/* | |
* Copyright 1999-2004 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. | |
* | |
*/ | |
package org.apache.savan.handlers; | |
import org.apache.axis2.AxisFault; | |
import org.apache.axis2.context.MessageContext; | |
import org.apache.axis2.description.AxisService; | |
import org.apache.axis2.description.Parameter; | |
import org.apache.axis2.handlers.AbstractHandler; | |
import org.apache.savan.SavanConstants; | |
import org.apache.savan.SavanException; | |
import org.apache.savan.SavanMessageContext; | |
import org.apache.savan.configuration.ConfigurationManager; | |
import org.apache.savan.configuration.Protocol; | |
import org.apache.savan.storage.SubscriberStore; | |
import org.apache.savan.subscription.SubscriptionProcessor; | |
import org.apache.savan.util.UtilFactory; | |
import org.apache.savan.util.ProtocolManager; | |
/** | |
* The handler of Savan in the InFlow. | |
* Will handle the control messages like subscription, renew, unsubscription. | |
* | |
*/ | |
public class SavanInHandler extends AbstractHandler { | |
public InvocationResponse invoke(MessageContext msgContext) throws AxisFault { | |
SavanMessageContext smc = new SavanMessageContext (msgContext); | |
//setting the Protocol | |
Protocol protocol = ProtocolManager.getMessageProtocol(smc); | |
smc.setProtocol(protocol); | |
AxisService axisService = msgContext.getAxisService(); | |
if (axisService==null) | |
throw new SavanException ("Service context is null"); | |
//setting the AbstractSubscriber Store | |
Parameter parameter = axisService.getParameter(SavanConstants.SUBSCRIBER_STORE); | |
if (parameter==null){ | |
setSubscriberStore (smc); | |
parameter = axisService.getParameter(SavanConstants.SUBSCRIBER_STORE); | |
} | |
UtilFactory utilFactory = smc.getProtocol().getUtilFactory(); | |
utilFactory.initializeMessage (smc); | |
int messageType = smc.getMessageType (); | |
SubscriptionProcessor processor = utilFactory.createSubscriptionProcessor (); | |
processor.init (smc); | |
if (messageType==SavanConstants.MessageTypes.SUBSCRIPTION_MESSAGE) { | |
processor.subscribe(smc); | |
} else if (messageType==SavanConstants.MessageTypes.UNSUBSCRIPTION_MESSAGE) { | |
processor.unsubscribe(smc); | |
} else if (messageType==SavanConstants.MessageTypes.RENEW_MESSAGE) { | |
processor.renewSubscription(smc); | |
} | |
return InvocationResponse.CONTINUE; | |
} | |
private void setSubscriberStore (SavanMessageContext smc) throws SavanException { | |
MessageContext msgContext = smc.getMessageContext(); | |
AxisService axisService = msgContext.getAxisService(); | |
Parameter parameter = axisService.getParameter(SavanConstants.SUBSCRIBER_STORE_KEY); | |
String subscriberStoreKey = SavanConstants.DEFAULT_SUBSCRIBER_STORE_KEY; | |
if (parameter!=null) | |
subscriberStoreKey = (String) parameter.getValue(); | |
ConfigurationManager configurationManager = (ConfigurationManager) smc.getConfigurationContext().getProperty(SavanConstants.CONFIGURATION_MANAGER); | |
SubscriberStore store = configurationManager.getSubscriberStoreInstance(subscriberStoreKey); | |
parameter = new Parameter (); | |
parameter.setName(SavanConstants.SUBSCRIBER_STORE); | |
parameter.setValue(store); | |
try { | |
axisService.addParameter(parameter); | |
} catch (AxisFault e) { | |
throw new SavanException (e); | |
} | |
} | |
} |