software.xdev.mockserver.httpclient.HttpClientConnectionErrorHandler Maven / Gradle / Ivy

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MockServer NeoLight Core

There is a newer version: 1.0.8

/*
 * Copyright © 2024 XDEV Software (https://xdev.software)
 *
 * 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 software.xdev.mockserver.httpclient;

import static software.xdev.mockserver.httpclient.NettyHttpClient.ERROR_IF_CHANNEL_CLOSED_WITHOUT_RESPONSE;
import static software.xdev.mockserver.httpclient.NettyHttpClient.RESPONSE_FUTURE;

import java.util.concurrent.CompletableFuture;

import io.netty.channel.ChannelDuplexHandler;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import software.xdev.mockserver.model.Message;


@ChannelHandler.Sharable
public class HttpClientConnectionErrorHandler extends ChannelDuplexHandler
{
	@Override
	public void handlerRemoved(final ChannelHandlerContext ctx) throws Exception
	{
		final CompletableFuture responseFuture = ctx.channel().attr(RESPONSE_FUTURE).get();
		if(responseFuture != null && !responseFuture.isDone())
		{
			if(ctx.channel().attr(ERROR_IF_CHANNEL_CLOSED_WITHOUT_RESPONSE).get())
			{
				responseFuture.completeExceptionally(new SocketConnectionException(
					"Channel handler removed before valid response has been received"));
			}
			else
			{
				responseFuture.complete(null);
			}
		}
		super.handlerRemoved(ctx);
	}
	
	@Override
	public void exceptionCaught(final ChannelHandlerContext ctx, final Throwable cause) throws Exception
	{
		final CompletableFuture responseFuture = ctx.channel().attr(RESPONSE_FUTURE).get();
		if(!responseFuture.isDone())
		{
			responseFuture.completeExceptionally(cause);
		}
		super.exceptionCaught(ctx, cause);
	}
}