Added support for carbon monoxide sensor and smoke sensor.

src/main/java/com/beowulfe/hap/accessories/CarbonMonoxideSensor.java

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+package com.beowulfe.hap.accessories;
+
+import com.beowulfe.hap.HomekitAccessory;
+import com.beowulfe.hap.HomekitCharacteristicChangeCallback;
+import com.beowulfe.hap.Service;
+import com.beowulfe.hap.accessories.properties.CarbonMonoxideDetectedState;
+import com.beowulfe.hap.impl.services.CarbonMonoxideSensorService;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.concurrent.CompletableFuture;
+
+/**
+ * <p>A carbon monoxide sensor reports whether carbon monoxide has been detected or not.</p>
+ *
+ * <p>Carbon monoxide sensors that run on batteries will need to implement this interface
+ * and also implement {@link BatteryAccessory}.</p>
+ *
+ * @author Gaston Dombiak
+ */
+public interface CarbonMonoxideSensor extends HomekitAccessory {
+
+    /**
+     * Retrieves the state of the sensor that indicates if carbon monoxide has been detected.
+     *
+     * @return a future that will contain the carbon monoxide sensor's state
+     */
+    CompletableFuture<CarbonMonoxideDetectedState> getCarbonMonoxideDetectedState();
+
+    @Override
+    default Collection<Service> getServices() {
+        return Collections.singleton(new CarbonMonoxideSensorService(this));
+    }
+
+    /**
+     * Subscribes to changes in the carbon monoxide's state.
+     *
+     * @param callback the function to call when the state changes.
+     */
+    void subscribeCarbonMonoxideDetectedState(HomekitCharacteristicChangeCallback callback);
+
+    /**
+     * Unsubscribes from changes in the carbon monoxide's state.
+     */
+    void unsubscribeCarbonMonoxideDetectedState();
+}

src/main/java/com/beowulfe/hap/accessories/SmokeSensor.java

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+package com.beowulfe.hap.accessories;
+
+import com.beowulfe.hap.HomekitAccessory;
+import com.beowulfe.hap.HomekitCharacteristicChangeCallback;
+import com.beowulfe.hap.Service;
+import com.beowulfe.hap.accessories.properties.SmokeDetectedState;
+import com.beowulfe.hap.impl.services.SmokeSensorService;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.concurrent.CompletableFuture;
+
+/**
+ * <p>A smoke sensor reports whether smoke has been detected or not.</p>
+ *
+ * <p>Smoke sensors that run on batteries will need to implement this interface
+ * and also implement {@link BatteryAccessory}.</p>
+ *
+ * @author Gaston Dombiak
+ */
+public interface SmokeSensor extends HomekitAccessory {
+
+    /**
+     * Retrieves the state of the smoke sensor. This is whether smoke has been detected or not.
+     *
+     * @return a future that will contain the smoke sensor's state
+     */
+    CompletableFuture<SmokeDetectedState> getSmokeDetectedState();
+
+    @Override
+    default Collection<Service> getServices() {
+        return Collections.singleton(new SmokeSensorService(this));
+    }
+
+    /**
+     * Subscribes to changes in the smoke sensor's state.
+     *
+     * @param callback the function to call when the state changes.
+     */
+    void subscribeSmokeDetectedState(HomekitCharacteristicChangeCallback callback);
+
+    /**
+     * Unsubscribes from changes in the smoke sensor's state.
+     */
+    void unsubscribeSmokeDetectedState();
+}

src/main/java/com/beowulfe/hap/accessories/properties/CarbonMonoxideDetectedState.java

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+package com.beowulfe.hap.accessories.properties;
+
+import java.util.Arrays;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+public enum CarbonMonoxideDetectedState {
+
+    NORMAL(0),
+    ABNORMAL(1);
+
+    private final static Map<Integer, CarbonMonoxideDetectedState> reverse;
+    static {
+        reverse = Arrays.stream(CarbonMonoxideDetectedState.values()).collect(Collectors.toMap(CarbonMonoxideDetectedState::getCode, t -> t));
+    }
+
+    public static CarbonMonoxideDetectedState fromCode(Integer code) {
+        return reverse.get(code);
+    }
+
+    private final int code;
+
+    CarbonMonoxideDetectedState(int code) {
+        this.code = code;
+    }
+
+    public int getCode() {
+        return code;
+    }
+}

src/main/java/com/beowulfe/hap/accessories/properties/SmokeDetectedState.java

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+package com.beowulfe.hap.accessories.properties;
+
+import java.util.Arrays;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+public enum SmokeDetectedState {
+
+    NOT_DETECTED(0),
+    DETECTED(1);
+
+    private final static Map<Integer, SmokeDetectedState> reverse;
+    static {
+        reverse = Arrays.stream(SmokeDetectedState.values()).collect(Collectors.toMap(SmokeDetectedState::getCode, t -> t));
+    }
+
+    public static SmokeDetectedState fromCode(Integer code) {
+        return reverse.get(code);
+    }
+
+    private final int code;
+
+    SmokeDetectedState(int code) {
+        this.code = code;
+    }
+
+    public int getCode() {
+        return code;
+    }
+}

src/main/java/com/beowulfe/hap/impl/characteristics/carbonmonoxide/Carbon/CarbonMonoxideDetectedCharacteristic.java

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+package com.beowulfe.hap.impl.characteristics.carbonmonoxide.Carbon;
+
+import com.beowulfe.hap.HomekitCharacteristicChangeCallback;
+import com.beowulfe.hap.accessories.CarbonMonoxideSensor;
+import com.beowulfe.hap.accessories.properties.CarbonMonoxideDetectedState;
+import com.beowulfe.hap.characteristics.EnumCharacteristic;
+import com.beowulfe.hap.characteristics.EventableCharacteristic;
+
+import java.util.concurrent.CompletableFuture;
+
+public class CarbonMonoxideDetectedCharacteristic extends EnumCharacteristic implements EventableCharacteristic {
+
+    private final CarbonMonoxideSensor carbonMonoxideSensor;
+
+    public CarbonMonoxideDetectedCharacteristic(CarbonMonoxideSensor carbonMonoxideSensor) {
+        super("00000069-0000-1000-8000-0026BB765291", false, true, "Carbon Monoxide Detected", 1);
+        this.carbonMonoxideSensor = carbonMonoxideSensor;
+    }
+
+    @Override
+    protected CompletableFuture<Integer> getValue() {
+        return carbonMonoxideSensor.getCarbonMonoxideDetectedState().thenApply(CarbonMonoxideDetectedState::getCode);
+    }
+
+    @Override
+    protected void setValue(Integer value) throws Exception {
+        //Read Only
+    }
+
+    @Override
+    public void subscribe(HomekitCharacteristicChangeCallback callback) {
+        carbonMonoxideSensor.subscribeCarbonMonoxideDetectedState(callback);
+    }
+
+    @Override
+    public void unsubscribe() {
+        carbonMonoxideSensor.unsubscribeCarbonMonoxideDetectedState();
+    }}

src/main/java/com/beowulfe/hap/impl/characteristics/smokesensor/SmokeDetectedCharacteristic.java

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+package com.beowulfe.hap.impl.characteristics.smokesensor;
+
+import com.beowulfe.hap.HomekitCharacteristicChangeCallback;
+import com.beowulfe.hap.accessories.SmokeSensor;
+import com.beowulfe.hap.accessories.properties.SmokeDetectedState;
+import com.beowulfe.hap.characteristics.EnumCharacteristic;
+import com.beowulfe.hap.characteristics.EventableCharacteristic;
+
+import java.util.concurrent.CompletableFuture;
+
+public class SmokeDetectedCharacteristic extends EnumCharacteristic implements EventableCharacteristic {
+
+    private final SmokeSensor smokeSensor;
+
+    public SmokeDetectedCharacteristic(SmokeSensor smokeSensor) {
+        super("00000076-0000-1000-8000-0026BB765291", false, true, "Smoke Detected", 1);
+        this.smokeSensor = smokeSensor;
+    }
+
+    @Override
+    protected CompletableFuture<Integer> getValue() {
+        return smokeSensor.getSmokeDetectedState().thenApply(SmokeDetectedState::getCode);
+    }
+
+    @Override
+    protected void setValue(Integer value) throws Exception {
+        //Read Only
+    }
+
+    @Override
+    public void subscribe(HomekitCharacteristicChangeCallback callback) {
+        smokeSensor.subscribeSmokeDetectedState(callback);
+    }
+
+    @Override
+    public void unsubscribe() {
+        smokeSensor.unsubscribeSmokeDetectedState();
+    }
+}

src/main/java/com/beowulfe/hap/impl/services/CarbonMonoxideSensorService.java

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+package com.beowulfe.hap.impl.services;
+
+import com.beowulfe.hap.accessories.CarbonMonoxideSensor;
+import com.beowulfe.hap.impl.characteristics.carbonmonoxide.Carbon.CarbonMonoxideDetectedCharacteristic;
+
+public class CarbonMonoxideSensorService extends AbstractServiceImpl {
+
+    public CarbonMonoxideSensorService(CarbonMonoxideSensor carbonMonoxideSensor) {
+        super("0000007F-0000-1000-8000-0026BB765291", carbonMonoxideSensor);
+        addCharacteristic(new CarbonMonoxideDetectedCharacteristic(carbonMonoxideSensor));
+    }
+}

src/main/java/com/beowulfe/hap/impl/services/SmokeSensorService.java

@@ -0,0 +1,12 @@
+package com.beowulfe.hap.impl.services;
+
+import com.beowulfe.hap.accessories.SmokeSensor;
+import com.beowulfe.hap.impl.characteristics.smokesensor.SmokeDetectedCharacteristic;
+
+public class SmokeSensorService extends AbstractServiceImpl {
+
+    public SmokeSensorService(SmokeSensor smokeSensor) {
+        super("00000087-0000-1000-8000-0026BB765291", smokeSensor);
+        addCharacteristic(new SmokeDetectedCharacteristic(smokeSensor));
+    }
+}