/**
* Copyright (c) 2000-2014 Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.faces.bridge.application;
import java.lang.reflect.Method;
import javax.faces.context.ExternalContext;
import com.liferay.faces.bridge.bean.MojarraInjectionProvider;
import com.liferay.faces.util.logging.Logger;
import com.liferay.faces.util.logging.LoggerFactory;
/**
* @author Neil Griffin
*/
public class MojarraApplicationAssociate {
// Logger
private static final Logger logger = LoggerFactory.getLogger(MojarraApplicationAssociate.class);
// Private Constants
private static Method getInstanceMethod = null;
static {
try {
Class<?> mojarraApplicationAssociateClass = Class.forName("com.sun.faces.application.ApplicationAssociate");
getInstanceMethod = mojarraApplicationAssociateClass.getMethod("getInstance",
new Class[] { ExternalContext.class });
}
catch (Exception e) {
logger.error(e);
}
}
public static MojarraInjectionProvider getInjectionProvider(ExternalContext externalContext) {
try {
Object applicationAssociate = getInstanceMethod.invoke(null, externalContext);
// If the ApplicationAssociate instance is available, then return the InjectionProvider that it knows about.
if (applicationAssociate != null) {
// Note that the ApplicationAssociate instance will be available during startup if the Mojarra
// ConfigureListener executes prior to the BridgeSessionListener. It will also be available during
// execution of the JSF lifecycle.
Method getInjectionProviderMethod = applicationAssociate.getClass().getMethod("getInjectionProvider",
new Class[] {});
Object injectionProvider = getInjectionProviderMethod.invoke(applicationAssociate, new Object[] {});
logger.debug("Mojarra injectionProvider=[{0}]", injectionProvider);
return new MojarraInjectionProvider(injectionProvider);
}
// Otherwise, return null.
else {
// Note that the ApplicationAssociate instance will be null if this method is called during startup and
// the BridgeSessionListener executes prior to the Mojarra ConfigureListener. This can be remedied by
// explicitly specifying com.sun.faces.config.ConfigureListener as a listener in the WEB-INF/web.xml
// descriptor.
return null;
}
}
catch (Exception e) {
logger.error(e);
return null;
}
}
}