/**
* 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.cxf.endpoint;
import java.io.IOException;
import java.util.logging.Logger;
import org.apache.cxf.Bus;
import org.apache.cxf.BusException;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.transport.Conduit;
import org.apache.cxf.transport.ConduitInitiator;
import org.apache.cxf.transport.ConduitInitiatorManager;
import org.apache.cxf.transport.MessageObserver;
/**
* Abstract base class holding logic common to any ConduitSelector
* that retreives a Conduit from the ConduitInitiator.
*/
public abstract class AbstractConduitSelector implements ConduitSelector {
protected Conduit selectedConduit;
protected Endpoint endpoint;
/**
* Constructor, allowing a specific conduit to override normal selection.
*
* @param c specific conduit
*/
public AbstractConduitSelector(Conduit c) {
selectedConduit = c;
}
/**
* Mechanics to actually get the Conduit from the ConduitInitiator
* if necessary.
*
* @param message the current Message
*/
protected Conduit getSelectedConduit(Message message) {
if (selectedConduit == null) {
Exchange exchange = message.getExchange();
EndpointInfo ei = endpoint.getEndpointInfo();
String transportID = ei.getTransportId();
try {
ConduitInitiatorManager conduitInitiatorMgr =
getBus(exchange).getExtension(ConduitInitiatorManager.class);
if (conduitInitiatorMgr != null) {
ConduitInitiator conduitInitiator =
conduitInitiatorMgr.getConduitInitiator(transportID);
if (conduitInitiator != null) {
selectedConduit = conduitInitiator.getConduit(ei);
MessageObserver observer =
exchange.get(MessageObserver.class);
if (observer != null) {
selectedConduit.setMessageObserver(observer);
} else {
getLogger().warning("MessageObserver not found");
}
} else {
getLogger().warning("ConduitInitiator not found: "
+ ei.getAddress());
}
} else {
getLogger().warning("ConduitInitiatorManager not found");
}
} catch (BusException ex) {
throw new Fault(ex);
} catch (IOException ex) {
throw new Fault(ex);
}
}
return selectedConduit;
}
/**
* @return the encapsulated Endpoint
*/
public Endpoint getEndpoint() {
return endpoint;
}
/**
* @param ep the endpoint to encapsulate
*/
public void setEndpoint(Endpoint ep) {
endpoint = ep;
}
/**
* Get the associated Bus instance from the exchange.
*
* @param exchange the current exchange
* @return the Bus instance
*/
private Bus getBus(Exchange exchange) {
return exchange.get(Bus.class);
}
/**
* Called on completion of the MEP for which the Conduit was required.
*
* @param exchange represents the completed MEP
*/
public void complete(Exchange exchange) {
try {
if (exchange.getInMessage() != null) {
getSelectedConduit(exchange.getInMessage()).close(exchange.getInMessage());
}
} catch (IOException e) {
//IGNORE
}
}
/**
* @return the logger to use
*/
protected abstract Logger getLogger();
}