/**
* 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.netty4;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ThreadFactory;
import io.netty.util.concurrent.DefaultEventExecutorGroup;
import io.netty.util.concurrent.EventExecutorGroup;
import org.apache.camel.CamelContext;
import org.apache.camel.Endpoint;
import org.apache.camel.impl.UriEndpointComponent;
import org.apache.camel.util.IntrospectionSupport;
import org.apache.camel.util.concurrent.CamelThreadFactory;
public class NettyComponent extends UriEndpointComponent {
private NettyConfiguration configuration;
private volatile EventExecutorGroup executorService;
public NettyComponent() {
super(NettyEndpoint.class);
}
public NettyComponent(Class<? extends Endpoint> endpointClass) {
super(endpointClass);
}
public NettyComponent(CamelContext context) {
super(context, NettyEndpoint.class);
}
@Override
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
NettyConfiguration config;
if (configuration != null) {
config = configuration.copy();
} else {
config = new NettyConfiguration();
}
config = parseConfiguration(config, remaining, parameters);
// merge any custom bootstrap configuration on the config
NettyServerBootstrapConfiguration bootstrapConfiguration = resolveAndRemoveReferenceParameter(parameters, "bootstrapConfiguration", NettyServerBootstrapConfiguration.class);
if (bootstrapConfiguration != null) {
Map<String, Object> options = new HashMap<String, Object>();
if (IntrospectionSupport.getProperties(bootstrapConfiguration, options, null, false)) {
IntrospectionSupport.setProperties(getCamelContext().getTypeConverter(), config, options);
}
}
// validate config
config.validateConfiguration();
NettyEndpoint nettyEndpoint = new NettyEndpoint(remaining, this, config);
setProperties(nettyEndpoint.getConfiguration(), parameters);
return nettyEndpoint;
}
/**
* Parses the configuration
*
* @return the parsed and valid configuration to use
*/
protected NettyConfiguration parseConfiguration(NettyConfiguration configuration, String remaining, Map<String, Object> parameters) throws Exception {
configuration.parseURI(new URI(remaining), parameters, this, "tcp", "udp");
return configuration;
}
public NettyConfiguration getConfiguration() {
return configuration;
}
public void setConfiguration(NettyConfiguration configuration) {
this.configuration = configuration;
}
public void setExecutorService(EventExecutorGroup executorServcie) {
this.executorService = executorService;
}
public synchronized EventExecutorGroup getExecutorService() {
if (executorService == null) {
executorService = createExecutorService();
}
return executorService;
}
@Override
protected void doStart() throws Exception {
if (configuration == null) {
configuration = new NettyConfiguration();
}
if (configuration.isUsingExecutorService() && executorService == null) {
executorService = createExecutorService();
}
super.doStart();
}
protected EventExecutorGroup createExecutorService() {
// Provide the executor service for the application
// and use a Camel thread factory so we have consistent thread namings
// we should use a shared thread pool as recommended by Netty
String pattern = getCamelContext().getExecutorServiceManager().getThreadNamePattern();
ThreadFactory factory = new CamelThreadFactory(pattern, "NettyEventExecutorGroup", true);
return new DefaultEventExecutorGroup(configuration.getMaximumPoolSize(), factory);
}
@Override
protected void doStop() throws Exception {
if (executorService != null) {
getCamelContext().getExecutorServiceManager().shutdownNow(executorService);
executorService = null;
}
super.doStop();
}
}