jakarta.faces.render.FacesRenderer Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 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 jakarta.faces.render;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
*
* The presence of this annotation on a class automatically registers the class with the runtime as a {@link Renderer}.
* The value of the {@link #renderKitId} attribute is taken to be the render-kit-id to which an instance of
* this Renderer is to be added. There must be a public zero-argument constructor on any class where this
* annotation appears. The implementation must indicate a fatal error if such a constructor does not exist and the
* application must not be placed in service. Within that {@link RenderKit}, The value of the {@link #rendererType}
* attribute is taken to be the renderer-type, and the value of the {@link #componentFamily} attribute is to be
* taken as the component-family. The implementation must guarantee that for each class annotated with
* FacesRenderer, found with the algorithm in
* section 11.4 "Annotations that correspond to and may take the place of entries in the Application Configuration Resources" of the Jakarta Faces Specification Document,
* the following actions are taken.
*
*
*
*
*
*
* -
*
* Obtain a reference to the {@link RenderKitFactory} for this application.
*
*
*
* -
*
* See if a RenderKit exists for render-kit-id. If so, let that instance be renderKit for
* discussion. If not, the implementation must indicate a fatal error if such a RenderKit does not exist
* and the application must not be placed in service.
*
*
*
* -
*
* Create an instance of this class using the public zero-argument constructor.
*
*
*
* -
*
* Call {@link RenderKit#addRenderer} on renderKit, passing component-family as the first argument,
* renderer-type as the second, and the newly instantiated RenderKit instance as the third
* argument.
*
*
*
*
*
*
*
*
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@Inherited
public @interface FacesRenderer {
/**
*
* The value of this annotation attribute is taken to be the render-kit-id in which an instance of this class
* of Renderer must be installed.
*
*
* @return the render-kit-id
*/
String renderKitId() default RenderKitFactory.HTML_BASIC_RENDER_KIT;
/**
*
* The value of this annotation attribute is taken to be the renderer-type which, in combination with
* {@link #componentFamily} can be used to obtain a reference to an instance of this {@link Renderer} by calling
* {@link jakarta.faces.render.RenderKit#getRenderer(java.lang.String, java.lang.String)}.
*
*
* @return the renderer-type
*/
String rendererType();
/**
*
* The value of this annotation attribute is taken to be the component-family which, in combination with
* {@link #rendererType} can be used to obtain a reference to an instance of this {@link Renderer} by calling
* {@link jakarta.faces.render.RenderKit#getRenderer(java.lang.String, java.lang.String)}.
*
*
* @return the component-family
*/
String componentFamily();
}