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   1 /**
   2  * Copyright (c) 2010-2021 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.parser;
  14
  15 import java.io.IOException;
  16
  17 import org.apache.commons.lang.StringUtils;
  18 import org.apache.commons.lang.math.NumberUtils;
  19 import org.openhab.binding.homematic.internal.model.HmChannel;
  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.HmParamsetType;
  23
  24 /**
  25  * Parses a event received from a Homematic gateway.
  26  *
  27  * @author Gerhard Riegler - Initial contribution
  28  */
  29 public class EventParser extends CommonRpcParser<Object[], HmDatapointInfo> {
  30     private Object value;
  31
  32     @Override
  33     public HmDatapointInfo parse(Object[] message) throws IOException {
  34         String address;
  35         Integer channel = 0;
  36         String addressWithChannel = toString(message[1]);
  37         if ("".equals(addressWithChannel)) {
  38             address = HmDevice.ADDRESS_GATEWAY_EXTRAS;
  39             channel = HmChannel.CHANNEL_NUMBER_VARIABLE;
  40         } else {
  41             String[] configParts = StringUtils.trimToEmpty(addressWithChannel).split(":");
  42             address = getSanitizedAddress(configParts[0]);
  43             if (configParts.length > 1) {
  44                 channel = NumberUtils.createInteger(configParts[1]);
  45             }
  46         }
  47
  48         String name = toString(message[2]);
  49         value = message[3];
  50
  51         return new HmDatapointInfo(address, HmParamsetType.VALUES, channel, name);
  52     }
  53
  54     /**
  55      * Returns the value of the event.
  56      */
  57     public Object getValue() {
  58         return value;
  59     }
  60 }