/*
* 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.asual.summer.core.view;
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
import javax.faces.FacesException;
import javax.faces.FactoryFinder;
import javax.faces.application.ViewHandler;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.faces.context.FacesContextFactory;
import javax.faces.event.PhaseId;
import javax.faces.lifecycle.LifecycleFactory;
import javax.inject.Named;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.support.RequestContextUtils;
import org.springframework.web.servlet.view.InternalResourceView;
import com.asual.summer.core.util.RequestUtils;
/**
*
* @author Rostislav Hristov
*
*/
@Named
public class HtmlView extends InternalResourceView implements ResponseView {
private static final String DEFAULT_EXTENSION = "html";
private static LifecycleFactory lifecycleFactory;
private String extension;
public HtmlView() {
super();
setExtension(DEFAULT_EXTENSION);
}
public String getExtension() {
return extension;
}
public void setExtension(String extension) {
this.extension = extension;
}
protected boolean isUrlRequired() {
return false;
}
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request, HttpServletResponse response)
throws Exception {
if (lifecycleFactory == null) {
lifecycleFactory = (LifecycleFactory) FactoryFinder.getFactory(FactoryFinder.LIFECYCLE_FACTORY);
}
FacesContextFactory facesContextFactory = (FacesContextFactory) FactoryFinder.getFactory(FactoryFinder.FACES_CONTEXT_FACTORY);
FacesContext facesContext = facesContextFactory.getFacesContext(
RequestUtils.getServletContext(), request, response, lifecycleFactory.getLifecycle(LifecycleFactory.DEFAULT_LIFECYCLE));
facesContext.setCurrentPhaseId(PhaseId.RESTORE_VIEW);
facesContext.getExternalContext().getFlash().doPrePhaseActions(facesContext);
Map<String, Object> requestMap = facesContext.getExternalContext().getRequestMap();
Iterator<String> i = model.keySet().iterator();
while (i.hasNext()) {
String key = i.next().toString();
if (!requestMap.containsKey(key)) {
requestMap.put(key, model.get(key));
}
}
ViewHandler viewHandler = facesContext.getApplication().getViewHandler();
viewHandler.initView(facesContext);
UIViewRoot viewRoot = viewHandler.createView(facesContext, getUrl());
viewRoot.setLocale(RequestContextUtils.getLocale(request));
viewRoot.setTransient(true);
facesContext.setCurrentPhaseId(PhaseId.RENDER_RESPONSE);
facesContext.setViewRoot(viewRoot);
facesContext.renderResponse();
try {
facesContext.getApplication().getViewHandler().renderView(facesContext, viewRoot);
} catch (IOException e) {
throw new FacesException("An I/O error occurred during view rendering", e);
} finally {
facesContext.responseComplete();
facesContext.release();
}
}
}