/* | |
* 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.empire.jsf2.app; | |
import javax.faces.context.FacesContext; | |
import javax.faces.event.PhaseEvent; | |
import javax.faces.event.PhaseId; | |
import javax.faces.event.PhaseListener; | |
import javax.servlet.http.HttpServletResponse; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; | |
public class FacesRequestPhaseListener implements PhaseListener | |
{ | |
private static final long serialVersionUID = 1L; | |
final Logger log = LoggerFactory.getLogger(FacesRequestPhaseListener.class); | |
public FacesRequestPhaseListener() | |
{ | |
// foo | |
} | |
@Override | |
public PhaseId getPhaseId() | |
{ | |
return PhaseId.ANY_PHASE; | |
} | |
@Override | |
public void beforePhase(PhaseEvent pe) | |
{ | |
// Only when rendering the response | |
if (pe.getPhaseId() != PhaseId.RENDER_RESPONSE) | |
return; | |
// Add header information | |
FacesContext facesContext = pe.getFacesContext(); | |
HttpServletResponse response = (HttpServletResponse) facesContext.getExternalContext().getResponse(); | |
response.addHeader("Pragma", "no-cache"); | |
response.addHeader("Cache-Control", "no-cache"); | |
response.addHeader("Cache-Control", "no-store"); | |
response.addHeader("Cache-Control", "must-revalidate"); | |
} | |
/** | |
* VERY VERY IMPORTANT FUNCTION: Release Connection on End of request! | |
**/ | |
@Override | |
public void afterPhase(PhaseEvent pe) | |
{ | |
// Check Response complete | |
FacesContext ctx = pe.getFacesContext(); | |
if (pe.getPhaseId() == PhaseId.RENDER_RESPONSE || ctx.getResponseComplete()) | |
{ // Cleanup when response is complete | |
WebApplication app = WebApplication.getInstance(); | |
if (app!=null) | |
app.onRequestComplete(ctx); | |
else | |
log.warn("No WebApplication available to complete and cleanup request. Please create a managed bean of name "+WebApplication.APPLICATION_BEAN_NAME); | |
} | |
} | |
} |