package docs.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