/* | |
* 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.extensions.cdi.core.impl.scope.conversation.grouped; | |
import org.apache.myfaces.extensions.cdi.core.api.scope.conversation.grouped.ConversationScoped; | |
import org.apache.myfaces.extensions.cdi.core.impl.scope.conversation.grouped.spi.ConversationManager; | |
import javax.enterprise.inject.spi.BeanManager; | |
import javax.enterprise.inject.spi.Bean; | |
import javax.enterprise.context.spi.Contextual; | |
import javax.enterprise.context.spi.CreationalContext; | |
import javax.enterprise.context.spi.Context; | |
import java.lang.annotation.Annotation; | |
import java.util.Set; | |
/** | |
* @author Gerhard Petracek | |
*/ | |
public abstract class AbstractGroupedConversationContextAdapter implements Context | |
{ | |
protected BeanManager beanManager; | |
public AbstractGroupedConversationContextAdapter(BeanManager beanManager) | |
{ | |
this.beanManager = beanManager; | |
} | |
/** | |
* @return annotation of the codi conversation scope | |
*/ | |
public Class<? extends Annotation> getScope() | |
{ | |
return ConversationScoped.class; | |
} | |
/** | |
* @param component descriptor of the bean | |
* @param creationalContext context for creating a bean | |
* @return a scoped bean-instance | |
*/ | |
public <T> T get(Contextual<T> component, CreationalContext<T> creationalContext) | |
{ | |
if (component instanceof Bean) | |
{ | |
ConversationManager conversationManager = resolveConversationManager(); | |
T beanInstance = component.create(creationalContext); | |
scopeBeanInstance((Bean<T>)component, beanInstance, conversationManager); | |
return beanInstance; | |
} | |
Class invalidComponentClass = component.create(creationalContext).getClass(); | |
throw new IllegalStateException(invalidComponentClass + " is no valid conversation scoped bean"); | |
} | |
/** | |
* @param component descriptor of the bean | |
* @return an instance of the requested bean if it already exists in the current | |
* {@link org.apache.myfaces.extensions.cdi.core.api.scope.conversation.ConversationContext} | |
* null otherwise | |
*/ | |
public <T> T get(Contextual<T> component) | |
{ | |
if (component instanceof Bean) | |
{ | |
Bean<T> foundBean = ((Bean<T>) component); | |
ConversationManager conversationManager = resolveConversationManager(); | |
return resolveBeanInstance(foundBean, conversationManager); | |
} | |
return null; | |
} | |
/** | |
* @return an instance of a custom (the default) {@link ConversationManager} | |
*/ | |
private ConversationManager resolveConversationManager() | |
{ | |
Bean<ConversationManager> conversationManagerBean = resolveConversationManagerBean(); | |
CreationalContext<ConversationManager> conversationManagerCreationalContext = this.beanManager.createCreationalContext(conversationManagerBean); | |
return conversationManagerBean.create(conversationManagerCreationalContext); | |
} | |
protected abstract Bean<ConversationManager> resolveConversationManagerBean(); | |
/** | |
* @return the descriptor of the default {@link ConversationManager} | |
*/ | |
protected Set<Bean<?>> getDefaultConversationManager() | |
{ | |
return this.beanManager.getBeans(ConversationManager.class); | |
} | |
/** | |
* @param beanDescriptor descriptor of the requested bean | |
* @param conversationManager the current {@link ConversationManager} | |
* @return the instance of the requested bean if it exists in the current {@link org.apache.myfaces.extensions.cdi.core.api.scope.conversation.ConversationContext} | |
* null otherwise | |
*/ | |
private <T> T resolveBeanInstance(Bean<T> beanDescriptor, ConversationManager conversationManager) | |
{ | |
//TODO | |
return null; | |
} | |
/** | |
* Store the given bean in the {@link org.apache.myfaces.extensions.cdi.core.api.scope.conversation.ConversationContext} | |
* | |
* @param beanDescriptor descriptor of the current bean | |
* @param beanInstance bean to save in the current conversation | |
* @param conversationManager current {@link ConversationManager} | |
*/ | |
private <T> void scopeBeanInstance(Bean<T> beanDescriptor, T beanInstance, ConversationManager conversationManager) | |
{ | |
//TODO | |
} | |
} |