    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.commons.configuration2.io;
    018
    019import java.net.URL;
    020
    021/**
    022 * <p>
    023 * A specialized implementation of {@code FileLocationStrategy} which checks whether a passed in {@link FileLocator}
    024 * already has a defined URL.
    025 * </p>
    026 * <p>
    027 * {@code FileLocator} objects that have a URL already reference a file in an unambiguous way. Therefore, this strategy
    028 * just returns the URL of the passed in {@code FileLocator}. It can be used as a first step of the file resolving
    029 * process. If it fails, more sophisticated attempts for resolving the file can be made.
    030 * </p>
    031 *
    032 * @since 2.0
    033 */
    034public class ProvidedURLLocationStrategy implements FileLocationStrategy {
    035    /**
    036     * {@inheritDoc} This implementation just returns the URL stored in the given {@code FileLocator}.
    037     */
    038    @Override
    039    public URL locate(final FileSystem fileSystem, final FileLocator locator) {
    040        return locator.getSourceURL();
    041    }
    042}