com.sun.faces.lifecycle.RenderResponsePhase Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
// RenderResponsePhase.java
package com.sun.faces.lifecycle;
import javax.faces.FacesException;
import javax.faces.view.ViewDeclarationLanguage;
import javax.faces.application.ViewHandler;
import javax.faces.context.FacesContext;
import javax.faces.context.PartialViewContext;
import javax.faces.event.PhaseId;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.faces.util.FacesLogger;
import com.sun.faces.util.DebugUtil;
import javax.faces.event.PreRenderViewEvent;
/**
* Lifetime And Scope Same lifetime and scope as
* DefaultLifecycleImpl.
*
*/
public class RenderResponsePhase extends Phase {
// Log instance for this class
private static Logger LOGGER = FacesLogger.LIFECYCLE.getLogger();
// ---------------------------------------------------------- Public Methods
public void execute(FacesContext facesContext) throws FacesException {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Entering RenderResponsePhase");
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("About to render view " +
facesContext.getViewRoot().getViewId());
}
// For requests intended to produce a partial response, we need prohibit
// writing any content outside of the view itself (f:view).
PartialViewContext partialViewContext = facesContext.getPartialViewContext();
try {
ViewHandler vh = facesContext.getApplication().getViewHandler();
ViewDeclarationLanguage vdl =
vh.getViewDeclarationLanguage(facesContext,
facesContext.getViewRoot().getViewId());
if (vdl != null) {
vdl.buildView(facesContext, facesContext.getViewRoot());
}
boolean viewIdsUnchanged;
do {
String beforePublishViewId = facesContext.getViewRoot().getViewId();
// the before render event on the view root is a special case to keep door open for navigation
// this must be called *after* PDL.buildView() and before VH.renderView()
facesContext.getApplication().publishEvent(facesContext,
PreRenderViewEvent.class,
facesContext.getViewRoot());
String afterPublishViewId = facesContext.getViewRoot().getViewId();
viewIdsUnchanged = beforePublishViewId == null && afterPublishViewId == null ||
(beforePublishViewId != null && afterPublishViewId != null) &&
beforePublishViewId.equals(afterPublishViewId);
if (facesContext.getResponseComplete()) {
return;
}
} while (!viewIdsUnchanged);
//render the view
vh.renderView(facesContext, facesContext.getViewRoot());
} catch (IOException e) {
throw new FacesException(e.getMessage(), e);
}
if (LOGGER.isLoggable(Level.FINEST)) {
LOGGER.log(Level.FINEST, "+=+=+=+=+=+= View structure printout for " + facesContext.getViewRoot().getViewId());
DebugUtil.printTree(facesContext.getViewRoot(), LOGGER, Level.FINEST);
}
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Exiting RenderResponsePhase");
}
}
public PhaseId getId() {
return PhaseId.RENDER_RESPONSE;
}
// The testcase for this class is TestRenderResponsePhase.java
} // end of class RenderResponsePhase