001    package org.apache.maven.model.path;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *  http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    /**
023     * Normalizes a URL to remove the ugly parent references "../" that got potentially inserted by URL adjustment during
024     * model inheritance.
025     * 
026     * @author Benjamin Bentmann
027     */
028    public interface UrlNormalizer
029    {
030    
031        /**
032         * Normalizes the specified URL.
033         * 
034         * @param url The URL to normalize, may be {@code null}.
035         * @return The normalized URL or {@code null} if the input was {@code null}.
036         */
037        String normalize( String url );
038    
039    }