/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.commons.configuration2.io;

import java.net.URL;

import org.apache.commons.lang3.StringUtils;

 A specialized FileLocationStrategy implementation which searches for files on the class path. 
 This strategy implementation ignores the URL and the base path components of the passed in FileLocator. It tries to look up the file name on both the class path and the system class path. 
Since:
2.0/**
 * <p>
 * A specialized {@code FileLocationStrategy} implementation which searches for
 * files on the class path.
 * </p>
 * <p>
 * This strategy implementation ignores the URL and the base path components of
 * the passed in {@link FileLocator}. It tries to look up the file name on both
 * the class path and the system class path.
 * </p>
 *
 * @since 2.0
 */
public class ClasspathLocationStrategy implements FileLocationStrategy
{
    
{@inheritDoc} This implementation looks up the locator's file name as a
resource on the class path.
/**
     * {@inheritDoc} This implementation looks up the locator's file name as a
     * resource on the class path.
     */
    @Override
    public URL locate(final FileSystem fileSystem, final FileLocator locator)
    {
        return StringUtils.isEmpty(locator.getFileName()) ? null
                : FileLocatorUtils.locateFromClasspath(locator.getFileName());
    }
}