/*
* 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.deltaspike.core.impl.scope;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.AfterBeanDiscovery;
import javax.enterprise.inject.spi.AfterDeploymentValidation;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.BeforeBeanDiscovery;
import javax.enterprise.inject.spi.Extension;
import org.apache.deltaspike.core.api.provider.BeanProvider;
import org.apache.deltaspike.core.impl.scope.conversation.ConversationBeanHolder;
import org.apache.deltaspike.core.impl.scope.conversation.GroupedConversationContext;
import org.apache.deltaspike.core.impl.scope.viewaccess.ViewAccessBeanAccessHistory;
import org.apache.deltaspike.core.impl.scope.viewaccess.ViewAccessBeanHolder;
import org.apache.deltaspike.core.impl.scope.viewaccess.ViewAccessContext;
import org.apache.deltaspike.core.impl.scope.viewaccess.ViewAccessViewHistory;
import org.apache.deltaspike.core.impl.scope.window.WindowBeanHolder;
import org.apache.deltaspike.core.impl.scope.window.WindowContextImpl;
import org.apache.deltaspike.core.impl.scope.window.WindowIdHolder;
import org.apache.deltaspike.core.spi.activation.Deactivatable;
import org.apache.deltaspike.core.util.ClassDeactivationUtils;
/**
* Handle all DeltaSpike WindowContext and ConversationContext
* related features.
*/
public class DeltaSpikeContextExtension implements Extension, Deactivatable
{
private WindowContextImpl windowContext;
private GroupedConversationContext conversationContext;
private ViewAccessContext viewAccessScopedContext;
private Boolean isActivated = true;
protected void init(@Observes BeforeBeanDiscovery beforeBeanDiscovery)
{
isActivated = ClassDeactivationUtils.isActivated(getClass());
}
public void registerDeltaSpikeContexts(@Observes AfterBeanDiscovery afterBeanDiscovery, BeanManager beanManager)
{
if (!isActivated)
{
return;
}
windowContext = new WindowContextImpl(beanManager);
conversationContext = new GroupedConversationContext(beanManager, windowContext);
viewAccessScopedContext = new ViewAccessContext(beanManager, windowContext);
afterBeanDiscovery.addContext(windowContext);
afterBeanDiscovery.addContext(conversationContext);
afterBeanDiscovery.addContext(viewAccessScopedContext);
}
/**
* We can only initialize our contexts in AfterDeploymentValidation because
* getBeans must not be invoked earlier than this phase to reduce randomness
* caused by Beans no being fully registered yet.
*/
public void initializeDeltaSpikeContexts(@Observes AfterDeploymentValidation adv, BeanManager beanManager)
{
if (!isActivated)
{
return;
}
WindowBeanHolder windowBeanHolder =
BeanProvider.getContextualReference(beanManager, WindowBeanHolder.class, false);
WindowIdHolder windowIdHolder =
BeanProvider.getContextualReference(beanManager, WindowIdHolder.class, false);
windowContext.init(windowBeanHolder, windowIdHolder);
ConversationBeanHolder conversationBeanHolder =
BeanProvider.getContextualReference(beanManager, ConversationBeanHolder.class, false);
conversationContext.init(conversationBeanHolder);
ViewAccessBeanHolder viewAccessBeanHolder =
BeanProvider.getContextualReference(beanManager, ViewAccessBeanHolder.class, false);
ViewAccessBeanAccessHistory viewAccessBeanAccessHistory =
BeanProvider.getContextualReference(beanManager, ViewAccessBeanAccessHistory.class, false);
ViewAccessViewHistory viewAccessViewHistory =
BeanProvider.getContextualReference(beanManager, ViewAccessViewHistory.class, false);
viewAccessScopedContext.init(viewAccessBeanHolder, viewAccessBeanAccessHistory, viewAccessViewHistory);
}
public WindowContextImpl getWindowContext()
{
return windowContext;
}
public GroupedConversationContext getConversationContext()
{
return conversationContext;
}
public ViewAccessContext getViewAccessScopedContext()
{
return viewAccessScopedContext;
}
}