javax.faces.view.ViewDeclarationLanguageFactory Maven / Gradle / Ivy
Show all versions of jsf-api Show documentation
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package javax.faces.view;
import javax.faces.FacesWrapper;
/**
* ViewDeclarationLanguageFactory
* is a factory object that creates (if needed) and returns a new {@link
* ViewDeclarationLanguage} instance based on the VDL found in a
* specific view.
*
*
*
* There must be one ViewDeclarationLanguageFactory instance per web
* application that is utilizing JavaServer Faces. This instance can be
* acquired, in a portable manner, by calling:
*
*
* ViewDeclarationLanguageFactory factory = (ViewDeclarationLanguageFactory)
* FactoryFinder.getFactory(FactoryFinder.VIEW_DECLARATION_LANGUAGE_FACTORY);
*
*
*
*
* @since 2.0
*/
public abstract class ViewDeclarationLanguageFactory implements FacesWrapper {
/**
* If this factory has been decorated, the
* implementation doing the decorating may override this method to provide
* access to the implementation being wrapped. A default implementation
* is provided that returns null.
*/
public ViewDeclarationLanguageFactory getWrapped() {
return null;
}
/**
* Return the
* ViewDeclarationLanguage instance suitable for
* handling the VDL contained in the page referenced by the argument
* viewId. The default implementation must return a
* valid ViewDeclarationLanguage instance for views
* written in either JSP, Faces XML Views, or Facelets for JSF
* 2.
*
* @param viewId the viewId to be inspected for an appropriate
* ViewDeclarationLanguage implementation for the VDL used
* in the view.
*
* @since 2.0
*
* @throws NullPointerException if viewId is null.
*
*/
public abstract ViewDeclarationLanguage getViewDeclarationLanguage(String viewId);
}