Radio example implementation

Radio1/bnd.bnd

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+Bundle-Version: 1.0.0
+Private-Package: Radio1
+Bundle-Activator: Radio1.Radio1
+
+-buildfeatures:
+-buildpath: \
+    channelapi;version=latest

Radio1/src/Radio1/Radio1.java

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+package Radio1;
+
+import channelapi.Channel;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceRegistration;
+
+import java.util.Dictionary;
+import java.util.Hashtable;
+
+public class Radio1 implements BundleActivator {
+    private ServiceRegistration registration;
+
+    @Override
+    public void start(BundleContext context) throws Exception {
+        Dictionary<String, Object> props = new Hashtable<>();
+        props.put("name", "Radio 1");
+        registration = context.registerService( Channel.class, new Radio1Channel(), props);
+    }
+
+    @Override
+    public void stop(BundleContext context) throws Exception {
+        registration.unregister();
+    }
+}

Radio1/src/Radio1/Radio1Channel.java

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+package Radio1;
+
+import channelapi.Channel;
+import channelapi.Stream;
+
+public class Radio1Channel implements Channel {
+    private Stream stream = new Radio1Stream();
+
+    @Override
+    public Stream getStream() {
+        return stream;
+    }
+}

Radio1/src/Radio1/Radio1Stream.java

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+package Radio1;
+
+import channelapi.Stream;
+
+public class Radio1Stream implements Stream {
+    @Override
+    public String read() {
+        return "Radio 1";
+    }
+}