com.ocpsoft.pretty.faces.event.MultiPageMessagesSupport Maven / Gradle / Ivy
/*
* Copyright 2010 Lincoln Baxter, III
*
* 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 com.ocpsoft.pretty.faces.event;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseEvent;
import javax.faces.event.PhaseId;
import javax.faces.event.PhaseListener;
import com.ocpsoft.pretty.faces.util.FacesMessagesUtils;
/**
* @author Lincoln Baxter, III
*/
public class MultiPageMessagesSupport implements PhaseListener
{
private static final long serialVersionUID = 1250469273857785274L;
private final FacesMessagesUtils messagesUtils = new FacesMessagesUtils();
public PhaseId getPhaseId()
{
return PhaseId.ANY_PHASE;
}
public void beforePhase(final PhaseEvent event)
{
FacesContext facesContext = event.getFacesContext();
messagesUtils.saveMessages(facesContext, facesContext.getExternalContext().getSessionMap());
if (PhaseId.RENDER_RESPONSE.equals(event.getPhaseId()))
{
/*
* Check to see if we are "naturally" in the RENDER_RESPONSE phase. If
* we have arrived here and the response is already complete, then the
* page is not going to show up: don't display messages yet.
*/
if (!facesContext.getResponseComplete())
{
messagesUtils.restoreMessages(facesContext, facesContext.getExternalContext().getSessionMap());
}
}
}
/*
* Save messages into the session after every phase.
*/
public void afterPhase(final PhaseEvent event)
{
if (!PhaseId.RENDER_RESPONSE.equals(event.getPhaseId()))
{
FacesContext facesContext = event.getFacesContext();
messagesUtils.saveMessages(facesContext, facesContext.getExternalContext().getSessionMap());
}
}
}