ActorContext.getParent for Java API #22413

akka-docs/rst/java/code/jdocs/camel/ErrorThrowingConsumer.java

@@ -0,0 +1,53 @@
+package jdocs.camel;
+//#ErrorThrowingConsumer
+import akka.actor.Status;
+import akka.camel.CamelMessage;
+import akka.camel.javaapi.UntypedConsumerActor;
+import akka.dispatch.Mapper;
+import org.apache.camel.builder.Builder;
+import org.apache.camel.model.ProcessorDefinition;
+import org.apache.camel.model.RouteDefinition;
+import scala.Option;
+
+public class ErrorThrowingConsumer extends UntypedConsumerActor{
+  private String uri;
+
+  private static Mapper<RouteDefinition, ProcessorDefinition<?>> mapper =
+    new Mapper<RouteDefinition, ProcessorDefinition<?>>() {
+      public ProcessorDefinition<?> apply(RouteDefinition rd) {
+        // Catch any exception and handle it by returning the exception message
+        // as response
+        return rd.onException(Exception.class).handled(true).
+          transform(Builder.exceptionMessage()).end();
+      }
+    };
+
+  public ErrorThrowingConsumer(String uri){
+    this.uri = uri;
+  }
+
+  public String getEndpointUri() {
+    return uri;
+  }
+
+  public void onReceive(Object message) throws Exception{
+    if (message instanceof CamelMessage) {
+      CamelMessage camelMessage = (CamelMessage) message;
+      String body = camelMessage.getBodyAs(String.class, getCamelContext());
+      throw new Exception(String.format("error: %s",body));
+    } else
+      unhandled(message);
+  }
+
+  @Override
+  public Mapper<RouteDefinition,
+    ProcessorDefinition<?>> getRouteDefinitionHandler() {
+    return mapper;
+  }
+
+  @Override
+  public void preRestart(Throwable reason, Option<Object> message) {
+    getSender().tell(new Status.Failure(reason), getSelf());
+  }
+}
+//#ErrorThrowingConsumer