[oppo] rollforward a few review changes from sister bindings and fix a title (openhab#8335)

* Rollforward a few review changes
* fix thread naming convention

Signed-off-by: Michael Lobstein <[email protected]>

Author: mlobstein

bundles/org.openhab.binding.oppo/src/main/feature/feature.xml

@@ -2,7 +2,7 @@
 <features name="org.openhab.binding.oppo-${project.version}" xmlns="http://karaf.apache.org/xmlns/features/v1.4.0">
 	<repository>mvn:org.openhab.core.features.karaf/org.openhab.core.features.karaf.openhab-core/${ohc.version}/xml/features</repository>
 
-	<feature name="openhab-binding-oppo" description="Oppo Whole House Audio Binding" version="${project.version}">
+	<feature name="openhab-binding-oppo" description="Oppo Blu-ray Player Binding" version="${project.version}">
 		<feature>openhab-runtime-base</feature>
 		<feature>openhab-transport-serial</feature>
 		<bundle start-level="80">mvn:org.openhab.addons.bundles/org.openhab.binding.oppo/${project.version}</bundle>

bundles/org.openhab.binding.oppo/src/main/java/org/openhab/binding/oppo/internal/communication/OppoCommand.java

@@ -66,7 +66,7 @@ public enum OppoCommand {
     SET_INPUT_SOURCE("SIS"),
     NO_OP("NOP");
 
-    private String value;
+    private final String value;
 
     public static final Set<OppoCommand> INITIAL_COMMANDS = new HashSet<>(
             Arrays.asList(QUERY_POWER_STATUS, QUERY_FIRMWARE_VERSION, QUERY_VOLUME, QUERY_HDMI_RESOLUTION,

bundles/org.openhab.binding.oppo/src/main/java/org/openhab/binding/oppo/internal/communication/OppoConnector.java

@@ -58,7 +58,7 @@ public abstract class OppoConnector {
 
     private @Nullable Thread readerThread;
 
-    private List<OppoMessageEventListener> listeners = new ArrayList<>();
+    private final List<OppoMessageEventListener> listeners = new ArrayList<>();
 
     /**
      * Called when using direct IP connection for 83/93/95/103/105
@@ -135,12 +135,12 @@ protected void cleanup() {
         }
         if (readerThread != null) {
             readerThread.interrupt();
+            this.readerThread = null;
             try {
                 readerThread.join(3000);
             } catch (InterruptedException e) {
                 logger.warn("Error joining readerThread: {}", e.getMessage());
             }
-            this.readerThread = null;
         }
     }
 

bundles/org.openhab.binding.oppo/src/main/java/org/openhab/binding/oppo/internal/communication/OppoIpConnector.java

@@ -35,8 +35,8 @@
 public class OppoIpConnector extends OppoConnector {
     private final Logger logger = LoggerFactory.getLogger(OppoIpConnector.class);
 
-    private @Nullable String address;
-    private int port;
+    private final @Nullable String address;
+    private final int port;
 
     private @Nullable Socket clientSocket;
 

bundles/org.openhab.binding.oppo/src/main/java/org/openhab/binding/oppo/internal/communication/OppoMessageEvent.java

@@ -25,8 +25,8 @@
 public class OppoMessageEvent extends EventObject {
 
     private static final long serialVersionUID = 1L;
-    private String key;
-    private String value;
+    private final String key;
+    private final String value;
 
     public OppoMessageEvent(Object source, String key, String value) {
         super(source);

bundles/org.openhab.binding.oppo/src/main/java/org/openhab/binding/oppo/internal/communication/OppoReaderThread.java

@@ -40,9 +40,10 @@ public class OppoReaderThread extends Thread {
      * Constructor
      *
      * @param connector the object that should handle the received message
+     * @param connectionId a string that uniquely identifies the particular connection
      */
-    public OppoReaderThread(OppoConnector connector, String uid) {
-        super(OppoBindingConstants.BINDING_ID + "-" + uid);
+    public OppoReaderThread(OppoConnector connector, String connectionId) {
+        super("OH-binding-" + OppoBindingConstants.THING_TYPE_PLAYER + "-" + connectionId);
         this.connector = connector;
         setDaemon(true);
     }

bundles/org.openhab.binding.oppo/src/main/java/org/openhab/binding/oppo/internal/communication/OppoSerialConnector.java

@@ -37,8 +37,8 @@
 public class OppoSerialConnector extends OppoConnector {
     private final Logger logger = LoggerFactory.getLogger(OppoSerialConnector.class);
 
-    private String serialPortName;
-    private SerialPortManager serialPortManager;
+    private final String serialPortName;
+    private final SerialPortManager serialPortManager;
 
     private @Nullable SerialPort serialPort;