| /* |
| * 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.maven.model.path; |
| |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| /** |
| * Normalizes a URL. |
| * |
| */ |
| @Named |
| @Singleton |
| public class DefaultUrlNormalizer implements UrlNormalizer { |
| |
| @Override |
| public String normalize(String url) { |
| String result = url; |
| |
| if (result != null) { |
| while (true) { |
| int idx = result.indexOf("/../"); |
| if (idx < 0) { |
| break; |
| } else if (idx == 0) { |
| result = result.substring(3); |
| continue; |
| } |
| int parent = idx - 1; |
| while (parent >= 0 && result.charAt(parent) == '/') { |
| parent--; |
| } |
| parent = result.lastIndexOf('/', parent); |
| if (parent < 0) { |
| result = result.substring(idx + 4); |
| } else { |
| result = result.substring(0, parent) + result.substring(idx + 3); |
| } |
| } |
| } |
| |
| return result; |
| } |
| } |