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impl/src/main/java/org/jboss/webbeans/SimpleInjectionTarget.java
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| /* | ||
| * JBoss, Home of Professional Open Source | ||
| * Copyright 2008, Red Hat Middleware LLC, 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.webbeans; | ||
|
|
||
| import java.util.HashSet; | ||
| import java.util.Set; | ||
|
|
||
| import javax.enterprise.context.spi.CreationalContext; | ||
| import javax.enterprise.inject.spi.InjectionPoint; | ||
| import javax.enterprise.inject.spi.InjectionTarget; | ||
|
|
||
| import org.jboss.webbeans.injection.ConstructorInjectionPoint; | ||
| import org.jboss.webbeans.injection.FieldInjectionPoint; | ||
| import org.jboss.webbeans.injection.MethodInjectionPoint; | ||
| import org.jboss.webbeans.introspector.WBClass; | ||
| import org.jboss.webbeans.introspector.WBMethod; | ||
| import org.jboss.webbeans.util.Beans; | ||
|
|
||
| /** | ||
| * @author pmuir | ||
| * | ||
| */ | ||
| public class SimpleInjectionTarget<T> implements InjectionTarget<T> | ||
| { | ||
|
|
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| private final BeanManagerImpl beanManager; | ||
| private final WBClass<T> type; | ||
| private final ConstructorInjectionPoint<T> constructor; | ||
| private final Set<FieldInjectionPoint<?, ?>> injectableFields; | ||
| private final Set<MethodInjectionPoint<?, ?>> initializerMethods; | ||
| private final WBMethod<?, ?> postConstruct; | ||
| private final WBMethod<?, ?> preDestroy; | ||
| private final Set<InjectionPoint> injectionPoints; | ||
|
|
||
| public SimpleInjectionTarget(WBClass<T> type, BeanManagerImpl beanManager) | ||
| { | ||
| this.beanManager = beanManager; | ||
| this.type = type; | ||
| this.injectionPoints = new HashSet<InjectionPoint>(); | ||
| this.constructor = Beans.getBeanConstructor(null, type); | ||
| this.injectionPoints.addAll(Beans.getParameterInjectionPoints(null, constructor)); | ||
| this.injectableFields = new HashSet<FieldInjectionPoint<?,?>>(); | ||
| this.injectableFields.addAll(Beans.getFieldInjectionPoints(null, type)); | ||
| this.injectionPoints.addAll(injectableFields); | ||
| this.initializerMethods = new HashSet<MethodInjectionPoint<?,?>>(); | ||
| this.initializerMethods.addAll(Beans.getInitializerMethods(null, type)); | ||
| this.injectionPoints.addAll(Beans.getParameterInjectionPoints(null, initializerMethods)); | ||
| this.postConstruct = Beans.getPostConstruct(type); | ||
| this.preDestroy = Beans.getPreDestroy(type); | ||
| } | ||
|
|
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| public T produce(CreationalContext<T> ctx) | ||
| { | ||
| return constructor.newInstance(beanManager, ctx); | ||
| } | ||
|
|
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| public void inject(T instance, CreationalContext<T> ctx) | ||
| { | ||
| for (FieldInjectionPoint<?, ?> injectionPoint : injectableFields) | ||
| { | ||
| injectionPoint.inject(instance, beanManager, ctx); | ||
| } | ||
| } | ||
|
|
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| public void postConstruct(T instance) | ||
| { | ||
| try | ||
| { | ||
| postConstruct.invoke(instance); | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| throw new RuntimeException("Error invoking postConstruct() " + postConstruct, e); | ||
| } | ||
| } | ||
|
|
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| public void preDestroy(T instance) | ||
| { | ||
| try | ||
| { | ||
| preDestroy.invoke(instance); | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| throw new RuntimeException("Error invoking preDestroy() " + preDestroy, e); | ||
| } | ||
| } | ||
|
|
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| public void dispose(T instance) | ||
| { | ||
| // No-op | ||
| } | ||
|
|
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| public Set<InjectionPoint> getInjectionPoints() | ||
| { | ||
| return injectionPoints; | ||
| } | ||
|
|
||
| } |
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