Add optional Mute characteristic to Doorbell service

CHANGES.md

@@ -1,3 +1,6 @@
+# HAP-Java 2.0.10
+* Add optional Mute characteristic to Doorbell service
+
 # HAP-Java 2.0.9
 * Fix Set Duration and Remaining Duration characteristics to advertise format `uint32` instead of `int` [#202](https://github.com/hap-java/HAP-Java/issues/202)
 * Stop logging the SRP shared secret, derived key and M5 message data during pairing at DEBUG level

src/main/java/io/github/hapjava/services/impl/DoorbellService.java

@@ -2,8 +2,10 @@
 
 import io.github.hapjava.accessories.DoorbellAccessory;
 import io.github.hapjava.accessories.optionalcharacteristic.AccessoryWithBrightness;
+import io.github.hapjava.accessories.optionalcharacteristic.AccessoryWithMute;
 import io.github.hapjava.accessories.optionalcharacteristic.AccessoryWithName;
 import io.github.hapjava.accessories.optionalcharacteristic.AccessoryWithVolume;
+import io.github.hapjava.characteristics.impl.audio.MuteCharacteristic;
 import io.github.hapjava.characteristics.impl.audio.VolumeCharacteristic;
 import io.github.hapjava.characteristics.impl.common.NameCharacteristic;
 import io.github.hapjava.characteristics.impl.common.ProgrammableSwitchEventCharacteristic;
@@ -42,6 +44,14 @@ public DoorbellService(DoorbellAccessory accessory) {
               ((AccessoryWithVolume) accessory)::subscribeVolume,
               ((AccessoryWithVolume) accessory)::unsubscribeVolume));
     }
+    if (accessory instanceof AccessoryWithMute) {
+      addOptionalCharacteristic(
+          new MuteCharacteristic(
+              ((AccessoryWithMute) accessory)::isMuted,
+              ((AccessoryWithMute) accessory)::setMute,
+              ((AccessoryWithMute) accessory)::subscribeMuteState,
+              ((AccessoryWithMute) accessory)::unsubscribeMuteState));
+    }
   }
 
   public void addOptionalCharacteristic(NameCharacteristic name) {
@@ -55,4 +65,8 @@ public void addOptionalCharacteristic(BrightnessCharacteristic brightness) {
   public void addOptionalCharacteristic(VolumeCharacteristic volume) {
     addCharacteristic(volume);
   }
+
+  public void addOptionalCharacteristic(MuteCharacteristic mute) {
+    addCharacteristic(mute);
+  }
 }

src/test/java/io/github/hapjava/services/impl/DoorbellServiceTest.java

@@ -0,0 +1,51 @@
+package io.github.hapjava.services.impl;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.withSettings;
+
+import io.github.hapjava.accessories.DoorbellAccessory;
+import io.github.hapjava.accessories.optionalcharacteristic.AccessoryWithMute;
+import io.github.hapjava.characteristics.Characteristic;
+import io.github.hapjava.characteristics.impl.audio.MuteCharacteristic;
+import io.github.hapjava.characteristics.impl.common.ProgrammableSwitchEventCharacteristic;
+import java.util.concurrent.CompletableFuture;
+import javax.json.JsonObject;
+import javax.json.JsonValue;
+import org.junit.Test;
+
+public class DoorbellServiceTest {
+
+  @Test
+  public void doorbellWithoutOptionalsOnlyHasSwitchEvent() {
+    DoorbellService service = new DoorbellService(mock(DoorbellAccessory.class));
+
+    assertThat(service.getType()).isEqualTo("00000121-0000-1000-8000-0026BB765291");
+    assertThat(service.getCharacteristics())
+        .hasExactlyElementsOfTypes(ProgrammableSwitchEventCharacteristic.class);
+  }
+
+  @Test
+  public void doorbellWithMuteHasMuteCharacteristic() throws Exception {
+    DoorbellAccessory accessory =
+        mock(DoorbellAccessory.class, withSettings().extraInterfaces(AccessoryWithMute.class));
+    when(((AccessoryWithMute) accessory).isMuted())
+        .thenReturn(CompletableFuture.completedFuture(true));
+
+    DoorbellService service = new DoorbellService(accessory);
+
+    assertThat(service.getCharacteristics())
+        .hasExactlyElementsOfTypes(
+            ProgrammableSwitchEventCharacteristic.class, MuteCharacteristic.class);
+
+    Characteristic mute = service.getCharacteristics().get(1);
+    JsonObject json = mute.toJson(2).join();
+    assertThat(json.getString("type")).isEqualTo("11A");
+    assertThat(json.getBoolean("value")).isTrue();
+
+    mute.setValue(JsonValue.FALSE);
+    verify((AccessoryWithMute) accessory).setMute(false);
+  }
+}