/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.seam.solder.bean.generic;
import java.lang.annotation.Annotation;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.AnnotatedField;
import javax.enterprise.inject.spi.AnnotatedMember;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.InjectionPoint;
import javax.enterprise.inject.spi.InjectionTarget;
import org.jboss.seam.solder.bean.ImmutableInjectionPoint;
import org.jboss.seam.solder.literal.AnyLiteral;
import org.jboss.seam.solder.reflection.Reflections;
import org.jboss.seam.solder.reflection.Synthetic;
import org.jboss.seam.solder.reflection.annotated.Annotateds;
class GenericManagedBean<T> extends AbstactGenericBean<T>
{
private final InjectionTarget<T> injectionTarget;
private final Map<AnnotatedField<? super T>, InjectionPoint> injectedFields;
private final Class<? extends Annotation> scopeOverride;
GenericManagedBean(Bean<T> originalBean, Annotation genericConfiguration, InjectionTarget<T> injectionTarget, AnnotatedType<T> type, Set<Annotation> qualifiers, Class<? extends Annotation> scopeOverride, Synthetic.Provider annotatedMemberSyntheticProvider, boolean alternative, Class<?> beanClass, BeanManager beanManager)
{
super(originalBean, qualifiers, genericConfiguration, Annotateds.createTypeId(type), alternative, beanClass, beanManager);
this.injectionTarget = injectionTarget;
this.injectedFields = new HashMap<AnnotatedField<? super T>, InjectionPoint>();
this.scopeOverride = scopeOverride;
Set<Annotation> filteredQualifiers = new HashSet<Annotation>(getQualifiers());
filteredQualifiers.remove(AnyLiteral.INSTANCE);
for (AnnotatedField<? super T> field : type.getFields())
{
if (field.isAnnotationPresent(InjectGeneric.class))
{
if (AnnotatedMember.class.isAssignableFrom(field.getJavaMember().getType()))
{
injectedFields.put(field, new ImmutableInjectionPoint(field, Collections.<Annotation> singleton(annotatedMemberSyntheticProvider.get(genericConfiguration)), this, false, false));
}
else
{
injectedFields.put(field, new ImmutableInjectionPoint(field, filteredQualifiers, this, false, false));
}
if (!field.getJavaMember().isAccessible())
{
field.getJavaMember().setAccessible(true);
}
}
}
}
@Override
public T create(CreationalContext<T> creationalContext)
{
T instance = injectionTarget.produce(creationalContext);
injectionTarget.inject(instance, creationalContext);
for (Entry<AnnotatedField<? super T>, InjectionPoint> field : injectedFields.entrySet())
{
Object value = getBeanManager().getInjectableReference(field.getValue(), creationalContext);
field.getKey().getJavaMember().setAccessible(true);
Reflections.setFieldValue(field.getKey().getJavaMember(), instance, value);
}
injectionTarget.postConstruct(instance);
return instance;
}
// No need to implement destroy(), default will do
@Override
public Class<? extends Annotation> getScope()
{
if (scopeOverride != null)
{
return scopeOverride;
}
else
{
return super.getScope();
}
}
}