/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.core.axis2;
import org.apache.axis2.AxisFault;
import org.apache.axis2.Constants;
import org.apache.axis2.util.Utils;
import org.apache.synapse.transport.nhttp.NhttpConstants;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.engine.AxisEngine;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.SynapseException;
import org.apache.synapse.endpoints.utils.EndpointDefinition;
import org.apache.synapse.statistics.StatisticsUtils;
import org.apache.synapse.util.UUIDGenerator;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.soap.SOAPFactory;
import org.apache.rampart.handler.WSSHandlerConstants;
/**
* This class helps the Axis2SynapseEnvironment implement the send method
*/
public class Axis2Sender {
private static final Log log = LogFactory.getLog(Axis2Sender.class);
/**
* Send a message out from the Synapse engine to an external service
* @param endpoint the endpoint definition where the message should be sent
* @param synapseInMessageContext the Synapse message context
*/
public static void sendOn(EndpointDefinition endpoint,
org.apache.synapse.MessageContext synapseInMessageContext) {
try {
Axis2FlexibleMEPClient.send(
// The endpoint where we are sending to
endpoint,
// The Axis2 Message context of the Synapse MC
synapseInMessageContext);
} catch (Exception e) {
handleException("Unexpected error during sending message out", e);
}
}
/**
* Send a response back to a client of Synapse
* @param smc the Synapse message context sent as the response
*/
public static void sendBack(org.apache.synapse.MessageContext smc) {
MessageContext messageContext = ((Axis2MessageContext) smc).getAxis2MessageContext();
// if this is a dummy 202 Accepted message meant only for the http/s transports
// prevent it from going into any other transport sender
if (messageContext.isPropertyTrue(NhttpConstants.SC_ACCEPTED) &&
messageContext.getTransportOut() != null &&
!messageContext.getTransportOut().getName().startsWith(Constants.TRANSPORT_HTTP)) {
return;
}
AxisEngine ae = new AxisEngine(messageContext.getConfigurationContext());
try {
messageContext.setProperty(SynapseConstants.ISRESPONSE_PROPERTY, Boolean.TRUE);
// check if addressing is already engaged for this message.
// if engaged we should use the addressing enabled Configuraion context.
if (smc.isResponse()) {
//Process statistics
StatisticsUtils.processEndPointStatistics(smc);
StatisticsUtils.processProxyServiceStatistics(smc);
StatisticsUtils.processAllSequenceStatistics(smc);
}
Axis2FlexibleMEPClient.removeAddressingHeaders(messageContext);
messageContext.setMessageID(UUIDGenerator.getUUID());
// temporary workaround for https://issues.apache.org/jira/browse/WSCOMMONS-197
if (messageContext.isEngaged(WSSHandlerConstants.SECURITY_MODULE_NAME) &&
messageContext.getEnvelope().getHeader() == null) {
SOAPFactory fac = messageContext.isSOAP11() ?
OMAbstractFactory.getSOAP11Factory() : OMAbstractFactory.getSOAP12Factory();
fac.createSOAPHeader(messageContext.getEnvelope());
}
ae.send(messageContext);
} catch (AxisFault e) {
handleException("Unexpected error sending message back", e);
}
}
private static void handleException(String msg, Exception e) {
log.error(msg, e);
throw new SynapseException(msg, e);
}
}