/*
* 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.builtin;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.MessageContext;
import org.apache.synapse.core.axis2.Axis2MessageContext;
import org.apache.synapse.endpoints.Endpoint;
import org.apache.synapse.endpoints.SALoadbalanceEndpoint;
import org.apache.synapse.mediators.AbstractMediator;
import org.apache.axis2.context.OperationContext;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.clustering.ClusterManager;
import java.util.List;
import java.util.Iterator;
/**
* SendMediator sends a message using specified semantics. If it contains an endpoint it will
* send the message to that endpoint. Once a message is sent to the endpoint further sending
* behaviors are completely governed by that endpoint. If there is no endpoint available,
* SendMediator will send the message to the implicitly stated destination.
*/
public class SendMediator extends AbstractMediator {
private Endpoint endpoint = null;
/**
* This will call the send method on the messages with implicit message parameters
* or else if there is an endpoint, with that endpoint parameters
*
* @param synCtx the current message to be sent
* @return false always as this is a leaf mediator
*/
public boolean mediate(MessageContext synCtx) {
boolean traceOn = isTraceOn(synCtx);
boolean traceOrDebugOn = isTraceOrDebugOn(traceOn);
if (traceOrDebugOn) {
traceOrDebug(traceOn, "Start : Send mediator");
if (traceOn && trace.isTraceEnabled()) {
trace.trace("Message : " + synCtx.getEnvelope());
}
}
if (synCtx.isResponse()) {
Axis2MessageContext axis2MsgCtx = (Axis2MessageContext) synCtx;
OperationContext opCtx = axis2MsgCtx.getAxis2MessageContext().getOperationContext();
boolean isClusteringEnable = false;
// get Axis2 MessageContext and ConfigurationContext
org.apache.axis2.context.MessageContext axisMC =
axis2MsgCtx.getAxis2MessageContext();
ConfigurationContext cc = axisMC.getConfigurationContext();
//The heck for clustering environment
ClusterManager clusterManager = cc.getAxisConfiguration().getClusterManager();
if (clusterManager != null &&
clusterManager.getContextManager() != null) {
isClusteringEnable = true;
}
if (isClusteringEnable) {
// if this is a clustering env.
// Only keeps endpoint names , because , it is heavy task to
// replicate endpoint itself
Object epNames = opCtx.getPropertyNonReplicable(SALoadbalanceEndpoint.ENDPOINT_NAME_LIST);
if (epNames != null && epNames instanceof List) {
List epNameList = (List) epNames;
Object obj = epNameList.remove(0);
if (obj != null && obj instanceof String) {
Object rootEPObj = opCtx.getPropertyNonReplicable(
SALoadbalanceEndpoint.ROOT_ENDPOINT);
if (rootEPObj != null && rootEPObj instanceof Endpoint) {
String name = ((Endpoint) rootEPObj).getName();
if (name != null && name.equals(obj)) {
Endpoint rootEP = ((Endpoint) rootEPObj);
if (rootEP instanceof SALoadbalanceEndpoint) {
SALoadbalanceEndpoint salEP = (SALoadbalanceEndpoint) rootEP;
salEP.updateSession(synCtx, epNameList,
isClusteringEnable);
}
}
}
}
opCtx.setProperty(SALoadbalanceEndpoint.ENDPOINT_NAME_LIST, epNames);
}
} else {
Object o = opCtx.getProperty(SALoadbalanceEndpoint.ENDPOINT_LIST);
if (o != null && o instanceof List) {
// we are in the response of the first message of a server initiated session
// so update all session maps
List epList = (List) o;
Object e = epList.remove(0);
if (e != null) {
if (e instanceof SALoadbalanceEndpoint) {
SALoadbalanceEndpoint salEP = (SALoadbalanceEndpoint) e;
salEP.updateSession(synCtx, epList, isClusteringEnable);
}
}
}
}
}
// if no endpoints are defined, send where implicitly stated
if (endpoint == null) {
if (traceOrDebugOn) {
StringBuffer sb = new StringBuffer();
sb.append("Sending " + (synCtx.isResponse() ? "response" : "request")
+ " message using implicit message properties..");
sb.append("\nSending To: " + (synCtx.getTo() != null ?
synCtx.getTo().getAddress() : "null"));
sb.append("\nSOAPAction: " + (synCtx.getWSAAction() != null ?
synCtx.getWSAAction() : "null"));
traceOrDebug(traceOn, sb.toString());
}
if (traceOn && trace.isTraceEnabled()) {
trace.trace("Envelope : " + synCtx.getEnvelope());
}
synCtx.getEnvironment().send(null, synCtx);
} else {
endpoint.send(synCtx);
}
if (traceOrDebugOn) {
traceOrDebug(traceOn, "End : Send mediator");
}
return true;
}
public Endpoint getEndpoint() {
return endpoint;
}
public void setEndpoint(Endpoint endpoint) {
this.endpoint = endpoint;
}
}