package org.apache.axis2.engine;
import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.description.AxisModule;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.description.TransportInDescription;
import org.apache.axis2.description.TransportOutDescription;
import org.apache.axis2.i18n.Messages;
import org.apache.axis2.modules.Module;
import org.apache.axis2.transport.TransportListener;
import org.apache.axis2.transport.TransportSender;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.xml.namespace.QName;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* Licensed 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.
*
*
*/
public class ListenerManager {
private static final Log log = LogFactory.getLog(ListenerManager.class);
public static ConfigurationContext defaultConfigurationContext;
private ConfigurationContext configctx;
private HashMap startedTransports = new HashMap();
private boolean stopped = true;
public void init(ConfigurationContext configCtx) {
configCtx.setTransportManager(this);
this.configctx = configCtx;
}
public ConfigurationContext getConfigctx() {
return configctx;
}
/**
* To get an EPR for a given service
*
* @param serviceName : Name of the service
* @param transportName : name of the trasport can be null , if it is null then
* @return String
*/
public synchronized EndpointReference getEPRforService(String serviceName, String opName,
String transportName) throws AxisFault {
if (transportName == null || "".equals(transportName)) {
AxisService service = configctx.getAxisConfiguration().getService(serviceName);
if (service == null) {
throw new AxisFault(Messages.getMessage(
"servicenotfoundinthesystem", serviceName));
}
if (service.isEnableAllTransports()) {
Iterator itr_st = startedTransports.values().iterator();
while (itr_st.hasNext()) {
TransportListener transportListener = (TransportListener) itr_st.next();
EndpointReference[] epRsForService = transportListener.getEPRsForService(serviceName, null);
if (epRsForService != null) {
return epRsForService[0];
}
}
// if nothing can be found return null
return null;
} else {
List exposeTransport = service.getExposedTransports();
TransportListener listener = (TransportListener)
startedTransports.get(exposeTransport.get(0));
EndpointReference[] eprsForService;
if (opName == null) {
eprsForService = listener.getEPRsForService(serviceName, null);
} else {
eprsForService = listener.getEPRsForService(serviceName + "/" + opName, null);
}
return eprsForService != null ? eprsForService[0] : null;
}
} else {
TransportInDescription trsIN = configctx.getAxisConfiguration()
.getTransportIn(new QName(transportName));
TransportListener listener = trsIN.getReceiver();
EndpointReference[] eprsForService;
if (opName == null) {
eprsForService = listener.getEPRsForService(serviceName, null);
} else {
eprsForService = listener.getEPRsForService(serviceName + "/" + opName, null);
}
return eprsForService != null ? eprsForService[0] : null;
}
}
/**
* To start all the transports
*/
public synchronized void start() {
Iterator transportNames = configctx.getAxisConfiguration().
getTransportsIn().values().iterator();
while (transportNames.hasNext()) {
try {
TransportInDescription transportIn = (TransportInDescription) transportNames.next();
TransportListener listener = transportIn.getReceiver();
if (listener != null && startedTransports.get(transportIn.getName().getLocalPart()) == null) {
listener.init(configctx, transportIn);
listener.start();
if (startedTransports.get(transportIn.getName().getLocalPart()) == null) {
startedTransports.put(transportIn.getName().getLocalPart(), listener);
}
}
} catch (Exception e) {
log.info(e.getMessage());
}
}
stopped = false;
}
public synchronized void startSystem(ConfigurationContext configurationContext) {
init(configurationContext);
start();
}
/**
* Stop all the transports and notify modules of shutdown.
*/
public synchronized void stop() throws AxisFault {
Iterator itr_st = startedTransports.values().iterator();
while (itr_st.hasNext()) {
TransportListener transportListener = (TransportListener) itr_st.next();
transportListener.stop();
}
// Stoping Transport senders
HashMap transportOut = configctx.getAxisConfiguration().getTransportsOut();
if (transportOut.size() > 0) {
Iterator trsItr = transportOut.values().iterator();
while (trsItr.hasNext()) {
TransportOutDescription outDescription = (TransportOutDescription) trsItr.next();
TransportSender trsSededer = outDescription.getSender();
if (trsSededer != null) {
trsSededer.stop();
}
}
}
//calling module shoutdown method
HashMap modules = configctx.getAxisConfiguration().getModules();
if (modules != null) {
Iterator moduleitr = modules.values().iterator();
while (moduleitr.hasNext()) {
AxisModule axisModule = (AxisModule) moduleitr.next();
Module module = axisModule.getModule();
if (module != null) {
module.shutdown(configctx);
}
}
}
configctx.cleanupContexts();
shutDownServices(configctx);
stopped = true;
}
/**
* @param trsIn : Transport in description (which contains Transport Listener)
* @param started : whether transport Listener running or not
* @throws AxisFault : will throw AxisFault if something goes wrong
*/
public synchronized void addListener(TransportInDescription trsIn, boolean started) throws AxisFault {
configctx.getAxisConfiguration().addTransportIn(trsIn);
TransportListener transportListener = trsIn.getReceiver();
if (transportListener != null) {
if (!started) {
transportListener.init(configctx, trsIn);
transportListener.start();
}
stopped = false;
startedTransports.put(trsIn.getName().getLocalPart(), transportListener);
}
}
public synchronized boolean isListenerRunning(String transportName) {
return startedTransports.get(transportName) != null;
}
public boolean isStopped() {
return stopped;
}
private void shutDownServices(ConfigurationContext configCtx) {
Iterator services = configCtx.getAxisConfiguration().getServices().values().iterator();
while (services.hasNext()) {
AxisService axisService = (AxisService) services.next();
ServiceLifeCycle serviceLifeCycle = axisService.getServiceLifeCycle();
if (serviceLifeCycle != null) {
serviceLifeCycle.shutDown(configCtx, axisService);
}
}
}
}