Axis2HttpTargetRespListener.java
/*
* Copyright (c) 2022, 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.transport.netty.sender;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.transport.base.threads.WorkerPool;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.transport.netty.BridgeConstants;
import org.apache.synapse.transport.netty.config.TargetConfiguration;
import org.apache.synapse.transport.passthru.ErrorCodes;
import org.wso2.transport.http.netty.contract.HttpConnectorListener;
import org.wso2.transport.http.netty.message.HttpCarbonMessage;
/**
* {@code Axis2HttpTargetRespListener} listens for the response expected for the sent request.
*/
public class Axis2HttpTargetRespListener implements HttpConnectorListener {
private static final Log LOG = LogFactory.getLog(Axis2HttpTargetRespListener.class);
private final MessageContext requestMsgCtx;
private final WorkerPool workerPool;
private final TargetConfiguration targetConfiguration;
private final TargetErrorHandler errorHandler;
public Axis2HttpTargetRespListener(WorkerPool workerPool, MessageContext requestMsgContext,
TargetConfiguration targetConfiguration) {
this.workerPool = workerPool;
this.requestMsgCtx = requestMsgContext;
this.targetConfiguration = targetConfiguration;
this.errorHandler = new TargetErrorHandler(targetConfiguration);
}
@Override
public void onMessage(HttpCarbonMessage httpResponse) {
LOG.debug(BridgeConstants.BRIDGE_LOG_PREFIX + "Response received");
workerPool.execute(new HttpTargetResponseWorker(requestMsgCtx, httpResponse, targetConfiguration));
}
@Override
public void onError(Throwable throwable) {
LOG.error("Error while sending the request to the backend service or "
+ "processing the response from backend service", throwable);
if (requestMsgCtx != null) {
requestMsgCtx.setProperty(BridgeConstants.INTERNAL_EXCEPTION_ORIGIN,
BridgeConstants.INTERNAL_ORIGIN_ERROR_HANDLER);
errorHandler.handleError(requestMsgCtx, ErrorCodes.SND_IO_ERROR, "Error in Sender", throwable);
}
}
}