com.sun.faces.application.ApplicationStateInfo Maven / Gradle / Ivy
/*
* Copyright (c) 2010, 2020 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 static com.sun.faces.config.WebConfiguration.BooleanWebContextInitParameter.PartialStateSaving;
import static com.sun.faces.config.WebConfiguration.WebContextInitParameter.FullStateSavingViewIds;
import static com.sun.faces.util.Util.notNullViewId;
import static java.util.Arrays.asList;
import java.util.HashSet;
import java.util.Set;
import com.sun.faces.config.WebConfiguration;
/**
* This class maintains per-application information pertaining to partail or full state saving as a whole or partial
* state saving with some views using full state saving.
*/
public class ApplicationStateInfo {
private boolean partialStateSaving;
private Set fullStateViewIds;
// ------------------------------------------------------------ Constructors
public ApplicationStateInfo() {
WebConfiguration config = WebConfiguration.getInstance();
partialStateSaving = config.isOptionEnabled(PartialStateSaving);
if (partialStateSaving) {
String[] viewIds = config.getOptionValue(FullStateSavingViewIds, ",");
fullStateViewIds = new HashSet<>(viewIds.length, 1.0f);
fullStateViewIds.addAll(asList(viewIds));
}
}
// --------------------------------------------------------- Private Methods
/**
* @param viewId the view ID to check
* @throws IllegalArgumentException if viewId is null
* @return true
if partial state saving should be used for the specified view ID, otherwise
* false
*/
public boolean usePartialStateSaving(String viewId) {
notNullViewId(viewId);
return partialStateSaving && !fullStateViewIds.contains(viewId);
}
}