View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.resolver.examples;
20  
21  import org.apache.maven.resolver.examples.util.Booter;
22  import org.eclipse.aether.RepositorySystem;
23  import org.eclipse.aether.RepositorySystemSession.CloseableSession;
24  import org.eclipse.aether.artifact.Artifact;
25  import org.eclipse.aether.artifact.DefaultArtifact;
26  import org.eclipse.aether.repository.RepositoryPolicy;
27  import org.eclipse.aether.resolution.ArtifactRequest;
28  import org.eclipse.aether.resolution.ArtifactResult;
29  
30  /**
31   * Resolves a single artifact.
32   */
33  public class ResolveArtifact {
34  
35      /**
36       * Main.
37       * @param args
38       * @throws Exception
39       */
40      public static void main(String[] args) throws Exception {
41          System.out.println("------------------------------------------------------------");
42          System.out.println(ResolveArtifact.class.getSimpleName());
43  
44          try (RepositorySystem system = Booter.newRepositorySystem(Booter.selectFactory(args))) {
45              Artifact artifact;
46              ArtifactRequest artifactRequest;
47              ArtifactResult artifactResult;
48  
49              try (CloseableSession session =
50                      Booter.newRepositorySystemSession(system).build()) {
51                  artifact = new DefaultArtifact("org.apache.maven.resolver:maven-resolver-util:1.3.3");
52  
53                  artifactRequest = new ArtifactRequest();
54                  artifactRequest.setArtifact(artifact);
55                  artifactRequest.setRepositories(Booter.newRepositories(system, session));
56  
57                  artifactResult = system.resolveArtifact(session, artifactRequest);
58  
59                  artifact = artifactResult.getArtifact();
60  
61                  System.out.println(artifact + " resolved to  " + artifact.getPath());
62              }
63  
64              // signature
65              try (CloseableSession session = Booter.newRepositorySystemSession(system)
66                      .setChecksumPolicy(RepositoryPolicy.CHECKSUM_POLICY_FAIL)
67                      .build()) {
68                  artifact = new DefaultArtifact("org.apache.maven.resolver:maven-resolver-util:jar.asc:1.3.3");
69  
70                  artifactRequest = new ArtifactRequest();
71                  artifactRequest.setArtifact(artifact);
72                  artifactRequest.setRepositories(Booter.newRepositories(system, session));
73  
74                  artifactResult = system.resolveArtifact(session, artifactRequest);
75  
76                  artifact = artifactResult.getArtifact();
77  
78                  System.out.println(artifact + " resolved signature to  " + artifact.getPath());
79              }
80          }
81      }
82  }