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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.plugwise.internal.protocol;
  14
  15 import static java.time.ZoneOffset.UTC;
  16 import static org.openhab.binding.plugwise.internal.protocol.field.MessageType.DEVICE_INFORMATION_RESPONSE;
  17
  18 import java.time.Instant;
  19 import java.time.LocalDateTime;
  20 import java.util.regex.Matcher;
  21 import java.util.regex.Pattern;
  22
  23 import org.openhab.binding.plugwise.internal.protocol.field.DeviceType;
  24 import org.openhab.binding.plugwise.internal.protocol.field.MACAddress;
  25
  26 /**
  27  * Contains generic device information. This message is the response of an {@link InformationRequestMessage}.
  28  *
  29  * @author Wouter Born, Karel Goderis - Initial contribution
  30  */
  31 public class InformationResponseMessage extends Message {
  32
  33     private static final Pattern PAYLOAD_PATTERN = Pattern
  34             .compile("(\\w{16})(\\w{2})(\\w{2})(\\w{4})(\\w{8})(\\w{2})(\\w{2})(\\w{12})(\\w{8})(\\w{2})");
  35
  36     private int year;
  37     private int month;
  38     private int minutes;
  39     private int logAddress;
  40     private boolean powerState;
  41     private int hertz;
  42     private String hardwareVersion;
  43     private LocalDateTime firmwareVersion;
  44     private DeviceType deviceType;
  45
  46     public InformationResponseMessage(int sequenceNumber, String payload) {
  47         super(DEVICE_INFORMATION_RESPONSE, sequenceNumber, payload);
  48     }
  49
  50     public DeviceType getDeviceType() {
  51         return deviceType;
  52     }
  53
  54     public LocalDateTime getFirmwareVersion() {
  55         return firmwareVersion;
  56     }
  57
  58     public String getHardwareVersion() {
  59         return hardwareVersion;
  60     }
  61
  62     public int getHertz() {
  63         return (hertz == 133) ? 50 : 60;
  64     }
  65
  66     public int getLogAddress() {
  67         return logAddress;
  68     }
  69
  70     public int getMinutes() {
  71         return minutes;
  72     }
  73
  74     public int getMonth() {
  75         return month;
  76     }
  77
  78     public boolean getPowerState() {
  79         return powerState;
  80     }
  81
  82     public int getYear() {
  83         return year;
  84     }
  85
  86     private DeviceType intToDeviceType(int i) {
  87         switch (i) {
  88             case 0:
  89                 return DeviceType.STICK;
  90             case 1:
  91                 return DeviceType.CIRCLE_PLUS;
  92             case 2:
  93                 return DeviceType.CIRCLE;
  94             case 3:
  95                 return DeviceType.SWITCH;
  96             case 5:
  97                 return DeviceType.SENSE;
  98             case 6:
  99                 return DeviceType.SCAN;
 100             case 9:
 101                 return DeviceType.STEALTH;
 102             default:
 103                 return null;
 104         }
 105     }
 106
 107     @Override
 108     protected void parsePayload() {
 109         Matcher matcher = PAYLOAD_PATTERN.matcher(payload);
 110         if (matcher.matches()) {
 111             macAddress = new MACAddress(matcher.group(1));
 112             year = Integer.parseInt(matcher.group(2), 16) + 2000;
 113             month = Integer.parseInt(matcher.group(3), 16);
 114             minutes = Integer.parseInt(matcher.group(4), 16);
 115             logAddress = (Integer.parseInt(matcher.group(5), 16) - 278528) / 32;
 116             powerState = (matcher.group(6).equals("01"));
 117             hertz = Integer.parseInt(matcher.group(7), 16);
 118             hardwareVersion = matcher.group(8).substring(0, 4) + "-" + matcher.group(8).substring(4, 8) + "-"
 119                     + matcher.group(8).substring(8, 12);
 120             firmwareVersion = LocalDateTime.ofInstant(Instant.ofEpochSecond(Long.parseLong(matcher.group(9), 16)), UTC);
 121             deviceType = intToDeviceType(Integer.parseInt(matcher.group(10), 16));
 122         } else {
 123             throw new PlugwisePayloadMismatchException(DEVICE_INFORMATION_RESPONSE, PAYLOAD_PATTERN, payload);
 124         }
 125     }
 126 }