/*
* 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.handler;
import org.apache.axis2.handlers.AbstractHandler;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.AxisFault;
import org.apache.synapse.handler.util.HandlerUtil;
import org.apache.synapse.core.axis2.MessageContextCreatorForAxis2;
import org.apache.synapse.SynapseException;
import org.apache.synapse.FaultHandler;
import org.apache.synapse.SynapseConstants;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* This is the OutHandler which injects the Axis2MC in to Synapse after converting the message
* context to a SynapseMC
*/
public class SynapseOutHandler extends AbstractHandler {
/**
* Log variable which will be used for logging
*/
private static final Log log = LogFactory.getLog(SynapseOutHandler.class);
/**
* This method will inject the message into Synapse after creating the SynapseMC from the
* Axis2MC and after the mediation if synapse lets the message to flow through this will let
* the message to flow and if not aborts the message
*
* @param messageContext - Axis2MC to be mediated using Synapse
* @return InvocationResponse.CONTINUE if Synapse lets the message to flow and
* InvocationResponse.ABORT if not
* @throws AxisFault - incase of a failure in mediation of initiation of the mediation
*/
public InvocationResponse invoke(MessageContext messageContext) throws AxisFault {
HandlerUtil.doHandlerLogging(log, messageContext);
org.apache.synapse.MessageContext synCtx
= MessageContextCreatorForAxis2.getSynapseMessageContext(messageContext);
// handles the incoming and outgoing behaviours in client and server sides
if (messageContext.isServerSide()) {
synCtx.setProperty(SynapseConstants.RESPONSE, Boolean.TRUE);
synCtx.setResponse(true);
synCtx.setProperty(SynapseConstants.RESPONSE, Boolean.TRUE);
synCtx.setResponse(true);
try {
// if synapse says ok let the message to flow through
if (HandlerUtil.mediateOutMessage(log, messageContext, synCtx)) {
return InvocationResponse.CONTINUE;
} else {
// if not abort the further processings
log.debug("Synapse has decided to abort the message:\n" + synCtx);
return InvocationResponse.ABORT;
}
} catch (SynapseException syne) {
// todo : invoke the fault sequence
}
} else {
synCtx.setProperty(SynapseConstants.RESPONSE, Boolean.FALSE);
synCtx.setResponse(false);
try {
// if synapse says ok let the message to flow through
if (HandlerUtil.mediateInMessage(log, messageContext, synCtx)) {
return InvocationResponse.CONTINUE;
} else {
// if not abort the further processings
log.debug("Synapse has decided to abort the message:\n" + synCtx);
return InvocationResponse.ABORT;
}
} catch (SynapseException syne) {
// todo : invoke the fault sequence
}
}
try {
// if synapse says ok let the message to flow through
if (synCtx.getEnvironment().injectMessage(synCtx)) {
return InvocationResponse.CONTINUE;
} else {
// if not abort the further processings
log.debug("Synapse has decided to abort the message:\n" + synCtx.getEnvelope());
return InvocationResponse.ABORT;
}
} catch (SynapseException syne) {
if (!synCtx.getFaultStack().isEmpty()) {
((FaultHandler) synCtx.getFaultStack().pop()).handleFault(synCtx, syne);
} else {
log.error("Synapse encountered an exception, " +
"No error handlers found.\n" + syne.getMessage());
throw new AxisFault("Synapse encountered an error." + syne);
}
}
// general case should let the message flow
return InvocationResponse.CONTINUE;
}
}