package org.focusns.common.event.support;
/*
* #%L
* FocusSNS Runtime
* %%
* Copyright (C) 2011 - 2013 FocusSNS
* %%
* This program 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 program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import java.lang.reflect.Method;
import java.util.List;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.focusns.common.event.annotation.Event;
import org.focusns.common.event.annotation.EventSubscriber;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.CannotLoadBeanClassException;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.context.ApplicationListener;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.util.ClassUtils;
import org.springframework.util.ReflectionUtils;
public class EventListener implements ApplicationListener<EventContext> {
private static final Log log = LogFactory.getLog(EventListener.class);
public void onApplicationEvent(EventContext eventContext) {
//
Event event = eventContext.getEventHandler().getAnnotation(Event.class);
//
if(log.isDebugEnabled()) {
log.debug(String.format("Event %s triggered!", event.on()));
}
// invoke event handle method
Object eventSubscriber = eventContext.getEventSubscriber();
//
AutowireCapableBeanFactory beanFactory = eventContext.getApplicationContext().getAutowireCapableBeanFactory();
beanFactory.autowireBeanProperties(eventSubscriber, AutowireCapableBeanFactory.AUTOWIRE_BY_TYPE, true);
Method eventHandler = eventContext.getEventHandler();
ReflectionUtils.invokeMethod(eventHandler, eventSubscriber, eventContext);
}
}