[http] Use core channel updates (#553)

Signed-off-by: Jan N. Klug <github@klug.nrw>

bundles/org.smarthomej.binding.http/src/main/java/org/smarthomej/binding/http/internal/HttpThingHandler.java

@@ -45,6 +45,7 @@
 import org.openhab.core.thing.Thing;
 import org.openhab.core.thing.ThingStatus;
 import org.openhab.core.thing.ThingStatusDetail;
+import org.openhab.core.thing.binding.BaseThingHandler;
 import org.openhab.core.thing.binding.generic.ChannelHandler;
 import org.openhab.core.thing.binding.generic.ChannelHandlerContent;
 import org.openhab.core.thing.binding.generic.ChannelMode;
@@ -73,7 +74,6 @@
 import org.smarthomej.binding.http.internal.http.RateLimitedHttpClient;
 import org.smarthomej.binding.http.internal.http.RefreshingUrlCache;
 import org.smarthomej.commons.SimpleDynamicStateDescriptionProvider;
-import org.smarthomej.commons.UpdatingBaseThingHandler;
 
 /**
  * The {@link HttpThingHandler} is responsible for handling commands, which are
@@ -82,7 +82,7 @@
  * @author Jan N. Klug - Initial contribution
  */
 @NonNullByDefault
-public class HttpThingHandler extends UpdatingBaseThingHandler implements HttpStatusListener {
+public class HttpThingHandler extends BaseThingHandler implements HttpStatusListener {
     private static final Set<Character> URL_PART_DELIMITER = Set.of('/', '?', '&');
 
     private final Logger logger = LoggerFactory.getLogger(HttpThingHandler.class);

bundles/org.smarthomej.binding.http/src/main/resources/OH-INF/update/instructions.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<update:update-descriptions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:update="https://openhab.org/schemas/update-description/v1.0.0"
+	xsi:schemaLocation="https://openhab.org/schemas/update-description/v1.0.0 https://openhab.org/schemas/update-description-1.0.0.xsd">
+
+	<thing-type uid="http:url">
+		<instruction-set targetVersion="1">
+			<add-channel id="lastSuccess">
+				<type>http:requestDateTime</type>
+				<label>Last Success</label>
+			</add-channel>
+			<add-channel id="lastFailure">
+				<type>http:requestDateTime</type>
+				<label>Last Failure</label>
+			</add-channel>
+		</instruction-set>
+	</thing-type>
+
+</update:update-descriptions>