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}