001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.maven.resolver.examples;
020
021import org.apache.maven.resolver.examples.util.Booter;
022import org.eclipse.aether.RepositorySystem;
023import org.eclipse.aether.RepositorySystemSession.CloseableSession;
024import org.eclipse.aether.artifact.Artifact;
025import org.eclipse.aether.artifact.DefaultArtifact;
026import org.eclipse.aether.repository.RepositoryPolicy;
027import org.eclipse.aether.resolution.ArtifactRequest;
028import org.eclipse.aether.resolution.ArtifactResult;
029
030/**
031 * Resolves a single artifact.
032 */
033public class ResolveArtifact {
034
035    /**
036     * Main.
037     * @param args
038     * @throws Exception
039     */
040    public static void main(String[] args) throws Exception {
041        System.out.println("------------------------------------------------------------");
042        System.out.println(ResolveArtifact.class.getSimpleName());
043
044        try (RepositorySystem system = Booter.newRepositorySystem(Booter.selectFactory(args))) {
045            Artifact artifact;
046            ArtifactRequest artifactRequest;
047            ArtifactResult artifactResult;
048
049            try (CloseableSession session =
050                    Booter.newRepositorySystemSession(system).build()) {
051                artifact = new DefaultArtifact("org.apache.maven.resolver:maven-resolver-util:1.3.3");
052
053                artifactRequest = new ArtifactRequest();
054                artifactRequest.setArtifact(artifact);
055                artifactRequest.setRepositories(Booter.newRepositories(system, session));
056
057                artifactResult = system.resolveArtifact(session, artifactRequest);
058
059                artifact = artifactResult.getArtifact();
060
061                System.out.println(artifact + " resolved to  " + artifact.getPath());
062            }
063
064            // signature
065            try (CloseableSession session = Booter.newRepositorySystemSession(system)
066                    .setChecksumPolicy(RepositoryPolicy.CHECKSUM_POLICY_FAIL)
067                    .build()) {
068                artifact = new DefaultArtifact("org.apache.maven.resolver:maven-resolver-util:jar.asc:1.3.3");
069
070                artifactRequest = new ArtifactRequest();
071                artifactRequest.setArtifact(artifact);
072                artifactRequest.setRepositories(Booter.newRepositories(system, session));
073
074                artifactResult = system.resolveArtifact(session, artifactRequest);
075
076                artifact = artifactResult.getArtifact();
077
078                System.out.println(artifact + " resolved signature to  " + artifact.getPath());
079            }
080        }
081    }
082}