import java.io.IOException;
import javax.faces.FacesException;
import javax.faces.application.ViewHandler;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
 
public class CustomViewHandler extends ViewHandler {
	private ViewHandler parent;
 
	public CustomViewHandler(ViewHandler parent) {
		//System.out.println("CustomViewHandler.CustomViewHandler():Parent View Handler:"+parent.getClass());
		this.parent = parent;
	}
 
    @Override public UIViewRoot restoreView(FacesContext facesContext, String viewId) {
	/**
	 * {@link javax.faces.application.ViewExpiredException}. This happens only  when we try to logout from timed out pages.
	 */
	UIViewRoot root =null; 
	root = parent.restoreView(facesContext, viewId);
	if(root == null) {			
		root = createView(facesContext, viewId);
	}
	return root;
 }
 
 @Override
	public Locale calculateLocale(FacesContext facesContext) {
		return parent.calculateLocale(facesContext);
	}
 
	@Override
	public String calculateRenderKitId(FacesContext facesContext) {
		String renderKitId = parent.calculateRenderKitId(facesContext);
		//System.out.println("CustomViewHandler.calculateRenderKitId():RenderKitId: "+renderKitId);
		return renderKitId;
	}
 
	@Override
	public UIViewRoot createView(FacesContext facesContext, String viewId) {
		return parent.createView(facesContext, viewId);
	}
 
 
    @Override
	public String getActionURL(FacesContext facesContext, String actionId) {
		return parent.getActionURL(facesContext, actionId);
	}
 
	@Override
	public String getResourceURL(FacesContext facesContext, String resId) {
		return parent.getResourceURL(facesContext, resId);
	}
 
	@Override
	public void renderView(FacesContext facesContext, UIViewRoot viewId) throws IOException, FacesException {
		parent.renderView(facesContext, viewId);
 
	}
 
	@Override
	public void writeState(FacesContext facesContext) throws IOException {
		parent.writeState(facesContext);
	}
 
	public ViewHandler getParent() {
		return parent;
	}
 
}

<view-handler>com.demo.CustomViewHandler</view-handler>