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/*
* 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 javax.faces.application;
import java.io.IOException;
import javax.faces.FacesWrapper;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
/**
*
* Provides a simple implementation of
* {@link StateManager} that can be subclassed by developers wishing to provide specialized behavior
* to an existing {@link StateManager} instance. The default implementation of all methods is to
* call through to the wrapped {@link StateManager}.
*
*
*
* Usage: extend this class and push the implementation being wrapped to the constructor and use
* {@link #getWrapped} to access the instance being wrapped.
*
*
* @since 1.2
*/
public abstract class StateManagerWrapper extends StateManager implements FacesWrapper {
private StateManager wrapped;
/**
* @deprecated Use the other constructor taking the implementation being wrapped.
*/
@Deprecated
public StateManagerWrapper() {
}
/**
*
* If this state manager has been decorated, the implementation doing the decorating should push
* the implementation being wrapped to this constructor. The {@link #getWrapped()} will then
* return the implementation being wrapped.
*
*
* @param wrapped The implementation being wrapped.
* @since 2.3
*/
public StateManagerWrapper(StateManager wrapped) {
this.wrapped = wrapped;
}
@Override
public StateManager getWrapped() {
return wrapped;
}
// ----------------------- Methods from javax.faces.application.StateManager
/**
*
* The default behavior of this method is to call
* {@link StateManager#saveSerializedView(javax.faces.context.FacesContext)} on the wrapped
* {@link StateManager} object.
*
*
* @see StateManager#saveSerializedView(javax.faces.context.FacesContext)
* @since 1.2
*/
@Override
public SerializedView saveSerializedView(FacesContext context) {
return getWrapped().saveSerializedView(context);
}
/**
*
* The default behavior of this method is to call
* {@link StateManager#saveView(javax.faces.context.FacesContext)} on the wrapped
* {@link StateManager} object.
*
*
* @see StateManager#saveView(javax.faces.context.FacesContext)
* @since 1.2
*/
@Override
public Object saveView(FacesContext context) {
return getWrapped().saveView(context);
}
/**
*
* The default behavior of this method is to call
* {@link StateManager#getTreeStructureToSave(javax.faces.context.FacesContext)} on the wrapped
* {@link StateManager} object.
*
*
* @see StateManager#getTreeStructureToSave(javax.faces.context.FacesContext)
* @since 1.2
*/
@Override
protected Object getTreeStructureToSave(FacesContext context) {
return getWrapped().getTreeStructureToSave(context);
}
/**
*
* The default behavior of this method is to call
* {@link StateManager#getComponentStateToSave(javax.faces.context.FacesContext)} on the wrapped
* {@link StateManager} object.
*
*
* @see StateManager#getComponentStateToSave(javax.faces.context.FacesContext)
* @since 1.2
*/
@Override
protected Object getComponentStateToSave(FacesContext context) {
return getWrapped().getComponentStateToSave(context);
}
/**
*
* The default behavior of this method is to call
* {@link StateManager#writeState(javax.faces.context.FacesContext, java.lang.Object)} on the
* wrapped {@link StateManager} object.
*
*
* @see StateManager#writeState(javax.faces.context.FacesContext, java.lang.Object)
* @since 1.2
*/
@Override
public void writeState(FacesContext context, Object state) throws IOException {
getWrapped().writeState(context, state);
}
/**
*
* The default behavior of this method is to call
* {@link StateManager#writeState(javax.faces.context.FacesContext, javax.faces.application.StateManager.SerializedView)}
* on the wrapped {@link StateManager} object.
*
*
* @see StateManager#writeState(javax.faces.context.FacesContext,
* javax.faces.application.StateManager.SerializedView)
* @since 1.2
*/
@Override
public void writeState(FacesContext context, SerializedView state) throws IOException {
getWrapped().writeState(context, state);
}
/**
*
* The default behavior of this method is to call
* {@link StateManager#restoreView(javax.faces.context.FacesContext, String, String)} on the
* wrapped {@link StateManager} object.
*
*
* @see StateManager#restoreView(javax.faces.context.FacesContext, String, String)
* @since 1.2
*/
@Override
public UIViewRoot restoreView(FacesContext context, String viewId, String renderKitId) {
return getWrapped().restoreView(context, viewId, renderKitId);
}
/**
*
* The default behavior of this method is to call
* {@link StateManager#restoreTreeStructure(javax.faces.context.FacesContext, String, String)}
* on the wrapped {@link StateManager} object.
*
*
* @see StateManager#restoreTreeStructure(javax.faces.context.FacesContext, String, String)
* @since 1.2
*/
@Override
protected UIViewRoot restoreTreeStructure(FacesContext context, String viewId, String renderKitId) {
return getWrapped().restoreTreeStructure(context, viewId, renderKitId);
}
/**
*
* The default behavior of this method is to call
* {@link StateManager#restoreComponentState(javax.faces.context.FacesContext, javax.faces.component.UIViewRoot, String)}
* on the wrapped {@link StateManager} object.
*
*
* @see StateManager#restoreComponentState(javax.faces.context.FacesContext,
* javax.faces.component.UIViewRoot, String)
* @since 1.2
*/
@Override
protected void restoreComponentState(FacesContext context, UIViewRoot viewRoot, String renderKitId) {
getWrapped().restoreComponentState(context, viewRoot, renderKitId);
}
/**
*
* The default behavior of this method is to call
* {@link StateManager#isSavingStateInClient(javax.faces.context.FacesContext)} on the wrapped
* {@link StateManager} object.
*
*
* @see StateManager#isSavingStateInClient(javax.faces.context.FacesContext)
* @since 1.2
*/
@Override
public boolean isSavingStateInClient(FacesContext context) {
return getWrapped().isSavingStateInClient(context);
}
/**
*
* The default behavior of this method is to call
* {@link StateManager#getViewState(javax.faces.context.FacesContext)} on the wrapped
* {@link StateManager} object.
*
*
* @since 2.0
*/
@Override
public String getViewState(FacesContext context) {
return getWrapped().getViewState(context);
}
}