/**
* Copyright 2015-2016 Red Hat, Inc, and individual contributors.
*
* Licensed 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.wildfly.swarm.netflix.ribbon.secured.client;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import com.netflix.client.RetryHandler;
import com.netflix.client.config.ClientConfigFactory;
import com.netflix.client.config.IClientConfig;
import com.netflix.loadbalancer.reactive.ExecutionListener;
import com.netflix.ribbon.RibbonTransportFactory;
import com.netflix.ribbon.transport.netty.RibbonTransport;
import com.netflix.ribbon.transport.netty.http.LoadBalancingHttpClient;
import com.netflix.ribbon.transport.netty.http.NettyHttpLoadBalancerErrorHandler;
import io.netty.buffer.ByteBuf;
import io.reactivex.netty.pipeline.PipelineConfiguratorComposite;
import io.reactivex.netty.protocol.http.HttpObjectAggregationConfigurator;
import io.reactivex.netty.protocol.http.client.HttpClient;
import io.reactivex.netty.protocol.http.client.HttpClientPipelineConfigurator;
import io.reactivex.netty.protocol.http.client.HttpClientRequest;
import io.reactivex.netty.protocol.http.client.HttpClientResponse;
/**
* @author Bob McWhirter
*/
public class SecuredTransportFactory extends RibbonTransportFactory {
public static final ScheduledExecutorService poolCleanerScheduler;
protected SecuredTransportFactory(final int maxChunkSize) {
super(ClientConfigFactory.DEFAULT);
this.maxChunkSize = maxChunkSize;
}
@Override
public HttpClient<ByteBuf, ByteBuf> newHttpClient(final IClientConfig config) {
final List<ExecutionListener<HttpClientRequest<ByteBuf>, HttpClientResponse<ByteBuf>>> listeners = new ArrayList<>();
listeners.add(createBearerHeaderAdder());
final PipelineConfiguratorComposite<HttpClientResponse<ByteBuf>, HttpClientRequest<ByteBuf>> pipelineConfigurator = new PipelineConfiguratorComposite<HttpClientResponse<ByteBuf>,
HttpClientRequest<ByteBuf>>(new HttpClientPipelineConfigurator<ByteBuf, ByteBuf>(),
new HttpObjectAggregationConfigurator(maxChunkSize));
final LoadBalancingHttpClient<ByteBuf, ByteBuf> client = LoadBalancingHttpClient.<ByteBuf, ByteBuf>builder()
.withClientConfig(config)
.withExecutorListeners(listeners)
.withRetryHandler(getDefaultHttpRetryHandlerWithConfig(config))
.withPipelineConfigurator(pipelineConfigurator)
.withPoolCleanerScheduler(RibbonTransport.poolCleanerScheduler)
.build();
return client;
}
private static RetryHandler getDefaultHttpRetryHandlerWithConfig(final IClientConfig config) {
return new NettyHttpLoadBalancerErrorHandler(config);
}
private ExecutionListener<HttpClientRequest<ByteBuf>, HttpClientResponse<ByteBuf>> createBearerHeaderAdder() {
return new BearerHeaderAdder();
}
static {
poolCleanerScheduler = Executors.newScheduledThreadPool(1);
}
private final int maxChunkSize;
}