patrick/Data
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

code clean

Browse Source
This commit is contained in:
Patrick Haßel 2025-02-24 11:45:52 +01:00
parent 908134600c
commit e005f1ef8c
23 changed files with 256 additions and 268 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/main/java/de/ph87/data/Backend.java
View File

@ -5,9 +5,9 @@ import org.springframework.boot.autoconfigure.*;
@SpringBootApplication
public class Backend {
public static void main(String[] args) {
SpringApplication.run(Backend.class, args);
}
}

4
src/main/java/de/ph87/data/message/IMessageHandler.java
View File

@ -3,7 +3,7 @@ package de.ph87.data.message;
import lombok.*;
public interface IMessageHandler {
void handle(@NonNull final Message message) throws Exception;
}

10
src/main/java/de/ph87/data/message/Message.java
View File

@ -5,18 +5,18 @@ import lombok.*;
@Getter
@ToString
public class Message {
public final String topic;
@ToString.Exclude
public final String payload;
public final String payloadLoggable;
public Message(final String topic, final String payload) {
this.topic = topic;
this.payload = payload;
this.payloadLoggable = payload.replace("\n", "\\n").replace("\r", "\\r");
}
}

6
src/main/java/de/ph87/data/message/MessageService.java
View File

@ -10,9 +10,9 @@ import java.util.*;
@Service
@RequiredArgsConstructor
public class MessageService {
private final List<IMessageHandler> messageHandlers;
public void handle(@NonNull final Message message) {
messageHandlers.forEach(handler -> {
try {
@ -22,5 +22,5 @@ public class MessageService {
}
});
}
}

53
src/main/java/de/ph87/data/message/handler/EspHomeHandler.java
View File

@ -6,8 +6,7 @@ import com.fasterxml.jackson.databind.annotation.*;
import de.ph87.data.message.*;
import de.ph87.data.series.*;
import de.ph87.data.series.entry.*;
import de.ph87.data.unit.Value;
import de.ph87.data.unit.*;
import de.ph87.data.value.Value;
import lombok.*;
import lombok.extern.slf4j.*;
import org.springframework.stereotype.*;
@ -21,13 +20,13 @@ import java.util.stream.*;
@Service
@RequiredArgsConstructor
public class EspHomeHandler implements IMessageHandler {
private static final Pattern REGEX = Pattern.compile("^(?<area>\\w+)/sensor/(?<property>\\w+)$");
private final ObjectMapper objectMapper;
private final EntryService entryService;
@Override
public void handle(@NonNull final Message message) throws Exception {
final Matcher matcher = REGEX.matcher(message.topic);
@ -37,15 +36,15 @@ public class EspHomeHandler implements IMessageHandler {
final String area = matcher.group("area");
final String property = propertyReplace(matcher.group("property"));
final String name = "%s/%s".formatted(area, property.replace("_", "/"));
final Unit targetUnit = switch (property) {
case "iaq" -> Unit.IAQ;
case "iaq_co2" -> Unit.IAQ_CO2_EQUIVALENT;
case "iaq_voc" -> Unit.IAQ_VOC_EQUIVALENT;
case "pressure" -> Unit.PRESSURE_HPA;
case "temperature" -> Unit.TEMPERATURE_C;
case "humidity_relative" -> Unit.HUMIDITY_RELATIVE_PERCENT;
case "humidity_absolute" -> Unit.HUMIDITY_ABSOLUTE_GM3;
case "sun" -> Unit.SUN_DC;
final Value.Unit targetUnit = switch (property) {
case "iaq" -> Value.Unit.IAQ;
case "iaq_co2" -> Value.Unit.IAQ_CO2_EQUIVALENT;
case "iaq_voc" -> Value.Unit.IAQ_VOC_EQUIVALENT;
case "pressure" -> Value.Unit.PRESSURE_HPA;
case "temperature" -> Value.Unit.TEMPERATURE_C;
case "humidity_relative" -> Value.Unit.HUMIDITY_RELATIVE_PERCENT;
case "humidity_absolute" -> Value.Unit.HUMIDITY_ABSOLUTE_GM3;
case "sun" -> Value.Unit.SUN_DC;
default -> null;
};
if (targetUnit == null) {
@ -53,7 +52,7 @@ public class EspHomeHandler implements IMessageHandler {
return;
}
final Inbound inbound = objectMapper.readValue(message.payload, Inbound.class);
final Unit unitFromPayload = inbound.units.stream().filter(ufp -> ufp.base == targetUnit.base).findFirst().orElse(null);
final Value.Unit unitFromPayload = inbound.units.stream().filter(ufp -> ufp.base == targetUnit.base).findFirst().orElse(null);
if (unitFromPayload == null) {
log.error("Unit mismatch: fromTopic={}, fromPayload=[{}]", targetUnit, inbound.getUnits().stream().map(Enum::name).collect(Collectors.joining(",")));
return;
@ -61,7 +60,7 @@ public class EspHomeHandler implements IMessageHandler {
final Value value = new Value(inbound.value, unitFromPayload);
entryService.receive(new SeriesInbound(name, inbound.date, value.as(targetUnit)));
}
private String propertyReplace(final String property) {
if ("iaq_co2_equivalent".equals(property)) {
return "iaq_co2";
@ -71,26 +70,26 @@ public class EspHomeHandler implements IMessageHandler {
}
return property;
}
@Getter
@ToString
private static class Inbound {
@NonNull
public final ZonedDateTime date;
public final double value;
@NonNull
@JsonDeserialize(using = UnitListDeserializer.class)
public final List<Unit> units;
public Inbound(final long timestamp, final double value, @JsonProperty("unit") @NonNull final List<Unit> units) {
@JsonDeserialize(using = Value.Unit.ListDeserializer.class)
public final List<Value.Unit> units;
public Inbound(final long timestamp, final double value, @JsonProperty("unit") @NonNull final List<Value.Unit> units) {
this.date = ZonedDateTime.ofInstant(Instant.ofEpochSecond(timestamp), ZoneId.systemDefault());
this.value = value;
this.units = units;
}
}
}

25
src/main/java/de/ph87/data/message/handler/HeizungHandler.java
View File

@ -4,8 +4,7 @@ import com.fasterxml.jackson.databind.*;
import de.ph87.data.message.*;
import de.ph87.data.series.*;
import de.ph87.data.series.entry.*;
import de.ph87.data.unit.Value;
import de.ph87.data.unit.*;
import de.ph87.data.value.Value;
import lombok.*;
import lombok.extern.slf4j.*;
import org.springframework.stereotype.*;
@ -17,13 +16,13 @@ import java.util.regex.*;
@Service
@RequiredArgsConstructor
public class HeizungHandler implements IMessageHandler {
private static final Pattern REGEX = Pattern.compile("^aggregation/(?<property>heizung/.+)/temperatur$");
private final ObjectMapper objectMapper;
private final EntryService entryService;
@Override
public void handle(@NonNull final Message message) throws Exception {
final Matcher matcher = REGEX.matcher(message.topic);
@ -34,21 +33,21 @@ public class HeizungHandler implements IMessageHandler {
final Inbound inbound = objectMapper.readValue(message.payload, Inbound.class);
entryService.receive(new SeriesInbound(property, inbound.date, inbound.value));
}
@Getter
@ToString
private static class Inbound {
@NonNull
public final ZonedDateTime date;
public final Value value;
public Inbound(final long timestamp, final double sum, final int count) {
this.date = ZonedDateTime.ofInstant(Instant.ofEpochSecond(timestamp), ZoneId.systemDefault());
this.value = new Value(sum / count, Unit.TEMPERATURE_C);
this.value = new Value(sum / count, Value.Unit.TEMPERATURE_C);
}
}
}

31
src/main/java/de/ph87/data/message/handler/OpenDTUHandler.java
View File

@ -4,8 +4,7 @@ import com.fasterxml.jackson.databind.*;
import de.ph87.data.message.*;
import de.ph87.data.series.*;
import de.ph87.data.series.entry.*;
import de.ph87.data.unit.Value;
import de.ph87.data.unit.*;
import de.ph87.data.value.Value;
import lombok.*;
import lombok.extern.slf4j.*;
import org.springframework.stereotype.*;
@ -16,38 +15,38 @@ import java.time.*;
@Service
@RequiredArgsConstructor
public class OpenDTUHandler implements IMessageHandler {
private final ObjectMapper objectMapper;
private final EntryService entryService;
@Override
public void handle(final @NonNull Message message) throws Exception {
if (!"openDTU/pv/patrix/json".equals(message.topic)) {
return;
}
final Inbound inbound = objectMapper.readValue(message.payload, Inbound.class);
entryService.receive(new SeriesInbound("electricity/energy/produced", inbound.date, inbound.energy.as(Unit.ENERGY_KWH)));
entryService.receive(new SeriesInbound("electricity/power/produced", inbound.date, inbound.power.as(Unit.POWER_W)));
entryService.receive(new SeriesInbound("electricity/energy/produced", inbound.date, inbound.energy.as(Value.Unit.ENERGY_KWH)));
entryService.receive(new SeriesInbound("electricity/power/produced", inbound.date, inbound.power.as(Value.Unit.POWER_W)));
}
@Getter
@ToString
private static class Inbound {
@NonNull
public final ZonedDateTime date;
public final Value energy;
public final Value power;
public Inbound(final long timestamp, final double energyProducedKWh, final double powerW) {
this.date = ZonedDateTime.ofInstant(Instant.ofEpochSecond(timestamp), ZoneId.systemDefault());
this.energy = new Value(energyProducedKWh, Unit.ENERGY_KWH);
this.power = new Value(powerW, Unit.POWER_W);
this.energy = new Value(energyProducedKWh, Value.Unit.ENERGY_KWH);
this.power = new Value(powerW, Value.Unit.POWER_W);
}
}
}

25
src/main/java/de/ph87/data/message/handler/SimpleJsonHandler.java
View File

@ -4,8 +4,7 @@ import com.fasterxml.jackson.databind.*;
import de.ph87.data.message.*;
import de.ph87.data.series.*;
import de.ph87.data.series.entry.*;
import de.ph87.data.unit.Value;
import de.ph87.data.unit.*;
import de.ph87.data.value.Value;
import lombok.*;
import lombok.extern.slf4j.*;
import org.springframework.stereotype.*;
@ -16,11 +15,11 @@ import java.time.*;
@Service
@RequiredArgsConstructor
public class SimpleJsonHandler implements IMessageHandler {
private final ObjectMapper objectMapper;
private final EntryService entryService;
@Override
public void handle(@NonNull final Message message) throws Exception {
if (!message.topic.endsWith("/SimpleJson")) {
@ -29,25 +28,25 @@ public class SimpleJsonHandler implements IMessageHandler {
final Inbound inbound = objectMapper.readValue(message.payload, Inbound.class);
entryService.receive(new SeriesInbound(inbound.name, inbound.date, inbound.value));
}
@Getter
@ToString
private static class Inbound {
@NonNull
public final String name;
@NonNull
public final ZonedDateTime date;
public final Value value;
public Inbound(@NonNull final String name, final long timestamp, final double value, @NonNull final Unit unit) {
public Inbound(@NonNull final String name, final long timestamp, final double value, @NonNull final Value.Unit unit) {
this.name = name;
this.date = ZonedDateTime.ofInstant(Instant.ofEpochSecond(timestamp), ZoneId.systemDefault());
this.value = new Value(value, unit);
}
}
}

37
src/main/java/de/ph87/data/message/handler/SmartMeterHandler.java
View File

@ -4,8 +4,7 @@ import com.fasterxml.jackson.databind.*;
import de.ph87.data.message.*;
import de.ph87.data.series.*;
import de.ph87.data.series.entry.*;
import de.ph87.data.unit.Value;
import de.ph87.data.unit.*;
import de.ph87.data.value.Value;
import lombok.*;
import lombok.extern.slf4j.*;
import org.springframework.stereotype.*;
@ -16,42 +15,42 @@ import java.time.*;
@Service
@RequiredArgsConstructor
public class SmartMeterHandler implements IMessageHandler {
private final ObjectMapper objectMapper;
private final EntryService entryService;
@Override
public void handle(@NonNull final Message message) throws Exception {
if (!"electricity/grid/json".equals(message.topic)) {
return;
}
final Inbound inbound = objectMapper.readValue(message.payload, Inbound.class);
entryService.receive(new SeriesInbound("electricity/energy/purchased", inbound.date, inbound.energyPurchased.as(Unit.ENERGY_KWH)));
entryService.receive(new SeriesInbound("electricity/energy/delivered", inbound.date, inbound.energyDelivered.as(Unit.ENERGY_KWH)));
entryService.receive(new SeriesInbound("electricity/power/difference", inbound.date, inbound.powerDifference.as(Unit.POWER_W)));
entryService.receive(new SeriesInbound("electricity/energy/purchased", inbound.date, inbound.energyPurchased.as(Value.Unit.ENERGY_KWH)));
entryService.receive(new SeriesInbound("electricity/energy/delivered", inbound.date, inbound.energyDelivered.as(Value.Unit.ENERGY_KWH)));
entryService.receive(new SeriesInbound("electricity/power/difference", inbound.date, inbound.powerDifference.as(Value.Unit.POWER_W)));
}
@Getter
@ToString
private static class Inbound {
@NonNull
public final ZonedDateTime date;
public final Value energyPurchased;
public final Value energyDelivered;
public final Value powerDifference;
public Inbound(final long timestamp, final double purchaseWh, final double deliveryWh, final double powerW) {
this.date = ZonedDateTime.ofInstant(Instant.ofEpochSecond(timestamp), ZoneId.systemDefault());
this.energyPurchased = new Value(purchaseWh, Unit.ENERGY_WH);
this.energyDelivered = new Value(deliveryWh, Unit.ENERGY_WH);
this.powerDifference = new Value(powerW, Unit.POWER_W);
this.energyPurchased = new Value(purchaseWh, Value.Unit.ENERGY_WH);
this.energyDelivered = new Value(deliveryWh, Value.Unit.ENERGY_WH);
this.powerDifference = new Value(powerW, Value.Unit.POWER_W);
}
}
}

16
src/main/java/de/ph87/data/message/receive/mqtt/MqttConfig.java
View File

@ -8,19 +8,19 @@ import org.springframework.stereotype.*;
@Component
@ConfigurationProperties(prefix = "de.ph87.data.message.receive.mqtt")
public class MqttConfig {
private String host;
private int port = 1883;
private String topic;
private String clientId;
private int connectTimeoutSec = 3;
private long retrySec = 3;
private int connectKeepAliveSec = 3;
}

24
src/main/java/de/ph87/data/message/receive/mqtt/MqttReceiver.java
View File

@ -17,23 +17,23 @@ import java.util.*;
@Service
@RequiredArgsConstructor
public class MqttReceiver {
private final MqttConfig config;
private final MessageService messageService;
@Nullable
private MqttClient client;
private final Thread thread = new Thread(this::run, "MQTT-WATCH");
private boolean stop = false;
@EventListener(ApplicationStartedEvent.class)
public void startup() {
thread.start();
}
@PreDestroy
public void preDestroy() {
synchronized (thread) {
@ -42,7 +42,7 @@ public class MqttReceiver {
log.debug("stopping...");
}
}
private void run() {
try {
log.debug("started");
@ -63,7 +63,7 @@ public class MqttReceiver {
log.debug("terminated");
}
}
private void _connect() throws InterruptedException {
final String clientId;
final boolean cleanSession;
@ -97,7 +97,7 @@ public class MqttReceiver {
}
}
}
private void _disconnect() {
if (client != null && client.isConnected()) {
try {
@ -107,7 +107,7 @@ public class MqttReceiver {
}
}
}
private void _receive(final String topic, final MqttMessage mqttMessage) {
Thread.currentThread().setName("MQTT-RECEIVE");
final String payload = new String(mqttMessage.getPayload(), StandardCharsets.UTF_8);
@ -115,5 +115,5 @@ public class MqttReceiver {
log.debug("received: {}", message);
messageService.handle(message);
}
}

20
src/main/java/de/ph87/data/series/Series.java
View File

@ -1,6 +1,6 @@
package de.ph87.data.series;
import de.ph87.data.unit.*;
import de.ph87.data.value.Value;
import jakarta.persistence.*;
import lombok.*;
@ -9,35 +9,35 @@ import lombok.*;
@ToString
@NoArgsConstructor
public class Series {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private long id;
@Setter
@NonNull
@Column(nullable = false, unique = true)
private String name;
@Setter
@NonNull
@Column(nullable = false, unique = true)
private String title;
@Setter
@NonNull
@Column(nullable = false)
@Enumerated(EnumType.STRING)
private Unit unit;
private Value.Unit unit;
@Setter
@Column(nullable = false)
private int decimals = 1;
public Series(@NonNull final String name, @NonNull final Unit unit) {
public Series(@NonNull final String name, @NonNull final Value.Unit unit) {
this.name = name;
this.title = name;
this.unit = unit;
}
}

20
src/main/java/de/ph87/data/series/SeriesDto.java
View File

@ -1,23 +1,23 @@
package de.ph87.data.series;
import de.ph87.data.unit.*;
import de.ph87.data.value.Value;
import jakarta.annotation.*;
import lombok.*;
@Getter
@ToString
public class SeriesDto {
public final long id;
public final String name;
public final String title;
public final Unit unit;
public final Value.Unit unit;
public final int decimals;
public SeriesDto(@NonNull final Series series) {
this.id = series.getId();
this.name = series.getName();
@ -25,12 +25,12 @@ public class SeriesDto {
this.unit = series.getUnit();
this.decimals = series.getDecimals();
}
public String format(@Nullable final Double value) {
if (value == null || Double.isNaN(value)) {
return "--- %s".formatted(unit.unit);
}
return "%%.%df %%s".formatted(decimals).formatted(value, unit.unit);
}
}

12
src/main/java/de/ph87/data/series/SeriesInbound.java
View File

@ -1,6 +1,6 @@
package de.ph87.data.series;
import de.ph87.data.unit.Value;
import de.ph87.data.value.Value;
import lombok.*;
import java.time.*;
@ -8,19 +8,19 @@ import java.time.*;
@Getter
@ToString
public class SeriesInbound {
@NonNull
public final String name;
@NonNull
public final ZonedDateTime date;
public final Value value;
public SeriesInbound(@NonNull final String name, @NonNull final ZonedDateTime date, final Value value) {
this.name = name;
this.date = date;
this.value = value;
}
}

4
src/main/java/de/ph87/data/series/SeriesRepository.java
View File

@ -6,7 +6,7 @@ import org.springframework.data.repository.*;
import java.util.*;
public interface SeriesRepository extends ListCrudRepository<Series, Long> {
Optional<Series> findByName(@NonNull String name);
}

22
src/main/java/de/ph87/data/series/SeriesService.java
View File

@ -1,7 +1,7 @@
package de.ph87.data.series;
import de.ph87.data.*;
import de.ph87.data.unit.*;
import de.ph87.data.value.Value;
import lombok.*;
import lombok.extern.slf4j.*;
import org.springframework.stereotype.*;
@ -14,42 +14,42 @@ import java.util.function.*;
@Transactional
@RequiredArgsConstructor
public class SeriesService {
private final SeriesRepository seriesRepository;
@SuppressWarnings("unused")
public SeriesDto modify(final long id, @NonNull final Consumer<Series> modifier) {
final Series series = getById(id);
modifier.accept(series);
return publish(series, Action.CHANGED);
}
@SuppressWarnings("unused")
public void delete(final long id) {
final Series series = getById(id);
seriesRepository.delete(series);
publish(series, Action.DELETED);
}
private Series getById(final long id) {
return seriesRepository.findById(id).orElseThrow();
}
public SeriesDto getDtoById(final long id) {
return toDto(getById(id));
}
private SeriesDto publish(@NonNull final Series series, @NonNull final Action action) {
final SeriesDto dto = toDto(series);
log.info("Series {}: {}", action, series);
return dto;
}
private SeriesDto toDto(@NonNull final Series series) {
return new SeriesDto(series);
}
public Series getOrCreate(@NonNull final String name, @NonNull final Unit unit) {
public Series getOrCreate(@NonNull final String name, @NonNull final Value.Unit unit) {
return seriesRepository
.findByName(name)
.orElseGet(() -> {
@ -58,5 +58,5 @@ public class SeriesService {
return series;
});
}
}

17
src/main/java/de/ph87/data/series/entry/Entry.java
View File

@ -1,8 +1,7 @@
package de.ph87.data.series.entry;
import de.ph87.data.series.*;
import de.ph87.data.unit.Value;
import de.ph87.data.unit.*;
import de.ph87.data.value.Value;
import jakarta.persistence.*;
import lombok.*;
@ -19,27 +18,27 @@ import java.time.temporal.*;
}
)
public class Entry {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private long id;
@NonNull
@ManyToOne
private Series series;
@NonNull
@Column(nullable = false)
private ZonedDateTime date;
@Setter
@Column(nullable = false, name = "`value`")
private double value;
public Entry(@NonNull final Series series, @NonNull final ZonedDateTime date, final Value value) throws Unit.NotConvertible {
public Entry(@NonNull final Series series, @NonNull final ZonedDateTime date, final Value value) throws Value.Unit.NotConvertible {
this.series = series;
this.date = date.truncatedTo(ChronoUnit.MINUTES);
this.value = value.as(series.getUnit()).value;
}
}

6
src/main/java/de/ph87/data/series/entry/EntryRepository.java
View File

@ -8,9 +8,9 @@ import java.time.*;
import java.util.*;
public interface EntryRepository extends ListCrudRepository<Entry, Long> {
Optional<Entry> findBySeriesAndDate(@NonNull Series series, @NonNull ZonedDateTime truncated);
List<Entry> findAllBySeriesIdAndDateGreaterThanEqualAndDateLessThanEqual(long id, @NonNull ZonedDateTime begin, @NonNull ZonedDateTime end);
}

6
src/main/java/de/ph87/data/series/entry/EntryService.java
View File

@ -1,7 +1,7 @@
package de.ph87.data.series.entry;
import de.ph87.data.series.*;
import de.ph87.data.unit.*;
import de.ph87.data.value.Value;
import lombok.*;
import lombok.extern.slf4j.*;
import org.springframework.stereotype.*;
@ -20,7 +20,7 @@ public class EntryService {
private final SeriesService seriesService;
public void write(@NonNull final Series series, @NonNull final SeriesInbound measure) throws Unit.NotConvertible {
public void write(@NonNull final Series series, @NonNull final SeriesInbound measure) throws Value.Unit.NotConvertible {
final ZonedDateTime truncated = measure.date.truncatedTo(ChronoUnit.MINUTES).minusMinutes(measure.date.getMinute() % 5);
if (entryRepository.findBySeriesAndDate(series, truncated).isEmpty()) {
final Entry created = entryRepository.save(new Entry(series, truncated, measure.value));
@ -28,7 +28,7 @@ public class EntryService {
}
}
public void receive(@NonNull final SeriesInbound measure) throws Unit.NotConvertible {
public void receive(@NonNull final SeriesInbound measure) throws Value.Unit.NotConvertible {
final Series series = seriesService.getOrCreate(measure.name, measure.value.unit);
write(series, measure);
}

51
src/main/java/de/ph87/data/unit/Unit.java
View File

@ -1,51 +0,0 @@
package de.ph87.data.unit;
import lombok.*;
public enum Unit {
TEMPERATURE_C("°C"),
PRESSURE_HPA("hPa"),
HUMIDITY_RELATIVE_PERCENT("%"),
HUMIDITY_ABSOLUTE_MGL("mg/L"),
HUMIDITY_ABSOLUTE_GM3("g/m³", 1, HUMIDITY_ABSOLUTE_MGL),
ILLUMINANCE_LUX("lux"),
RESISTANCE_OHMS("Ω"),
ALTITUDE_M("m"),
POWER_W("W"),
POWER_KW("kW", 1000, POWER_W),
ENERGY_WH("W"),
ENERGY_KWH("kWh", 1000, ENERGY_WH),
IAQ("IAQ"),
IAQ_CO2_EQUIVALENT("ppm"),
IAQ_VOC_EQUIVALENT("ppm"),
SUN_DC("Δ°C"),
UNIT_PERCENT("%"),
;
public final String unit;
public final double factor;
public final Unit base;
Unit(@NonNull final String unit) {
this.unit = unit;
this.factor = 1.0;
this.base = this;
}
Unit(@NonNull final String unit, final double factor, @NonNull final Unit base) {
this.unit = unit;
this.factor = factor;
this.base = base;
}
public static class NotConvertible extends Exception {
public NotConvertible(final @NonNull Unit source, final Unit target) {
super("Cannot convert Units: source=%s, target=%s".formatted(source, target));
}
}
}

17
src/main/java/de/ph87/data/unit/UnitListDeserializer.java
View File

@ -1,17 +0,0 @@
package de.ph87.data.unit;
import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.databind.*;
import java.io.*;
import java.util.*;
public class UnitListDeserializer extends JsonDeserializer<List<Unit>> {
@Override
public List<Unit> deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException {
final String name = jsonParser.getValueAsString();
return Arrays.stream(Unit.values()).filter(unit -> unit.unit.equals(name)).toList();
}
}

26
src/main/java/de/ph87/data/unit/Value.java
View File

@ -1,26 +0,0 @@
package de.ph87.data.unit;
import lombok.*;
public class Value {
public final double value;
public final Unit unit;
public Value(final double value, @NonNull final Unit unit) {
this.value = value;
this.unit = unit;
}
public Value as(@NonNull final Unit target) throws Unit.NotConvertible {
if (this.unit == target) {
return this;
}
if (this.unit.base != target.base) {
throw new Unit.NotConvertible(this.unit, target);
}
return new Value(value * this.unit.factor / target.factor, target);
}
}

88
src/main/java/de/ph87/data/value/Value.java Normal file
View File

@ -0,0 +1,88 @@
package de.ph87.data.value;
import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.databind.*;
import lombok.*;
import java.io.*;
import java.util.*;
public class Value {
public final double value;
public final Unit unit;
public Value(final double value, @NonNull final Unit unit) {
this.value = value;
this.unit = unit;
}
public Value as(@NonNull final Unit target) throws Unit.NotConvertible {
if (this.unit == target) {
return this;
}
if (this.unit.base != target.base) {
throw new Unit.NotConvertible(this.unit, target);
}
return new Value(value * this.unit.factor / target.factor, target);
}
public enum Unit {
TEMPERATURE_C("°C"),
PRESSURE_HPA("hPa"),
HUMIDITY_RELATIVE_PERCENT("%"),
HUMIDITY_ABSOLUTE_MGL("mg/L"),
HUMIDITY_ABSOLUTE_GM3("g/m³", 1, HUMIDITY_ABSOLUTE_MGL),
ILLUMINANCE_LUX("lux"),
RESISTANCE_OHMS("Ω"),
ALTITUDE_M("m"),
POWER_W("W"),
POWER_KW("kW", 1000, POWER_W),
ENERGY_WH("W"),
ENERGY_KWH("kWh", 1000, ENERGY_WH),
IAQ("IAQ"),
IAQ_CO2_EQUIVALENT("ppm"),
IAQ_VOC_EQUIVALENT("ppm"),
SUN_DC("Δ°C"),
UNIT_PERCENT("%"),
;
public final String unit;
public final double factor;
public final Unit base;
Unit(@NonNull final String unit) {
this.unit = unit;
this.factor = 1.0;
this.base = this;
}
Unit(@NonNull final String unit, final double factor, @NonNull final Value.Unit base) {
this.unit = unit;
this.factor = factor;
this.base = base;
}
public static class NotConvertible extends Exception {
public NotConvertible(final @NonNull Value.Unit source, final Unit target) {
super("Cannot convert Units: source=%s, target=%s".formatted(source, target));
}
}
public static class ListDeserializer extends JsonDeserializer<List<Unit>> {
@Override
public List<Unit> deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException {
final String name = jsonParser.getValueAsString();
return Arrays.stream(values()).filter(unit -> unit.unit.equals(name)).toList();
}
}
}
}