jakarta.faces.view.facelets.Facelet Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jakarta.faces Show documentation
Show all versions of jakarta.faces Show documentation
EE4J Compatible Implementation for Jakarta Faces API
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
* Copyright 2005-2007 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jakarta.faces.view.facelets;
import java.io.IOException;
import jakarta.faces.component.UIComponent;
import jakarta.faces.context.FacesContext;
/**
*
* The parent or root object in a FaceletHandler composition. The Facelet will
* take care of populating the passed UIComponent parent in relation to the create/restore lifecycle of Jakarta Server
* Faces.
*
*
*/
public abstract class Facelet {
/**
*
* The passed UIComponent parent will be populated/restored in accordance with
* the Facelets chapter in the spec prose document.
*
*
* @param facesContext The current FacesContext (Should be the same as FacesContext.getInstance())
* @param parent The UIComponent to populate in a compositional fashion. In most cases a Facelet will be base a
* UIViewRoot.
*
* @throws IOException if unable to load a file necessary to apply this {@code Facelet}
*
* @throws FaceletException if unable to parse the markup loaded in applying this {@code Facelet}
*
* @throws jakarta.faces.FacesException if unable to create child UIComponent
instances
*
* @throws jakarta.el.ELException if any of the expressions in the markup loaded during the apply fail
*
*/
public abstract void apply(FacesContext facesContext, UIComponent parent) throws IOException;
}