org.wso2.gw.emulator.http.client.handler.HttpClientHandler.java Source code

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Here is the source code for org.wso2.gw.emulator.http.client.handler.HttpClientHandler.java

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/*
 * *
 *  * Copyright (c) 2015, 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.wso2.gw.emulator.http.client.handler;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.LastHttpContent;
import org.wso2.gw.emulator.http.client.contexts.HttpClientInformationContext;
import org.wso2.gw.emulator.http.client.contexts.HttpClientProcessorContext;
import org.wso2.gw.emulator.http.client.contexts.HttpResponseContext;
import org.wso2.gw.emulator.http.client.processors.HttpResponseAssertProcessor;
import org.wso2.gw.emulator.http.client.processors.HttpResponseInformationProcessor;
import org.wso2.gw.emulator.http.dsl.producer.OutgoingMessage;
import org.wso2.gw.emulator.http.server.contexts.HttpServerInformationContext;

public class HttpClientHandler extends ChannelInboundHandlerAdapter {
    private HttpResponseContext responseContext;
    private HttpResponseInformationProcessor responseInformationProcessor;
    private HttpResponseAssertProcessor responseAssertProcessor;
    private HttpClientProcessorContext processorContext;
    private HttpClientInformationContext clientInformationContext;

    public HttpClientHandler(HttpClientInformationContext clientInformationContext) {
        this.clientInformationContext = clientInformationContext;
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) {
        if (msg instanceof HttpResponse) {
            this.processorContext = new HttpClientProcessorContext();
            this.processorContext.setClientInformationContext(clientInformationContext);
            this.responseContext = new HttpResponseContext();
            this.responseInformationProcessor = new HttpResponseInformationProcessor();
            this.responseAssertProcessor = new HttpResponseAssertProcessor();
            HttpResponse response = (HttpResponse) msg;
            processorContext.setHttpResponse(response);
            responseInformationProcessor.process(processorContext);
        }

        if (msg instanceof HttpContent) {
            HttpContent httpContent = (HttpContent) msg;
            ByteBuf content = httpContent.content();

            if (content.isReadable()) {
                this.responseInformationProcessor.appendDecoderResult(responseContext, httpContent, content);
            }

            if (content instanceof LastHttpContent) {
                ctx.fireChannelReadComplete();
            }
        }
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        cause.printStackTrace();
        ctx.close();
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) {
        if (responseAssertProcessor != null) {
            this.responseAssertProcessor.process(processorContext);
        }
        ctx.close();
    }
}