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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.lcn.internal.subhandler;
  14
  15 import java.util.Collection;
  16 import java.util.List;
  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.LcnBindingConstants;
  22 import org.openhab.binding.lcn.internal.LcnModuleHandler;
  23 import org.openhab.binding.lcn.internal.common.LcnChannelGroup;
  24 import org.openhab.binding.lcn.internal.common.LcnDefs;
  25 import org.openhab.binding.lcn.internal.common.LcnException;
  26 import org.openhab.binding.lcn.internal.common.PckGenerator;
  27 import org.openhab.binding.lcn.internal.common.Variable;
  28 import org.openhab.binding.lcn.internal.common.Variable.Type;
  29 import org.openhab.binding.lcn.internal.common.VariableValue;
  30 import org.openhab.binding.lcn.internal.connection.ModInfo;
  31 import org.openhab.core.library.types.DecimalType;
  32 import org.openhab.core.library.types.OnOffType;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 /**
  37  * Handles Commands and State changes of regulator setpoints of an LCN module.
  38  *
  39  * @author Fabian Wolter - Initial contribution
  40  */
  41 @NonNullByDefault
  42 public class LcnModuleRvarSetpointSubHandler extends AbstractLcnModuleVariableSubHandler {
  43     private final Logger logger = LoggerFactory.getLogger(LcnModuleRvarSetpointSubHandler.class);
  44     private static final Pattern PATTERN = Pattern
  45             .compile(LcnBindingConstants.ADDRESS_REGEX + "\\.S(?<id>\\d)(?<value>\\d{1,5})");
  46
  47     public LcnModuleRvarSetpointSubHandler(LcnModuleHandler handler, ModInfo info) {
  48         super(handler, info);
  49     }
  50
  51     @Override
  52     public void handleCommandDecimal(DecimalType command, LcnChannelGroup channelGroup, int number)
  53             throws LcnException {
  54         Variable variable = getVariable(channelGroup, number);
  55
  56         if (info.hasExtendedMeasurementProcessing()) {
  57             handler.sendPck(PckGenerator.setSetpointAbsolute(number, command.intValue()));
  58         } else {
  59             try {
  60                 int relativeVariableChange = getRelativeChange(command, variable);
  61                 handler.sendPck(
  62                         PckGenerator.setSetpointRelative(number, LcnDefs.RelVarRef.CURRENT, relativeVariableChange));
  63             } catch (LcnException e) {
  64                 // current value unknown for some reason, refresh it in case we come again here
  65                 info.refreshVariable(variable);
  66                 throw e;
  67             }
  68         }
  69     }
  70
  71     @Override
  72     public void handleStatusMessage(Matcher matcher) throws LcnException {
  73         Variable variable;
  74         if (matcher.pattern() == PATTERN) {
  75             variable = Variable.setPointIdToVar(Integer.parseInt(matcher.group("id")) - 1);
  76         } else if (matcher.pattern() == LcnBindingConstants.MEASUREMENT_PATTERN_BEFORE_2013) {
  77             variable = info.getLastRequestedVarWithoutTypeInResponse();
  78
  79             if (variable.getType() != Type.REGULATOR) {
  80                 return;
  81             }
  82         } else {
  83             logger.warn("Unexpected pattern: {}", matcher.pattern());
  84             return;
  85         }
  86         VariableValue value = fireUpdateAndReset(matcher, "", variable);
  87
  88         fireUpdate(LcnChannelGroup.RVARLOCK, variable.getNumber(), OnOffType.from(value.isRegulatorLocked()));
  89     }
  90
  91     @Override
  92     public Collection<Pattern> getPckStatusMessagePatterns() {
  93         return List.of(PATTERN, LcnBindingConstants.MEASUREMENT_PATTERN_BEFORE_2013);
  94     }
  95 }