/*
* 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.mediators.filters;
import org.apache.synapse.MessageContext;
import org.apache.synapse.SynapseLog;
import org.apache.synapse.mediators.AbstractListMediator;
/**
* The In Mediator acts only on "incoming" messages into synapse. This is
* performed by looking at the result of MessageContext#isResponse()
*
* @see org.apache.synapse.MessageContext#isResponse()
*/
public class InMediator extends AbstractListMediator implements org.apache.synapse.mediators.FilterMediator {
/**
* Executes the list of sub/child mediators, if the filter condition is satisfied
*
* @param synCtx the current message
* @return true if filter condition fails. else returns as per List mediator semantics
*/
public boolean mediate(MessageContext synCtx) {
SynapseLog synLog = getLog(synCtx);
if (synLog.isTraceOrDebugEnabled()) {
synLog.traceOrDebug("Start : In mediator");
if (synLog.isTraceTraceEnabled()) {
synLog.traceTrace("Message : " + synCtx.getEnvelope());
}
}
boolean result = true;
if (test(synCtx)) {
synLog.traceOrDebug("Current message is incoming - executing child mediators");
result = super.mediate(synCtx);
} else {
synLog.traceOrDebug("Current message is a response - skipping child mediators");
}
synLog.traceOrDebug("End : In mediator");
return result;
}
/**
* Apply mediation only on request messages
*
* @param synCtx the message context
* @return MessageContext#isResponse()
*/
public boolean test(MessageContext synCtx) {
return !synCtx.isResponse();
}
}