camel docs java

This commit is contained in:
RayRoestenburg 2012-07-15 14:12:03 +02:00
parent 016eaffbfb
commit 2472e46263
39 changed files with 1479 additions and 15 deletions

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package docs.camel.sample.http;
import akka.actor.ActorRef;
import akka.camel.javaapi.UntypedConsumerActor;
//#HttpExample
public class HttpConsumer extends UntypedConsumerActor{
private ActorRef producer;
public HttpConsumer(ActorRef producer){
this.producer = producer;
}
public String getEndpointUri() {
return "jetty:http://0.0.0.0:8875/";
}
public void onReceive(Object message) {
producer.forward(message, getContext());
}
}
//#HttpExample

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package docs.camel.sample.http;
import akka.actor.ActorRef;
import akka.camel.CamelMessage;
import akka.camel.javaapi.UntypedProducerActor;
import org.apache.camel.Exchange;
import java.util.HashSet;
import java.util.Set;
//#HttpExample
public class HttpProducer extends UntypedProducerActor{
private ActorRef transformer;
public HttpProducer(ActorRef transformer) {
this.transformer = transformer;
}
public String getEndpointUri() {
return "jetty://http://akka.io/?bridgeEndpoint=true";
}
@Override
public Object onTransformOutgoingMessage(Object message) {
if (message instanceof CamelMessage) {
CamelMessage camelMessage = (CamelMessage) message;
Set<String> httpPath = new HashSet<String>();
httpPath.add(Exchange.HTTP_PATH);
return camelMessage.addHeaders(camelMessage.getHeaders(httpPath));
} else return super.onTransformOutgoingMessage(message);
}
@Override
public void onRouteResponse(Object message) {
transformer.forward(message, getContext());
}
}
//#HttpExample

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package docs.camel.sample.http;
import akka.actor.*;
public class HttpSample {
public static void main(String[] args) {
//#HttpExample
// Create the actors. this can be done in a Boot class so you can
// run the example in the MicroKernel. just add the below three lines to your boot class.
ActorSystem system = ActorSystem.create("some-system");
final ActorRef httpTransformer = system.actorOf(new Props(HttpTransformer.class));
final ActorRef httpProducer = system.actorOf(new Props(new UntypedActorFactory(){
public Actor create() {
return new HttpProducer(httpTransformer);
}
}));
ActorRef httpConsumer = system.actorOf(new Props(new UntypedActorFactory(){
public Actor create() {
return new HttpConsumer(httpProducer);
}
}));
//#HttpExample
}
}

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package docs.camel.sample.http;
import akka.actor.Status;
import akka.actor.UntypedActor;
import akka.camel.CamelMessage;
import akka.japi.Function;
//#HttpExample
public class HttpTransformer extends UntypedActor{
public void onReceive(Object message) {
if (message instanceof CamelMessage) {
CamelMessage camelMessage = (CamelMessage) message;
CamelMessage replacedMessage = camelMessage.mapBody(new Function<String, String>(){
public String apply(String body) {
return body.replaceAll("Akka ", "AKKA ");
}
});
getSender().tell(replacedMessage);
} else if (message instanceof Status.Failure) {
getSender().tell(message);
} else
unhandled(message);
}
}
//#HttpExample

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package docs.camel.sample.quartz;
//#QuartzExample
import akka.camel.CamelMessage;
import akka.camel.javaapi.UntypedConsumerActor;
public class MyQuartzActor extends UntypedConsumerActor{
public String getEndpointUri() {
return "quartz://example?cron=0/2+*+*+*+*+?";
}
public void onReceive(Object message) {
if (message instanceof CamelMessage) {
CamelMessage camelMessage = (CamelMessage) message;
String body = camelMessage.getBodyAs(String.class, getCamelContext());
System.out.println(String.format("==============> received %s ", body));
} else
unhandled(message);
}
}
//#QuartzExample

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package docs.camel.sample.quartz;
//#QuartzExample
import akka.actor.ActorSystem;
import akka.actor.Props;
public class QuartzSample {
public static void main(String[] args) {
ActorSystem system = ActorSystem.create("my-quartz-system");
system.actorOf(new Props(MyQuartzActor.class));
}
}
//#QuartzExample

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package docs.camel.sample.route;
//#CustomRouteExample
import akka.actor.ActorRef;
import akka.camel.CamelMessage;
import akka.camel.javaapi.UntypedConsumerActor;
public class Consumer3 extends UntypedConsumerActor{
private ActorRef transformer;
public Consumer3(ActorRef transformer){
this.transformer = transformer;
}
public String getEndpointUri() {
return "jetty:http://0.0.0.0:8877/camel/welcome";
}
public void onReceive(Object message) {
if (message instanceof CamelMessage) {
CamelMessage camelMessage = (CamelMessage) message;
transformer.forward(camelMessage.getBodyAs(String.class, getCamelContext()),getContext());
} else
unhandled(message);
}
}
//#CustomRouteExample

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package docs.camel.sample.route;
//#CustomRouteExample
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
public class CustomRouteBuilder extends RouteBuilder{
public void configure() throws Exception {
from("direct:welcome").process(new Processor(){
public void process(Exchange exchange) throws Exception {
exchange.getOut().setBody(String.format("Welcome %s",exchange.getIn().getBody()));
}
});
}
}
//#CustomRouteExample

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package docs.camel.sample.route;
import akka.actor.*;
import akka.camel.CamelExtension;
public class CustomRouteSample {
public static void main(String[] args) {
try {
//#CustomRouteExample
// the below lines can be added to a Boot class, so that you can run the example from a MicroKernel
ActorSystem system = ActorSystem.create("some-system");
final ActorRef producer = system.actorOf(new Props(Producer1.class));
final ActorRef mediator = system.actorOf(new Props(new UntypedActorFactory() {
public Actor create() {
return new Transformer(producer);
}
}));
ActorRef consumer = system.actorOf(new Props(new UntypedActorFactory() {
public Actor create() {
return new Consumer3(mediator);
}
}));
CamelExtension.get(system).context().addRoutes(new CustomRouteBuilder());
//#CustomRouteExample
} catch (Exception e) {
e.printStackTrace();
}
}
}

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package docs.camel.sample.route;
//#CustomRouteExample
import akka.camel.javaapi.UntypedProducerActor;
public class Producer1 extends UntypedProducerActor{
public String getEndpointUri() {
return "direct:welcome";
}
}
//#CustomRouteExample

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package docs.camel.sample.route;
//#CustomRouteExample
import akka.actor.ActorRef;
import akka.actor.UntypedActor;
import akka.camel.CamelMessage;
import akka.japi.Function;
public class Transformer extends UntypedActor {
private ActorRef producer;
public Transformer(ActorRef producer) {
this.producer = producer;
}
public void onReceive(Object message) {
if (message instanceof CamelMessage) {
// example: transform message body "foo" to "- foo -" and forward result to producer
CamelMessage camelMessage = (CamelMessage) message;
CamelMessage transformedMessage = camelMessage.mapBody(new Function<String, String>(){
public String apply(String body) {
return String.format("- %s -",body);
}
});
producer.forward(transformedMessage, getContext());
} else
unhandled(message);
}
}
//#CustomRouteExample