| /* |
| * 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 |
| * |
| * https://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.ivy.core; |
| |
| import java.io.File; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| /** |
| * Resolve an file or url relatively to its context. |
| */ |
| public abstract class RelativeUrlResolver { |
| |
| /** |
| * Resolve the url in the context of context. |
| * |
| * @param context |
| * The URL of the resource containing the reference url |
| * @param url |
| * a relative or absolution url string |
| * @return URL |
| * @throws MalformedURLException if url is wrong |
| */ |
| public abstract URL getURL(URL context, String url) throws MalformedURLException; |
| |
| /** |
| * Resolve file or url path relatively to a context. file is considered first. If file is not |
| * defined, url will be considered. |
| * |
| * @param context |
| * The URL of the resource containing the reference file or url |
| * @param file |
| * a relative or absolute path |
| * @param url |
| * a relative or absolution url string |
| * @return the resulting url or null if failed and url are null. |
| * @throws MalformedURLException if url is wrong |
| */ |
| public URL getURL(URL context, String file, String url) throws MalformedURLException { |
| if (file != null) { |
| File f = new File(file); |
| if (f.isAbsolute()) { |
| return f.toURI().toURL(); |
| } else { |
| return getURL(context, file); |
| } |
| } else if (url != null) { |
| return getURL(context, url); |
| } else { |
| return null; |
| } |
| } |
| } |