ChannelPipelineInitializer.java
/*
* Copyright (c) 2019, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.synapse.commons.emulator.http;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.http.HttpClientCodec;
import io.netty.handler.codec.http.HttpContentDecompressor;
import io.netty.handler.codec.http.HttpServerCodec;
import io.netty.handler.ssl.SslContext;
import org.apache.synapse.commons.emulator.core.EmulatorType;
import org.apache.synapse.commons.emulator.http.producer.HttpResponseProcessHandler;
import org.apache.synapse.commons.emulator.http.dsl.HttpConsumerContext;
import org.apache.synapse.commons.emulator.http.dsl.dto.producer.OutgoingMessage;
public class ChannelPipelineInitializer extends ChannelInitializer<SocketChannel> {
private SslContext sslCtx;
private HttpConsumerContext consumerContext;
private OutgoingMessage producerOutgoingMessage;
private EmulatorType emulatorType;
public ChannelPipelineInitializer(SslContext sslCtx, EmulatorType emulatorType) {
this.sslCtx = sslCtx;
this.emulatorType = emulatorType;
}
@Override
public void initChannel(SocketChannel ch) {
if (EmulatorType.HTTP_CONSUMER.equals(emulatorType)) {
initializeHttpConsumerChannel(ch);
} else if (EmulatorType.HTTP_PRODUCER.equals(emulatorType)) {
initializeHttpProducerChannel(ch);
}
}
private void initializeHttpConsumerChannel(SocketChannel ch) {
ChannelPipeline pipeline = ch.pipeline();
if (sslCtx != null) {
pipeline.addLast("sslHandler", sslCtx.newHandler(ch.alloc()));
}
pipeline.addLast(new HttpServerCodec());
if (consumerContext.getLogicHandler() != null) {
pipeline.addLast("logicHandler", consumerContext.getLogicHandler());
}
pipeline.addLast("httpResponseHandler",
new org.apache.synapse.commons.emulator.http.consumer.HttpResponseProcessHandler(consumerContext));
}
private void initializeHttpProducerChannel(SocketChannel ch) {
ChannelPipeline pipeline = ch.pipeline();
// Enable HTTPS if necessary.
if (sslCtx != null) {
pipeline.addLast(sslCtx.newHandler(ch.alloc()));
}
pipeline.addLast(new HttpClientCodec());
pipeline.addLast(new HttpContentDecompressor());
pipeline.addLast(new HttpResponseProcessHandler(producerOutgoingMessage));
}
public void setProducerOutgoingMessage(OutgoingMessage producerOutgoingMessage) {
this.producerOutgoingMessage = producerOutgoingMessage;
}
public void setConsumerContext(HttpConsumerContext consumerContext) {
this.consumerContext = consumerContext;
}
}