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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.lcn.internal.subhandler;
  14
  15 import java.util.Collection;
  16 import java.util.Set;
  17 import java.util.regex.Matcher;
  18 import java.util.regex.Pattern;
  19
  20 import org.eclipse.jdt.annotation.NonNullByDefault;
  21 import org.openhab.binding.lcn.internal.LcnModuleHandler;
  22 import org.openhab.binding.lcn.internal.common.LcnChannelGroup;
  23 import org.openhab.binding.lcn.internal.common.LcnDefs;
  24 import org.openhab.binding.lcn.internal.common.LcnException;
  25 import org.openhab.binding.lcn.internal.connection.ModInfo;
  26
  27 /**
  28  * Handles 'send key' commands sent to this PCK host.
  29  *
  30  * @author Fabian Wolter - Initial contribution
  31  */
  32 @NonNullByDefault
  33 public class LcnModuleHostCommandSubHandler extends AbstractLcnModuleSubHandler {
  34     private static final Pattern SEND_KEY_PATTERN = Pattern
  35             .compile("\\+M(?<hostId>\\d{3})(?<segId>\\d{3})(?<modId>\\d{3})\\.STH(?<byte0>\\d{3})(?<byte1>\\d{3})");
  36
  37     public LcnModuleHostCommandSubHandler(LcnModuleHandler handler, ModInfo info) {
  38         super(handler, info);
  39     }
  40
  41     @Override
  42     public void handleRefresh(LcnChannelGroup channelGroup, int number) {
  43         // nothing
  44     }
  45
  46     @Override
  47     public void handleStatusMessage(Matcher matcher) throws LcnException {
  48         int keyTableAndActionMask = Integer.parseInt(matcher.group("byte0"));
  49         int keyNumberMask = Integer.parseInt(matcher.group("byte1"));
  50
  51         if ((keyTableAndActionMask & (1 << 6)) == 0) {
  52             return;
  53         }
  54
  55         // PCHK 3.22 supports only the old 'send key' command with key tables A-C
  56         for (int keyTableNumber = 0; keyTableNumber < LcnDefs.KEY_TABLE_COUNT_UNTIL_0C030C0; keyTableNumber++) {
  57             String keyTableName = LcnDefs.KeyTable.values()[keyTableNumber].name();
  58
  59             for (int keyNumber = 0; keyNumber < LcnDefs.KEY_COUNT; keyNumber++) {
  60                 int actionRaw = (keyTableAndActionMask >> (keyTableNumber * 2)) & 3;
  61
  62                 if (actionRaw > LcnDefs.SendKeyCommand.DONTSEND.getId()
  63                         && actionRaw <= LcnDefs.SendKeyCommand.BREAK.getId()
  64                         && ((1 << keyNumber) & keyNumberMask) != 0) {
  65                     String actionName = LcnDefs.SendKeyCommand.get(actionRaw).name();
  66
  67                     handler.triggerChannel(LcnChannelGroup.HOSTCOMMAND, "sendKeys",
  68                             keyTableName + (keyNumber + 1) + ":" + actionName);
  69                 }
  70             }
  71         }
  72     }
  73
  74     @Override
  75     public Collection<Pattern> getPckStatusMessagePatterns() {
  76         return Set.of(SEND_KEY_PATTERN);
  77     }
  78 }