/*
* 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.jsf.impl.scope.mapped;
import org.apache.deltaspike.core.api.projectstage.ProjectStage;
import org.apache.deltaspike.core.spi.activation.Deactivatable;
import org.apache.deltaspike.core.util.ClassDeactivationUtils;
import org.apache.deltaspike.core.util.ClassUtils;
import org.apache.deltaspike.core.util.ProjectStageProducer;
import org.apache.deltaspike.jsf.impl.util.JsfUtils;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.BeforeBeanDiscovery;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.ProcessAnnotatedType;
import javax.faces.bean.ManagedBean;
import java.lang.annotation.Annotation;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;
/**
* Maps JSF2 scopes to CDI scopes
*/
public class MappedJsf2ScopeExtension implements Extension, Deactivatable
{
private boolean isActivated = true;
private final Logger logger = Logger.getLogger(MappedJsf2ScopeExtension.class.getName());
private Map<Class<? extends Annotation>, Class<? extends Annotation>> mappedJsfScopes
= new HashMap<Class<? extends Annotation>, Class<? extends Annotation>>();
/**
* Default constructor which initializes the scope mapping
*/
public MappedJsf2ScopeExtension()
{
this.mappedJsfScopes.put(javax.faces.bean.ApplicationScoped.class,
javax.enterprise.context.ApplicationScoped.class);
this.mappedJsfScopes.put(javax.faces.bean.SessionScoped.class,
javax.enterprise.context.SessionScoped.class);
this.mappedJsfScopes.put(javax.faces.bean.RequestScoped.class,
javax.enterprise.context.RequestScoped.class);
if (JsfUtils.isViewScopeDelegationEnabled())
{
this.mappedJsfScopes.put(javax.faces.bean.ViewScoped.class,
ClassUtils.tryToLoadClassForName("javax.faces.view.ViewScoped"));
}
}
protected void init(@Observes BeforeBeanDiscovery beforeBeanDiscovery)
{
this.isActivated = ClassDeactivationUtils.isActivated(getClass());
}
protected void convertJsf2Scopes(@Observes ProcessAnnotatedType processAnnotatedType)
{
if (!isActivated)
{
return;
}
//TODO
//CodiStartupBroadcaster.broadcastStartup();
Class<? extends Annotation> jsf2ScopeAnnotation = getJsf2ScopeAnnotation(processAnnotatedType);
if (jsf2ScopeAnnotation != null && !isBeanWithManagedBeanAnnotation(processAnnotatedType))
{
processAnnotatedType.setAnnotatedType(
convertBean(processAnnotatedType.getAnnotatedType(), jsf2ScopeAnnotation));
}
}
private Class<? extends Annotation> getJsf2ScopeAnnotation(ProcessAnnotatedType processAnnotatedType)
{
for (Class<? extends Annotation> currentJsfScope : this.mappedJsfScopes.keySet())
{
if (processAnnotatedType.getAnnotatedType().getJavaClass().isAnnotationPresent(currentJsfScope))
{
return currentJsfScope;
}
}
return null;
}
private boolean isBeanWithManagedBeanAnnotation(ProcessAnnotatedType processAnnotatedType)
{
Class<?> beanClass = processAnnotatedType.getAnnotatedType().getJavaClass();
return beanClass.isAnnotationPresent(ManagedBean.class);
}
private AnnotatedType convertBean(AnnotatedType annotatedType, Class<? extends Annotation> jsf2ScopeAnnotation)
{
logConvertedBean(annotatedType, jsf2ScopeAnnotation);
return new Jsf2BeanWrapper(annotatedType, this.mappedJsfScopes.get(jsf2ScopeAnnotation), jsf2ScopeAnnotation);
}
private void logConvertedBean(AnnotatedType annotatedType, Class<? extends Annotation> jsf2ScopeAnnotation)
{
ProjectStage projectStage = ProjectStageProducer.getInstance().getProjectStage();
if (projectStage == ProjectStage.Development)
{
logger.info("JSF2 bean was converted to a CDI bean. Type: " + annotatedType.getJavaClass().getName() +
" original scope: " + jsf2ScopeAnnotation.getName());
}
}
}