/*
* 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.listener.request;
import org.apache.deltaspike.core.api.literal.DestroyedLiteral;
import org.apache.deltaspike.core.api.literal.InitializedLiteral;
import org.apache.deltaspike.core.spi.activation.Deactivatable;
import org.apache.deltaspike.core.util.ClassUtils;
import org.apache.deltaspike.core.util.metadata.AnnotationInstanceProvider;
import javax.annotation.PostConstruct;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Event;
import javax.faces.bean.RequestScoped;
import javax.faces.context.FacesContext;
import javax.inject.Inject;
import java.lang.annotation.Annotation;
import java.util.HashMap;
import java.util.Map;
/**
* Broadcaster for
* {@link org.apache.deltaspike.core.api.lifecycle.Initialized}
* {@link org.apache.deltaspike.core.api.lifecycle.Destroyed}
* with
* {@link FacesContext} as event-payload
* and/or in case of CDI 1.1+
* {@link javax.enterprise.context.Initialized}
* {@link javax.enterprise.context.Destroyed}
* with
* {@link javax.faces.bean.RequestScoped} as annotation-parameter and
* {@link FacesContext} as event-payload
*/
@ApplicationScoped
public class JsfRequestBroadcaster implements Deactivatable
{
@Inject
private Event<FacesContext> jsfRequestEvent;
/*
* annotation-instances for the optional cdi 1.1+ support
*/
private Annotation initializedAnnotationInstance;
private Annotation destroyedAnnotationInstance;
@PostConstruct
protected void init()
{
Map<String, Class> values = new HashMap<String, Class>();
values.put("value", RequestScoped.class);
Class<? extends Annotation> initializedAnnotationClass =
ClassUtils.tryToLoadClassForName("javax.enterprise.context.Initialized");
if (initializedAnnotationClass != null)
{
this.initializedAnnotationInstance = AnnotationInstanceProvider.of(initializedAnnotationClass, values);
}
Class<? extends Annotation> destroyedAnnotationClass =
ClassUtils.tryToLoadClassForName("javax.enterprise.context.Destroyed");
if (destroyedAnnotationClass != null)
{
this.destroyedAnnotationInstance = AnnotationInstanceProvider.of(destroyedAnnotationClass, values);
}
}
/**
* Broadcasts @Initialized-event(s)
*
* @param facesContext current faces-context
*/
public void broadcastInitializedJsfRequestEvent(FacesContext facesContext)
{
this.jsfRequestEvent.select(new InitializedLiteral()).fire(facesContext);
if (this.initializedAnnotationInstance != null)
{
this.jsfRequestEvent.select(this.initializedAnnotationInstance).fire(facesContext);
}
}
/**
* Broadcasts @Destroyed-event(s)
*
* @param facesContext current faces-context
*/
public void broadcastDestroyedJsfRequestEvent(FacesContext facesContext)
{
this.jsfRequestEvent.select(new DestroyedLiteral()).fire(facesContext);
if (this.destroyedAnnotationInstance != null)
{
this.jsfRequestEvent.select(this.destroyedAnnotationInstance).fire(facesContext);
}
}
}