/**
* Copyright 2005-2013 hdiv.org
*
* Licensed 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.hdiv.phaseListeners;
import javax.faces.event.PhaseEvent;
import javax.faces.event.PhaseId;
import javax.faces.event.PhaseListener;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hdiv.logs.ComponentMessagesLog;
import org.hdiv.logs.Logger;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.jsf.FacesContextUtils;
/**
* Phase Listener that detects errors thrown by components of type Select (SelectOne or SelectMany) and registers them
* in the HDIV logger.
*
* @author Gotzon Illarramendi
*/
public class ComponentMessagesPhaseListener implements PhaseListener {
private static final long serialVersionUID = 1L;
private static Log log = LogFactory.getLog(ComponentMessagesPhaseListener.class);
/**
* Utility class for managing validation messages
*/
private ComponentMessagesLog messagesLog;
/*
* (non-Javadoc)
*
* @see javax.faces.event.PhaseListener#getPhaseId()
*/
public PhaseId getPhaseId() {
return PhaseId.PROCESS_VALIDATIONS;
}
/*
* (non-Javadoc)
*
* @see javax.faces.event.PhaseListener#beforePhase(javax.faces.event.PhaseEvent)
*/
public void beforePhase(PhaseEvent event) {
if (this.messagesLog == null) {
if (log.isDebugEnabled()) {
log.debug("Initialize ComponentMessagesPhaseListener dependencies.");
}
WebApplicationContext wac = FacesContextUtils.getRequiredWebApplicationContext(event.getFacesContext());
Logger logger = wac.getBean(Logger.class);
this.messagesLog = new ComponentMessagesLog(logger);
}
}
/*
* (non-Javadoc)
*
* @see javax.faces.event.PhaseListener#afterPhase(javax.faces.event.PhaseEvent)
*/
public void afterPhase(PhaseEvent event) {
this.messagesLog.processMessages(event.getFacesContext());
}
}