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   1 /**
   2  * Copyright (c) 2010-2020 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.Collections;
  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.VariableValue;
  29 import org.openhab.binding.lcn.internal.connection.ModInfo;
  30 import org.openhab.core.library.types.DecimalType;
  31 import org.openhab.core.library.types.OnOffType;
  32
  33 /**
  34  * Handles Commands and State changes of regulator setpoints of an LCN module.
  35  *
  36  * @author Fabian Wolter - Initial contribution
  37  */
  38 @NonNullByDefault
  39 public class LcnModuleRvarSetpointSubHandler extends AbstractLcnModuleVariableSubHandler {
  40     private static final Pattern PATTERN = Pattern
  41             .compile(LcnBindingConstants.ADDRESS_REGEX + "\\.S(?<id>\\d)(?<value>\\d+)");
  42
  43     public LcnModuleRvarSetpointSubHandler(LcnModuleHandler handler, ModInfo info) {
  44         super(handler, info);
  45     }
  46
  47     @Override
  48     public void handleCommandDecimal(DecimalType command, LcnChannelGroup channelGroup, int number)
  49             throws LcnException {
  50         Variable variable = getVariable(channelGroup, number);
  51
  52         if (info.hasExtendedMeasurementProcessing()) {
  53             handler.sendPck(PckGenerator.setSetpointAbsolute(number, command.intValue()));
  54         } else {
  55             try {
  56                 int relativeVariableChange = getRelativeChange(command, variable);
  57                 handler.sendPck(
  58                         PckGenerator.setSetpointRelative(number, LcnDefs.RelVarRef.CURRENT, relativeVariableChange));
  59             } catch (LcnException e) {
  60                 // current value unknown for some reason, refresh it in case we come again here
  61                 info.refreshVariable(variable);
  62                 throw e;
  63             }
  64         }
  65     }
  66
  67     @Override
  68     public void handleStatusMessage(Matcher matcher) throws LcnException {
  69         Variable variable = Variable.setPointIdToVar(Integer.parseInt(matcher.group("id")) - 1);
  70         VariableValue value = fireUpdateAndReset(matcher, "", variable);
  71
  72         fireUpdate(LcnChannelGroup.RVARLOCK, variable.getNumber(), OnOffType.from(value.isRegulatorLocked()));
  73     }
  74
  75     @Override
  76     public Collection<Pattern> getPckStatusMessagePatterns() {
  77         return Collections.singleton(PATTERN);
  78     }
  79 }