/*
* 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.axiom.om.OMAbstractFactory;
import org.apache.axiom.soap.SOAPFactory;
import org.apache.axiom.util.UIDGenerator;
import org.apache.axis2.AxisFault;
import org.apache.axis2.Constants;
import org.apache.axis2.addressing.AddressingConstants;
import org.apache.axis2.addressing.AddressingHelper;
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.aspects.statistics.StatisticsReporter;
import org.apache.synapse.endpoints.EndpointDefinition;
import org.apache.synapse.transport.nhttp.NhttpConstants;
import org.apache.synapse.util.MessageHelper;
import org.apache.synapse.util.POXUtils;
/**
* 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);
if (synapseInMessageContext.isResponse()) {
// report stats for any component at response sending check point
StatisticsReporter.reportForAllOnResponseSent(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;
}
// fault processing code
if (messageContext.isDoingREST() && messageContext.isFault()) {
POXUtils.convertSOAPFaultToPOX(messageContext);
}
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 Configuration context.
if (AddressingHelper.isReplyRedirected(messageContext) &&
!messageContext.getReplyTo().hasNoneAddress()) {
messageContext.setTo(messageContext.getReplyTo());
messageContext.setReplyTo(null);
messageContext.setWSAAction("");
messageContext.setSoapAction("");
messageContext.setProperty(
NhttpConstants.IGNORE_SC_ACCEPTED, Constants.VALUE_TRUE);
messageContext.setProperty(
AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES, Boolean.FALSE);
}
if (messageContext.getEnvelope().hasFault()
&& AddressingHelper.isFaultRedirected(messageContext)
&& !messageContext.getFaultTo().hasNoneAddress()) {
messageContext.setTo(messageContext.getFaultTo());
messageContext.setFaultTo(null);
messageContext.setWSAAction("");
messageContext.setSoapAction("");
messageContext.setProperty(
NhttpConstants.IGNORE_SC_ACCEPTED, Constants.VALUE_TRUE);
messageContext.setProperty(
AddressingConstants.DISABLE_ADDRESSING_FOR_OUT_MESSAGES, Boolean.FALSE);
}
String preserveAddressingProperty = (String) smc.getProperty(
SynapseConstants.PRESERVE_WS_ADDRESSING);
if (preserveAddressingProperty != null &&
Boolean.parseBoolean(preserveAddressingProperty)) {
messageContext.setMessageID(smc.getMessageID());
} else {
MessageHelper.removeAddressingHeaders(messageContext);
messageContext.setMessageID(UIDGenerator.generateURNString());
}
// determine weather we need to preserve the processed headers
String preserveHeaderProperty = (String) smc.getProperty(
SynapseConstants.PRESERVE_PROCESSED_HEADERS);
if (preserveHeaderProperty == null || !Boolean.parseBoolean(preserveHeaderProperty)) {
// remove the processed headers
MessageHelper.removeProcessedHeaders(messageContext,
(preserveAddressingProperty != null &&
Boolean.parseBoolean(preserveAddressingProperty)));
}
// temporary workaround for https://issues.apache.org/jira/browse/WSCOMMONS-197
if (messageContext.isEngaged(SynapseConstants.SECURITY_MODULE_NAME) &&
messageContext.getEnvelope().getHeader() == null) {
SOAPFactory fac = messageContext.isSOAP11() ?
OMAbstractFactory.getSOAP11Factory() : OMAbstractFactory.getSOAP12Factory();
fac.createSOAPHeader(messageContext.getEnvelope());
}
Axis2FlexibleMEPClient.clearSecurtityProperties(messageContext.getOptions());
// report stats for any component at response sending check point
StatisticsReporter.reportForAllOnResponseSent(smc);
AxisEngine.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);
}
}