/* | |
* 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.subscription; | |
import org.apache.axis2.context.ConfigurationContext; | |
import org.apache.axis2.context.ServiceContext; | |
import org.apache.savan.SavanException; | |
import org.apache.savan.SavanMessageContext; | |
import org.apache.savan.storage.SubscriberStore; | |
import org.apache.savan.subscribers.AbstractSubscriber; | |
import org.apache.savan.subscribers.Subscriber; | |
import org.apache.savan.util.CommonUtil; | |
/** | |
* Abstractly defines subscription methods. | |
* Each protocol may extend this to add its own work. | |
*/ | |
public abstract class SubscriptionProcessor { | |
public abstract void init (SavanMessageContext smc) throws SavanException; | |
public void unsubscribe(SavanMessageContext endSubscriptionMessage) throws SavanException { | |
String subscriberID = getSubscriberID (endSubscriptionMessage); | |
if (subscriberID==null) { | |
String message = "Cannot find the subscriber ID"; | |
throw new SavanException (message); | |
} | |
SubscriberStore store = endSubscriptionMessage.getSubscriberStore(); | |
if (store==null) | |
throw new SavanException ("AbstractSubscriber store not found"); | |
store.delete (subscriberID); | |
} | |
public void renewSubscription(SavanMessageContext renewMessage) throws SavanException { | |
SubscriberStore store = renewMessage.getSubscriberStore(); | |
if (store==null) | |
throw new SavanException ("AbstractSubscriber store not found"); | |
ExpirationBean bean = getExpirationBean(renewMessage); | |
AbstractSubscriber subscriber = (AbstractSubscriber) store.retrieve(bean.getSubscriberID()); | |
if (subscriber==null) { | |
throw new SavanException ("Given subscriber is not present"); | |
} | |
subscriber.renewSubscription(bean); | |
} | |
public void subscribe(SavanMessageContext subscriptionMessage) throws SavanException { | |
SubscriberStore store = subscriptionMessage.getSubscriberStore(); | |
if (store==null) | |
throw new SavanException ("AbstractSubscriber store not found"); | |
if (store==null) | |
throw new SavanException ("Sabscriber store not found"); | |
Subscriber subscriber = getSubscriberFromMessage (subscriptionMessage); | |
store.store (subscriber); | |
} | |
public void endSubscription(String subscriberID,String reason,ServiceContext serviceContext) throws SavanException { | |
SubscriberStore store =CommonUtil.getSubscriberStore(serviceContext.getAxisService()); | |
if (store==null) { | |
//TODO do something | |
} | |
Subscriber subscriber = store.retrieve(subscriberID); | |
doProtocolSpecificEndSubscription(subscriber,reason,serviceContext.getConfigurationContext()); | |
store.delete(subscriberID); | |
} | |
public abstract void pauseSubscription (SavanMessageContext pauseSubscriptionMessage) throws SavanException; | |
public abstract void resumeSubscription (SavanMessageContext resumeSubscriptionMessage) throws SavanException; | |
public abstract Subscriber getSubscriberFromMessage (SavanMessageContext smc) throws SavanException; | |
public abstract ExpirationBean getExpirationBean (SavanMessageContext renewMessage) throws SavanException; | |
public abstract String getSubscriberID (SavanMessageContext smc) throws SavanException; | |
public abstract void doProtocolSpecificEndSubscription (Subscriber subscriber,String reason,ConfigurationContext configurationContext) throws SavanException; | |
} |