org.apache.myfaces.push.cdi.PushContextImpl Maven / Gradle / Ivy
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* 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.myfaces.push.cdi;
import java.io.Serializable;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Future;
import jakarta.enterprise.inject.spi.BeanManager;
import jakarta.faces.push.PushContext;
import org.apache.myfaces.cdi.util.CDIUtils;
public class PushContextImpl implements PushContext
{
private final String channel;
private final BeanManager beanManager;
private final WebsocketScopeManager scopeManager;
private final WebsocketSessionManager sessionManager;
public PushContextImpl(String channel, BeanManager beanManager)
{
this.channel = channel;
this.beanManager = beanManager;
this.scopeManager = CDIUtils.get(beanManager, WebsocketScopeManager.class);
this.sessionManager = CDIUtils.get(beanManager, WebsocketSessionManager.class);
}
@Override
public Set> send(Object message)
{
//1. locate the channel and define the context
WebsocketScopeManager.AbstractScope applicationScope = scopeManager.getApplicationScope(false);
WebsocketScopeManager.AbstractScope viewScope = null;
WebsocketScopeManager.AbstractScope sessionScope = null;
if (CDIUtils.isRequestScopeActive(beanManager))
{
if (CDIUtils.isSessionScopeActive(beanManager))
{
sessionScope = scopeManager.getSessionScope(false);
if (CDIUtils.isViewScopeActive(beanManager))
{
viewScope = scopeManager.getViewScope(false);
}
}
}
if (applicationScope == null)
{
// No base bean to push message
return Collections.emptySet();
}
List channelTokens;
if (viewScope != null && viewScope.isChannelAvailable(channel))
{
// Use view scope for context
channelTokens = viewScope.getChannelTokens(channel);
}
else if (sessionScope != null && sessionScope.isChannelAvailable(channel))
{
// Use session scope for context
channelTokens = sessionScope.getChannelTokens(channel);
}
else if (applicationScope.isChannelAvailable(channel))
{
// Use application scope for context
channelTokens = applicationScope.getChannelTokens(channel);
}
else
{
// No channelToken has been opened
return Collections.emptySet();
}
//2. send the message
if (channelTokens != null && !channelTokens.isEmpty())
{
Set> result = null;
for (String channelToken : channelTokens)
{
if (result == null)
{
result = sessionManager.send(channelToken, message);
}
else
{
result.addAll(sessionManager.send(channelToken, message));
}
}
return result;
}
return Collections.emptySet();
}
@Override
public Set> send(Object message, S user)
{
return send(message, Collections.singleton(user)).get(user);
}
@Override
public Map>> send(Object message, Collection users)
{
Map>> resultsByUser = new HashMap<>(users.size());
for (S user : users)
{
Set channelTokenSet = sessionManager.getChannelTokensForUser(user, channel);
if (channelTokenSet == null)
{
// no channel opened for this user
continue;
}
Set> results = new HashSet<>(channelTokenSet.size());
for (String channelToken : channelTokenSet)
{
results.addAll(sessionManager.send(channelToken, message));
}
resultsByUser.put(user, results);
}
return resultsByUser;
}
}