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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.mqtt.generic.values;
14
15 import java.time.format.DateTimeFormatter;
16 import java.util.List;
17
18 import org.eclipse.jdt.annotation.NonNullByDefault;
19 import org.eclipse.jdt.annotation.Nullable;
20 import org.openhab.core.library.CoreItemFactory;
21 import org.openhab.core.library.types.DateTimeType;
22 import org.openhab.core.library.types.StringType;
23 import org.openhab.core.types.Command;
24
25 /**
26  * Implements a datetime value.
27  *
28  * @author David Graeff - Initial contribution
29  */
30 @NonNullByDefault
31 public class DateTimeValue extends Value {
32     public DateTimeValue() {
33         super(CoreItemFactory.DATETIME, List.of(DateTimeType.class, StringType.class));
34     }
35
36     @Override
37     public DateTimeType parseCommand(Command command) throws IllegalArgumentException {
38         if (command instanceof DateTimeType) {
39             return ((DateTimeType) command);
40         } else {
41             return DateTimeType.valueOf(command.toString());
42         }
43     }
44
45     @Override
46     public String getMQTTpublishValue(Command command, @Nullable String pattern) {
47         String formatPattern = pattern;
48         if (formatPattern == null || "%s".contentEquals(formatPattern)) {
49             return DateTimeFormatter.ISO_LOCAL_DATE_TIME.format(((DateTimeType) command).getZonedDateTime());
50         }
51         return String.format(formatPattern, ((DateTimeType) command).getZonedDateTime());
52     }
53 }