/*
* 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.myfaces.extensions.cdi.jsf.impl.message;
import org.apache.myfaces.extensions.cdi.jsf.api.Jsf;
import static org.apache.myfaces.extensions.cdi.jsf.api.JsfModuleBeanNames.MESSAGE_CONTEXT;
import org.apache.myfaces.extensions.cdi.message.api.MessageContext;
import org.apache.myfaces.extensions.cdi.message.api.MessageFactory;
import org.apache.myfaces.extensions.cdi.message.impl.DefaultMessageContext;
import org.apache.myfaces.extensions.cdi.message.impl.spi.ELProvider;
import org.apache.myfaces.extensions.cdi.message.impl.spi.ArgumentFilter;
import javax.enterprise.context.Dependent;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.inject.Instance;
import javax.enterprise.inject.Produces;
import javax.inject.Named;
/**
* @author Gerhard Petracek
*/
@ApplicationScoped
public class JsfAwareMessageContextProducer
{
/**
* Creates a specialized {@link MessageContext} for JSF which delegates to jsf mechanisms (as fallback)
*
* @param defaultMessageContext pre-configured message-context
* @param messageFactoryInstance current message-factory (optional)
* @param elProviderInstance current el-provider (optional)
* @param argumentFilterInstance current argument-filter (optional)
* @return optimized message-context for jsf-applications
*/
@Produces
@Dependent
@Jsf
public MessageContext createContext(MessageContext defaultMessageContext,
Instance<MessageFactory> messageFactoryInstance,
Instance<ELProvider> elProviderInstance,
Instance<ArgumentFilter> argumentFilterInstance)
{
MessageFactory messageFactory = null;
ELProvider elProvider = null;
ArgumentFilter argumentFilter = null;
if (!messageFactoryInstance.isUnsatisfied())
{
messageFactory = messageFactoryInstance.get();
}
if (!elProviderInstance.isUnsatisfied())
{
elProvider = elProviderInstance.get();
}
if (!argumentFilterInstance.isUnsatisfied())
{
argumentFilter = argumentFilterInstance.get();
}
MessageContext result = defaultMessageContext.config()
.use()
.localeResolver(new JsfAwareLocaleResolver())
.messageResolver(new JsfAwareApplicationMessagesMessageResolver())
.messageInterpolator(new FacesMessageInterpolator(elProvider, argumentFilter))
.addMessageHandler(new JsfAwareMessageHandler())
.create();
if (messageFactory != null)
{
return DefaultMessageContext.create(result.config(), messageFactory);
}
return result;
}
/**
* Creates a map for using the el-map-trick.
* @param messageContext jsf specific {@link MessageContext}
* @return helper map for el-expressions
*/
@Produces
@Dependent
@Named(MESSAGE_CONTEXT)
public MessageHelperMap createContextForEL(final @Jsf MessageContext messageContext)
{
return new MessageHelperMap(messageContext);
}
}