| package org.apache.maven.resolver.examples.maven; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.List; |
| |
| import org.apache.maven.plugin.AbstractMojo; |
| import org.apache.maven.plugin.MojoExecutionException; |
| import org.apache.maven.plugin.MojoFailureException; |
| import org.apache.maven.plugins.annotations.Component; |
| import org.apache.maven.plugins.annotations.Mojo; |
| import org.apache.maven.plugins.annotations.Parameter; |
| import org.eclipse.aether.RepositorySystem; |
| import org.eclipse.aether.RepositorySystemSession; |
| import org.eclipse.aether.artifact.Artifact; |
| import org.eclipse.aether.artifact.DefaultArtifact; |
| import org.eclipse.aether.repository.RemoteRepository; |
| import org.eclipse.aether.resolution.ArtifactRequest; |
| import org.eclipse.aether.resolution.ArtifactResolutionException; |
| import org.eclipse.aether.resolution.ArtifactResult; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Resolves a single artifact (not including its transitive dependencies). |
| */ |
| @Mojo( name = "resolve-artifact", threadSafe = true ) |
| public class ResolveArtifactMojo |
| extends AbstractMojo |
| { |
| private static final Logger LOGGER = LoggerFactory.getLogger( ResolveArtifactMojo.class ); |
| /** |
| * The entry point to Maven Artifact Resolver, i.e. the component doing all the work. |
| */ |
| @Component |
| private RepositorySystem repoSystem; |
| |
| /** |
| * The current repository/network configuration of Maven. |
| */ |
| @Parameter( defaultValue = "${repositorySystemSession}", readonly = true ) |
| private RepositorySystemSession repoSession; |
| |
| /** |
| * The project's remote repositories to use for the resolution. |
| */ |
| @Parameter( defaultValue = "${project.remotePluginRepositories}", readonly = true ) |
| private List<RemoteRepository> remoteRepos; |
| |
| /** |
| * The {@code <groupId>:<artifactId>[:<extension>[:<classifier>]]:<version>} of the artifact to resolve. |
| */ |
| @Parameter ( property = "resolver.artifactCoords", readonly = true ) |
| private String artifactCoords; |
| |
| /** |
| * The actual execution of the mojo. |
| */ |
| public void execute() |
| throws MojoExecutionException, MojoFailureException |
| { |
| Artifact artifact; |
| try |
| { |
| artifact = new DefaultArtifact( artifactCoords ); |
| } |
| catch ( IllegalArgumentException e ) |
| { |
| throw new MojoFailureException( e.getMessage(), e ); |
| } |
| |
| ArtifactRequest request = new ArtifactRequest(); |
| request.setArtifact( artifact ); |
| request.setRepositories( remoteRepos ); |
| |
| LOGGER.info( "Resolving artifact {} from {}", artifact, remoteRepos ); |
| |
| ArtifactResult result; |
| try |
| { |
| result = repoSystem.resolveArtifact( repoSession, request ); |
| } |
| catch ( ArtifactResolutionException e ) |
| { |
| throw new MojoExecutionException( e.getMessage(), e ); |
| } |
| |
| LOGGER.info( "Resolved artifact {} to {} from {}", artifact, result.getArtifact().getFile(), |
| result.getRepository() ); |
| } |
| |
| } |