git.basschouten.com Git - openhab-addons.git/blob

   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.plugwise.internal.protocol;
  14
  15 import static java.time.ZoneOffset.UTC;
  16 import static org.openhab.binding.plugwise.internal.protocol.field.MessageType.POWER_INFORMATION_RESPONSE;
  17
  18 import java.time.Duration;
  19 import java.time.ZonedDateTime;
  20 import java.util.regex.Matcher;
  21 import java.util.regex.Pattern;
  22
  23 import org.openhab.binding.plugwise.internal.protocol.field.Energy;
  24 import org.openhab.binding.plugwise.internal.protocol.field.MACAddress;
  25
  26 /**
  27  * Contains the real-time energy consumption of a relay device (Circle, Circle+, Stealth). This
  28  * message is the response of a {@link PowerInformationRequestMessage}.
  29  *
  30  * @author Wouter Born, Karel Goderis - Initial contribution
  31  */
  32 public class PowerInformationResponseMessage extends Message {
  33
  34     private static final Pattern PAYLOAD_PATTERN = Pattern.compile("(\\w{16})(\\w{4})(\\w{4})(\\w{8})(\\w{8})(\\w{4})");
  35     private static final double NANOSECONDS_CORRECTION_DIVISOR = 0.000046875; // 46875 divided by nanos per second
  36
  37     private Energy oneSecond;
  38     private Energy eightSecond;
  39     private Energy oneHourConsumed;
  40     private Energy oneHourProduced;
  41     private long nanosCorrection;
  42
  43     public PowerInformationResponseMessage(int sequenceNumber, String payload) {
  44         super(POWER_INFORMATION_RESPONSE, sequenceNumber, payload);
  45     }
  46
  47     public Energy getEightSecond() {
  48         return eightSecond;
  49     }
  50
  51     public Energy getOneHourConsumed() {
  52         return oneHourConsumed;
  53     }
  54
  55     public Energy getOneHourProduced() {
  56         return oneHourProduced;
  57     }
  58
  59     public Energy getOneSecond() {
  60         return oneSecond;
  61     }
  62
  63     @Override
  64     protected void parsePayload() {
  65         Matcher matcher = PAYLOAD_PATTERN.matcher(payload);
  66         if (matcher.matches()) {
  67             ZonedDateTime utcNow = ZonedDateTime.now(UTC);
  68             macAddress = new MACAddress(matcher.group(1));
  69             nanosCorrection = Math.round(Integer.parseInt(matcher.group(6), 16) / NANOSECONDS_CORRECTION_DIVISOR);
  70             oneSecond = new Energy(utcNow, Integer.parseInt(matcher.group(2), 16),
  71                     Duration.ofSeconds(1, nanosCorrection));
  72             eightSecond = new Energy(utcNow, Integer.parseInt(matcher.group(3), 16),
  73                     Duration.ofSeconds(8, nanosCorrection));
  74             oneHourConsumed = new Energy(utcNow, Long.parseLong(matcher.group(4), 16), Duration.ofHours(1));
  75             oneHourProduced = new Energy(utcNow, Long.parseLong(matcher.group(5), 16), Duration.ofHours(1));
  76         } else {
  77             throw new PlugwisePayloadMismatchException(POWER_INFORMATION_RESPONSE, PAYLOAD_PATTERN, payload);
  78         }
  79     }
  80 }