#22903 Fix code snippeds

* move scala and java sources out of paradox sources
* replace relative paths with $code$ and $akka$
* fix broken includes

akka-docs/src/main/java/jdocs/camel/ActivationTestBase.java

@@ -0,0 +1,54 @@
+package jdocs.camel;
+//#CamelActivation
+    import akka.actor.ActorRef;
+    import akka.actor.ActorSystem;
+    import akka.actor.Props;
+    import akka.camel.Camel;
+    import akka.camel.CamelExtension;
+    import akka.camel.javaapi.UntypedConsumerActor;
+    import akka.testkit.javadsl.TestKit;
+    import akka.util.Timeout;
+    import jdocs.AbstractJavaTest;
+    import scala.concurrent.Future;
+    import scala.concurrent.duration.Duration;
+    import static java.util.concurrent.TimeUnit.SECONDS;
+//#CamelActivation
+
+import org.junit.Test;
+
+public class ActivationTestBase extends AbstractJavaTest {
+
+  @SuppressWarnings("unused")
+  @Test
+  public void testActivation() {
+    //#CamelActivation
+
+    // ..
+    ActorSystem system = ActorSystem.create("some-system");
+    Props props = Props.create(MyConsumer.class);
+    ActorRef producer = system.actorOf(props,"myproducer");
+    Camel camel = CamelExtension.get(system);
+    // get a future reference to the activation of the endpoint of the Consumer Actor
+    Timeout timeout = new Timeout(Duration.create(10, SECONDS));
+    Future<ActorRef> activationFuture = camel.activationFutureFor(producer,
+      timeout, system.dispatcher());
+    //#CamelActivation
+    //#CamelDeactivation
+    // ..
+    system.stop(producer);
+    // get a future reference to the deactivation of the endpoint of the Consumer Actor
+    Future<ActorRef> deactivationFuture = camel.deactivationFutureFor(producer,
+      timeout, system.dispatcher());
+    //#CamelDeactivation
+    TestKit.shutdownActorSystem(system);
+  }
+
+  public static class MyConsumer extends UntypedConsumerActor {
+    public String getEndpointUri() {
+      return "direct:test";
+    }
+
+    public void onReceive(Object message) {
+    }
+  }
+}