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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.samsungtv.internal.service;
  14
  15 import org.eclipse.jdt.annotation.NonNullByDefault;
  16 import org.openhab.core.library.types.DecimalType;
  17 import org.openhab.core.library.types.IncreaseDecreaseType;
  18 import org.openhab.core.library.types.OnOffType;
  19 import org.openhab.core.library.types.OpenClosedType;
  20 import org.openhab.core.library.types.UpDownType;
  21 import org.openhab.core.types.Command;
  22
  23 /**
  24  * The {@link DataConverters} provides utils for converting openHAB commands to
  25  * Samsung TV specific values.
  26  *
  27  * @author Pauli Anttila - Initial contribution
  28  */
  29 @NonNullByDefault
  30 public class DataConverters {
  31
  32     /**
  33      * Convert openHAB command to int.
  34      *
  35      * @param command
  36      * @param min
  37      * @param max
  38      * @param currentValue
  39      * @return
  40      */
  41     public static int convertCommandToIntValue(Command command, int min, int max, int currentValue) {
  42         if (command instanceof IncreaseDecreaseType || command instanceof DecimalType) {
  43             int value;
  44             if (command instanceof IncreaseDecreaseType && command == IncreaseDecreaseType.INCREASE) {
  45                 value = Math.min(max, currentValue + 1);
  46             } else if (command instanceof IncreaseDecreaseType && command == IncreaseDecreaseType.DECREASE) {
  47                 value = Math.max(min, currentValue - 1);
  48             } else if (command instanceof DecimalType decimalCommand) {
  49                 value = decimalCommand.intValue();
  50             } else {
  51                 throw new NumberFormatException("Command '" + command + "' not supported");
  52             }
  53
  54             return value;
  55
  56         } else {
  57             throw new NumberFormatException("Command '" + command + "' not supported");
  58         }
  59     }
  60
  61     /**
  62      * Convert openHAB command to boolean.
  63      *
  64      * @param command
  65      * @return
  66      */
  67     public static boolean convertCommandToBooleanValue(Command command) {
  68         if (command instanceof OnOffType || command instanceof OpenClosedType || command instanceof UpDownType) {
  69             boolean newValue;
  70
  71             if (command.equals(OnOffType.ON) || command.equals(UpDownType.UP) || command.equals(OpenClosedType.OPEN)) {
  72                 newValue = true;
  73             } else if (command.equals(OnOffType.OFF) || command.equals(UpDownType.DOWN)
  74                     || command.equals(OpenClosedType.CLOSED)) {
  75                 newValue = false;
  76             } else {
  77                 throw new NumberFormatException("Command '" + command + "' not supported");
  78             }
  79
  80             return newValue;
  81
  82         } else {
  83             throw new NumberFormatException("Command '" + command + "' not supported for channel");
  84         }
  85     }
  86 }