| /* |
| * 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.plugins.resolver; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.ivy.core.cache.CacheResourceOptions; |
| import org.apache.ivy.core.report.ArtifactDownloadReport; |
| import org.apache.ivy.osgi.repo.RelativeURLRepository; |
| import org.apache.ivy.plugins.repository.Repository; |
| import org.apache.ivy.plugins.repository.url.ChainedRepository; |
| import org.apache.ivy.plugins.repository.url.URLRepository; |
| import org.apache.ivy.plugins.repository.url.URLResource; |
| import org.apache.ivy.util.Message; |
| |
| public class MirroredURLResolver extends RepositoryResolver { |
| |
| private URL mirrorListUrl; |
| |
| public MirroredURLResolver() { |
| setRepository(new ChainedRepository()); |
| } |
| |
| public void setMirrorListUrl(URL mirrorListUrl) { |
| this.mirrorListUrl = mirrorListUrl; |
| } |
| |
| private void setupMirrors() { |
| File mirrorListFile = downloadMirrorList(); |
| List<String> mirrorBaseUrls; |
| try { |
| mirrorBaseUrls = readMirrorList(mirrorListFile); |
| } catch (IOException e) { |
| throw new IllegalStateException("The mirror list could not be read from " |
| + mirrorListUrl + " (" + e.getMessage() + ")"); |
| } |
| List<Repository> repositories = new ArrayList<>(); |
| for (String baseUrl : mirrorBaseUrls) { |
| URL url = null; |
| try { |
| url = new URL(baseUrl); |
| } catch (MalformedURLException e) { |
| Message.warn("In the mirror list from " + mirrorListUrl |
| + ", an incorrect url has been found and will then not be used: " + baseUrl); |
| } |
| if (url != null) { |
| final RelativeURLRepository repo = new RelativeURLRepository(url, this.getTimeoutConstraint()); |
| repositories.add(repo); |
| } |
| } |
| ((ChainedRepository) getRepository()).setRepositories(repositories); |
| } |
| |
| private File downloadMirrorList() { |
| final URLRepository urlRepository = new URLRepository(this.getTimeoutConstraint()); |
| if (getEventManager() != null) { |
| urlRepository.addTransferListener(getEventManager()); |
| } |
| final URLResource mirrorResource = new URLResource(mirrorListUrl, this.getTimeoutConstraint()); |
| CacheResourceOptions options = new CacheResourceOptions(); |
| ArtifactDownloadReport report = getRepositoryCacheManager().downloadRepositoryResource( |
| mirrorResource, "mirrorlist", "text", "txt", options, urlRepository); |
| return report.getLocalFile(); |
| } |
| |
| private List<String> readMirrorList(File mirrorListFile) throws IOException { |
| List<String> list = new ArrayList<>(); |
| try (BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream( |
| mirrorListFile)))) { |
| String line = in.readLine(); |
| while (line != null) { |
| list.add(line); |
| line = in.readLine(); |
| } |
| } |
| return list; |
| } |
| |
| @Override |
| public String getTypeName() { |
| return "mirroredurl"; |
| } |
| |
| @Override |
| public void validate() { |
| super.validate(); |
| setupMirrors(); |
| } |
| } |