001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.request.resource;
018
019/**
020 * Used to create a ResourceReference for a given request attributes
021 */
022@FunctionalInterface
023public interface IResourceReferenceFactory
024{
025        /**
026         * Creates a new instance of ResourceReference with the given
027         * request attributes
028         *
029         * @param key
030         *      The object that brings the request attributes
031         * @return a ResourceReference or {@code null} if the factory cannot create
032         *      such with the given request attributes
033         */
034        ResourceReference create(ResourceReference.Key key);
035}