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   1 /**
   2  * Copyright (c) 2010-2024 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.http.internal.converter;
  14
  15 import java.math.BigDecimal;
  16 import java.util.function.Consumer;
  17
  18 import org.eclipse.jdt.annotation.NonNullByDefault;
  19 import org.eclipse.jdt.annotation.Nullable;
  20 import org.openhab.binding.http.internal.config.HttpChannelConfig;
  21 import org.openhab.binding.http.internal.transform.ValueTransformation;
  22 import org.openhab.core.library.types.PercentType;
  23 import org.openhab.core.library.types.StopMoveType;
  24 import org.openhab.core.library.types.UpDownType;
  25 import org.openhab.core.types.Command;
  26 import org.openhab.core.types.State;
  27 import org.openhab.core.types.UnDefType;
  28
  29 /**
  30  * The {@link RollershutterItemConverter} implements {@link org.openhab.core.library.items.RollershutterItem}
  31  * conversions
  32  *
  33  * @author Jan N. Klug - Initial contribution
  34  */
  35
  36 @NonNullByDefault
  37 public class RollershutterItemConverter extends AbstractTransformingItemConverter {
  38     private final HttpChannelConfig channelConfig;
  39
  40     public RollershutterItemConverter(Consumer<State> updateState, Consumer<Command> postCommand,
  41             @Nullable Consumer<String> sendHttpValue, ValueTransformation stateTransformations,
  42             ValueTransformation commandTransformations, HttpChannelConfig channelConfig) {
  43         super(updateState, postCommand, sendHttpValue, stateTransformations, commandTransformations, channelConfig);
  44         this.channelConfig = channelConfig;
  45     }
  46
  47     @Override
  48     public String toString(Command command) {
  49         String string = channelConfig.commandToFixedValue(command);
  50         if (string != null) {
  51             return string;
  52         }
  53
  54         if (command instanceof PercentType brightnessState) {
  55             final String downValue = channelConfig.downValue;
  56             final String upValue = channelConfig.upValue;
  57             if (command.equals(PercentType.HUNDRED) && downValue != null) {
  58                 return downValue;
  59             } else if (command.equals(PercentType.ZERO) && upValue != null) {
  60                 return upValue;
  61             } else {
  62                 return brightnessState.toString();
  63             }
  64         }
  65
  66         throw new IllegalArgumentException("Command type '" + command.toString() + "' not supported");
  67     }
  68
  69     @Override
  70     protected @Nullable Command toCommand(String string) {
  71         if (string.equals(channelConfig.upValue)) {
  72             return UpDownType.UP;
  73         } else if (string.equals(channelConfig.downValue)) {
  74             return UpDownType.DOWN;
  75         } else if (string.equals(channelConfig.moveValue)) {
  76             return StopMoveType.MOVE;
  77         } else if (string.equals(channelConfig.stopValue)) {
  78             return StopMoveType.STOP;
  79         }
  80
  81         return null;
  82     }
  83
  84     @Override
  85     public State toState(String string) {
  86         try {
  87             BigDecimal value = new BigDecimal(string);
  88             if (value.compareTo(PercentType.HUNDRED.toBigDecimal()) > 0) {
  89                 return PercentType.HUNDRED;
  90             }
  91             if (value.compareTo(PercentType.ZERO.toBigDecimal()) < 0) {
  92                 return PercentType.ZERO;
  93             }
  94             return new PercentType(value);
  95         } catch (NumberFormatException e) {
  96             // ignore
  97         }
  98
  99         return UnDefType.UNDEF;
 100     }
 101 }