/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.camel.component.vertx;
import org.apache.camel.AsyncCallback;
import org.apache.camel.Exchange;
import org.apache.camel.InvalidPayloadRuntimeException;
import org.apache.camel.impl.DefaultAsyncProducer;
import org.apache.camel.util.ExchangeHelper;
import org.apache.camel.util.MessageHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.vertx.java.core.Handler;
import org.vertx.java.core.eventbus.EventBus;
import static org.apache.camel.component.vertx.VertxHelper.getVertxBody;
public class VertxProducer extends DefaultAsyncProducer {
private static final Logger LOG = LoggerFactory.getLogger(VertxProducer.class);
public VertxProducer(VertxEndpoint endpoint) {
super(endpoint);
}
@Override
public VertxEndpoint getEndpoint() {
return (VertxEndpoint) super.getEndpoint();
}
@Override
public boolean process(Exchange exchange, AsyncCallback callback) {
EventBus eventBus = getEndpoint().getEventBus();
String address = getEndpoint().getAddress();
boolean reply = ExchangeHelper.isOutCapable(exchange);
boolean pubSub = getEndpoint().isPubSub();
Object body = getVertxBody(exchange);
if (body != null) {
if (reply) {
LOG.debug("Sending to: {} with body: {}", address, body);
eventBus.send(address, body, new CamelReplyHandler(exchange, callback));
return false;
} else {
if (pubSub) {
LOG.debug("Publishing to: {} with body: {}", address, body);
eventBus.publish(address, body);
} else {
LOG.debug("Sending to: {} with body: {}", address, body);
eventBus.send(address, body);
}
callback.done(true);
return true;
}
}
exchange.setException(new InvalidPayloadRuntimeException(exchange, String.class));
callback.done(true);
return true;
}
private static final class CamelReplyHandler implements Handler<org.vertx.java.core.eventbus.Message> {
private final Exchange exchange;
private final AsyncCallback callback;
private CamelReplyHandler(Exchange exchange, AsyncCallback callback) {
this.exchange = exchange;
this.callback = callback;
}
@Override
public void handle(org.vertx.java.core.eventbus.Message event) {
try {
// preserve headers
MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), false);
exchange.getOut().setBody(event.body());
} finally {
callback.done(false);
}
}
}
}