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   1 /**
   2  * Copyright (c) 2010-2023 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.communicator.virtual;
  14
  15 import static org.openhab.binding.homematic.internal.misc.HomematicConstants.*;
  16
  17 import org.openhab.binding.homematic.internal.model.HmChannel;
  18 import org.openhab.binding.homematic.internal.model.HmDatapoint;
  19 import org.openhab.binding.homematic.internal.model.HmDatapointInfo;
  20 import org.openhab.binding.homematic.internal.model.HmDevice;
  21 import org.openhab.binding.homematic.internal.model.HmValueType;
  22
  23 /**
  24  * A virtual datapoint that converts the ENUM state of the HMIP-SWD_ devices to a contact.
  25  *
  26  * @author Gerhard Riegler - Initial contribution
  27  */
  28 public class StateContactVirtualDatapointHandler extends AbstractVirtualDatapointHandler {
  29     @Override
  30     public String getName() {
  31         return VIRTUAL_DATAPOINT_NAME_STATE_CONTACT;
  32     }
  33
  34     @Override
  35     public void initialize(HmDevice device) {
  36         if (isApplicable(device)) {
  37             HmChannel channelOne = device.getChannel(1);
  38             if (channelOne != null) {
  39                 HmDatapointInfo dpStateInfo = HmDatapointInfo.createValuesInfo(channelOne, DATAPOINT_NAME_STATE);
  40                 HmDatapoint dpState = channelOne.getDatapoint(dpStateInfo);
  41                 if (dpState != null) {
  42                     addDatapoint(device, 1, getName(), HmValueType.BOOL, convertState(dpState.getValue()), true);
  43                 }
  44             }
  45         }
  46     }
  47
  48     @Override
  49     public boolean canHandleEvent(HmDatapoint dp) {
  50         return isApplicable(dp.getChannel().getDevice()) && DATAPOINT_NAME_STATE.equals(dp.getName());
  51     }
  52
  53     @Override
  54     public void handleEvent(VirtualGateway gateway, HmDatapoint dp) {
  55         Object value = convertState(dp.getValue());
  56         HmDatapoint vdp = getVirtualDatapoint(dp.getChannel());
  57         vdp.setValue(value);
  58     }
  59
  60     private boolean isApplicable(HmDevice device) {
  61         return device.getType().toUpperCase().startsWith("HMIP-SWD");
  62     }
  63
  64     private Boolean convertState(Object value) {
  65         if (!(value instanceof Integer)) {
  66             return null;
  67         }
  68         if ((int) value == 0) {
  69             return true;
  70         } else if ((int) value == 1) {
  71             return false;
  72         } else {
  73             return null;
  74         }
  75     }
  76 }