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EE4J Compatible Implementation for Jakarta Faces API
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.application;
import com.sun.faces.application.view.JspStateManagementStrategy;
import java.io.IOException;
import java.util.Map;
import javax.faces.application.StateManager;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.faces.render.RenderKit;
import javax.faces.render.ResponseStateManager;
import javax.faces.view.StateManagementStrategy;
import javax.faces.view.ViewDeclarationLanguage;
/**
*
* A StateManager
implementation to meet the requirements of the specification.
*
*/
public class StateManagerImpl extends StateManager {
/**
* Save the view.
*
* @param context the Faces context.
* @return the saved view.
*/
@Override
public Object saveView(FacesContext context) {
Object result = null;
if (context != null && !context.getViewRoot().isTransient()) {
UIViewRoot viewRoot = context.getViewRoot();
StateManagementStrategy strategy = null;
String viewId = viewRoot.getViewId();
ViewDeclarationLanguage vdl = context.getApplication().getViewHandler().getViewDeclarationLanguage(context, viewId);
if (vdl != null) {
strategy = vdl.getStateManagementStrategy(context, viewId);
}
Map