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  /*
   * 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.
  *
  *
  * This file incorporates work covered by the following copyright and
  * permission notice:
  *
  * 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 javax.faces.view.facelets;
 
 import java.net.URL;

Provide a hook to decorate or override the way that Facelets loads template files. A default implementation must be provided that satisfies the requirements for loading templates as in Pre-JSF 2.0 Facelets.

If a <context-param> with the param name equal to the value of FACELETS_RESOURCE_RESOLVER_PARAM_NAME exists, the runtime must interpret its value as a fully qualified classname of a java class that extends ResourceResolver and has a zero argument public constructor or a one argument public constructor where the type of the argument is ResourceResolver. If this param is set and its value does not conform to those requirements, the runtime must log a message and continue. If it does conform to these requirements and has a one-argument constructor, the default ResourceResolver must be passed to the constructor. If it has a zero argument constructor it is invoked directly. In either case, the new ResourceResolver replaces the old one.

 
 
 public abstract class ResourceResolver {
 
     public static final String FACELETS_RESOURCE_RESOLVER_PARAM_NAME = 
         "javax.faces.FACELETS_RESOURCE_RESOLVER";

    

Returns the URL of a Facelet template file. Called by the Facelets Runtime to load a template file referred to in a Facelets page.

Parameters:
path the internal path to the template resource.
    abstract public URL resolveUrl(String path);
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