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package javax.faces.application;
import javax.faces.context.FacesContext;
import javax.faces.component.UIViewRoot;
import java.io.IOException;
import javax.faces.FacesWrapper;
/**
* 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 override {@link #getWrapped} to
* return the instance we are wrapping.
*
* @since 1.2
*/
public abstract class StateManagerWrapper extends StateManager implements FacesWrapper {
/**
* @return the instance that we are wrapping.
*/
public abstract StateManager getWrapped();
// ----------------------- 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
*/
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
*/
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
*/
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
*/
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
*/
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
*/
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
*/
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
*/
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
*/
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
*/
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);
}
}