| /* |
| * 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.karaf.features.internal.download.impl; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.concurrent.ScheduledExecutorService; |
| |
| import org.apache.karaf.util.maven.Parser; |
| import org.ops4j.pax.url.mvn.MavenResolver; |
| |
| public class MavenDownloadTask extends AbstractRetryableDownloadTask { |
| |
| private final MavenResolver resolver; |
| |
| public MavenDownloadTask(ScheduledExecutorService executor, MavenResolver resolver, String url) { |
| super(executor, url); |
| this.resolver = resolver; |
| } |
| |
| @Override |
| public String getUrl() { |
| try { |
| // This ensures the version of the artifact is resolved in the returned url |
| return Parser.pathToMaven(Parser.pathFromMaven(url, getFile().toString())); |
| } catch (IOException e) { |
| return super.getUrl(); |
| } |
| } |
| |
| @Override |
| protected File download(Exception previousException) throws Exception { |
| |
| try { |
| return resolver.resolve(url, previousException); |
| } catch (Exception ex) { |
| //try again with removing timestamp from snapshot |
| return resolver.resolve(Parser.pathToMaven(Parser.pathFromMaven(url)), previousException); |
| } |
| } |
| |
| /** |
| * Maven artifact may be looked up in several repositories. Only if exception for <strong>each</strong> |
| * repository is not retryable, we won't retry. |
| * @param e |
| * @return |
| */ |
| @Override |
| protected Retry isRetryable(IOException e) { |
| // convert pax-url-aether "retry" to features.core "retry" concept |
| switch (resolver.isRetryableException(e)) { |
| case NEVER: |
| return Retry.NO_RETRY; |
| case LOW: |
| case HIGH: |
| // no need to repeat many times |
| return Retry.QUICK_RETRY; |
| case UNKNOWN: |
| default: |
| return Retry.DEFAULT_RETRY; |
| } |
| } |
| |
| } |