/*
* Copyright 2011 <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
*
* 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.ocpsoft.rewrite.cdi;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Set;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.InjectionTarget;
import org.ocpsoft.common.spi.ServiceEnricher;
import org.ocpsoft.logging.Logger;
import org.ocpsoft.rewrite.cdi.manager.BeanManagerAware;
/**
* @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
*
*/
public class CdiServiceEnricher extends BeanManagerAware implements ServiceEnricher
{
Logger log = Logger.getLogger(CdiServiceEnricher.class);
@SuppressWarnings("unchecked")
@Override
public <T> Collection<T> produce(final Class<T> type)
{
Collection<T> result = new ArrayList<T>();
BeanManager manager = getBeanManager();
Set<Bean<?>> beans = manager.getBeans(type);
for (Bean<?> bean : beans) {
if (bean != null)
{
CreationalContext<T> context = (CreationalContext<T>) manager.createCreationalContext(bean);
if (context != null)
{
result.add((T) manager.getReference(bean, type, context));
if (log.isDebugEnabled())
{
log.debug("Created CDI enriched service [" + bean.toString() + "]");
}
}
}
}
return result;
}
@Override
@SuppressWarnings("unchecked")
public <T> void enrich(final T service)
{
if (service != null)
{
BeanManager manager = getBeanManager();
CreationalContext<Object> context = manager.createCreationalContext(null);
InjectionTarget<Object> injectionTarget = (InjectionTarget<Object>) manager
.createInjectionTarget(manager.createAnnotatedType(service.getClass()));
injectionTarget.inject(service, context);
if ((context != null) && log.isDebugEnabled())
{
log.debug("Enriched non-contextual intance of service [" + service.getClass().getName() + "]");
}
}
}
}