
  57     /**
  58      * Returns whether the handler is able to create a thing or register a thing
  59      * handler for the given type.
  60      *
  61      * @param thingTypeUID the thing type UID
  62      * @return true, if the handler supports the thing type, false otherwise
  63      */
  64     @Override
  65     public boolean supportsThingType(ThingTypeUID thingTypeUID) {
  66         return (PlugwiseHABridgeHandler.supportsThingType(thingTypeUID)
  67                 || PlugwiseHAZoneHandler.supportsThingType(thingTypeUID))
  68                 || PlugwiseHAApplianceHandler.supportsThingType(thingTypeUID);
  69     }
  70
  71     /**
  72      * Creates a thing for given arguments.
  73      *
  74      * @param thingTypeUID thing type uid (not null)
  75      * @param configuration configuration
  76      * @param thingUID thing uid, which can be null
  77      * @param bridgeUID bridge uid, which can be null
  78      * @return created thing
  79      */
  80     @Override
  81     public @Nullable Thing createThing(ThingTypeUID thingTypeUID, Configuration configuration,
  82             @Nullable ThingUID thingUID, @Nullable ThingUID bridgeUID) {
  83         if (PlugwiseHABridgeHandler.supportsThingType(thingTypeUID)) {
  84             return super.createThing(thingTypeUID, configuration, thingUID, null);
  85         } else if (PlugwiseHAZoneHandler.supportsThingType(thingTypeUID)) {
  86             return super.createThing(thingTypeUID, configuration, thingUID, bridgeUID);
  87         } else if (PlugwiseHAApplianceHandler.supportsThingType(thingTypeUID)) {
  88             return super.createThing(thingTypeUID, configuration, thingUID, bridgeUID);
  89         }
  90
  91         throw new IllegalArgumentException(
  92                 "The thing type " + thingTypeUID + " is not supported by the plugwiseha binding.");
  93     }
  94
  95     // Protected and private methods
  96
  97     /**
  98      * Creates a {@link ThingHandler} for the given thing.
  99      *
 100      * @param thing the thing
 101      * @return thing the created handler
 102      */
 103     @Override
 104     protected @Nullable ThingHandler createHandler(Thing thing) {
 105         ThingTypeUID thingTypeUID = thing.getThingTypeUID();
 106
 107         if (PlugwiseHABridgeHandler.supportsThingType(thingTypeUID)) {
 108             return new PlugwiseHABridgeHandler((Bridge) thing, this.httpClient);
 109         } else if (PlugwiseHAZoneHandler.supportsThingType(thingTypeUID)) {
 110             return new PlugwiseHAZoneHandler(thing);
 111         } else if (PlugwiseHAApplianceHandler.supportsThingType(thingTypeUID)) {
 112             return new PlugwiseHAApplianceHandler(thing);
 113         }
 114         return null;
 115     }
 116 }