/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* 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 net.java.sip.communicator.impl.protocol.icq;
import java.util.*;
import net.java.sip.communicator.service.protocol.*;
import net.java.sip.communicator.service.protocol.ServerStoredDetails.GenericDetail;
import net.java.sip.communicator.service.protocol.ServerStoredDetails.ImageDetail;
import net.java.sip.communicator.util.*;
/**
* @author Damian Minkov
*/
public class OperationSetServerStoredContactInfoIcqImpl
implements OperationSetServerStoredContactInfo
{
/**
* The logger.
*/
private static final Logger logger =
Logger.getLogger(OperationSetServerStoredContactInfoIcqImpl.class);
private InfoRetreiver infoRetreiver;
/**
* If we got several listeners for the same contact lets retrieve once
* but deliver result to all.
*/
private Hashtable<String, List<DetailsResponseListener>>
listenersForDetails =
new Hashtable<String, List<DetailsResponseListener>>();
/**
* The icq provider that created us.
*/
private ProtocolProviderServiceIcqImpl icqProvider = null;
protected OperationSetServerStoredContactInfoIcqImpl
(InfoRetreiver infoRetreiver, ProtocolProviderServiceIcqImpl icqProvider)
{
this.infoRetreiver = infoRetreiver;
this.icqProvider = icqProvider;
}
/**
* returns the user details from the specified class or its descendants
* the class is one from the
* net.java.sip.communicator.service.protocol.ServerStoredDetails
* or implemented one in the operation set for the user info
*
* @param contact Contact
* @param detailClass Class
* @return Iterator
*/
public <T extends GenericDetail> Iterator<T> getDetailsAndDescendants(
Contact contact,
Class<T> detailClass)
{
assertConnected();
if(detailClass.equals(ImageDetail.class)
&& (contact.getImage() != null))
{
List<ImageDetail> res = new Vector<ImageDetail>();
res.add(new ImageDetail("Image", contact.getImage()));
@SuppressWarnings("unchecked")
Iterator<T> tIt = (Iterator<T>) res.iterator();
return tIt;
}
return
infoRetreiver.getDetailsAndDescendants(
contact.getAddress(),
detailClass);
}
/**
* returns the user details from the specified class
* exactly that class not its descendants
*
* @param contact Contact
* @param detailClass Class
* @return Iterator
*/
public Iterator<GenericDetail> getDetails(
Contact contact,
Class<? extends GenericDetail> detailClass)
{
assertConnected();
if(detailClass.equals(ServerStoredDetails.ImageDetail.class) &&
contact.getImage() != null)
{
List<GenericDetail> res = new Vector<GenericDetail>();
res.add(new ServerStoredDetails.ImageDetail(
"Image", contact.getImage()));
return res.iterator();
}
return infoRetreiver.getDetails(contact.getAddress(), detailClass);
}
/**
* request the full info for the given uin
* waits and return this details
*
* @param contact Contact
* @return Iterator
*/
public Iterator<GenericDetail> getAllDetailsForContact(Contact contact)
{
assertConnected();
List<GenericDetail> res
= infoRetreiver.getContactDetails(contact.getAddress());
if(contact.getImage() != null)
{
res.add(new ServerStoredDetails.ImageDetail(
"Image", contact.getImage()));
}
return res.iterator();
}
/**
* Utility method throwing an exception if the icq stack is not properly
* initialized.
* @throws java.lang.IllegalStateException if the underlying ICQ stack is
* not registered and initialized.
*/
private void assertConnected() throws IllegalStateException
{
if (icqProvider == null)
throw new IllegalStateException(
"The icq provider must be non-null and signed on the ICQ "
+"service before being able to communicate.");
if (!icqProvider.isRegistered())
throw new IllegalStateException(
"The icq provider must be signed on the ICQ service before "
+"being able to communicate.");
}
/**
* Requests all details existing for the specified contact.
* @param contact the specified contact
* @return a java.util.Iterator over all details existing for the specified
* contact.
*/
public Iterator<GenericDetail> requestAllDetailsForContact(
final Contact contact, final DetailsResponseListener listener)
{
assertConnected();
List<GenericDetail> res =
infoRetreiver.getCachedContactDetails(contact.getAddress());
if(res != null)
{
if(contact.getImage() != null)
{
res.add(new ServerStoredDetails.ImageDetail(
"Image", contact.getImage()));
}
return res.iterator();
}
synchronized(listenersForDetails)
{
List<DetailsResponseListener> ls =
listenersForDetails.get(contact.getAddress());
boolean isFirst = false;
if(ls == null)
{
ls = new ArrayList<DetailsResponseListener>();
isFirst = true;
listenersForDetails.put(contact.getAddress(), ls);
}
if(!ls.contains(listener))
ls.add(listener);
// there is already scheduled retrieve, will deliver at listener.
if(!isFirst)
return null;
}
new Thread(new Runnable()
{
public void run()
{
List<GenericDetail> result =
infoRetreiver.retrieveDetails(contact.getAddress());
if(contact.getImage() != null && result != null)
{
result.add(new ServerStoredDetails.ImageDetail(
"Image", contact.getImage()));
}
List<DetailsResponseListener> listeners;
synchronized(listenersForDetails)
{
listeners =
listenersForDetails.remove(contact.getAddress());
}
if(listeners == null || result == null)
return;
for(DetailsResponseListener l : listeners)
{
try
{
l.detailsRetrieved(result.iterator());
}
catch(Throwable t)
{
logger.error(
"Error delivering for retrieved details", t);
}
}
}
}, getClass().getName() + ".RetrieveDetails").start();
// return null as there is no cache and we will try to retrieve
return null;
}
}