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.resolver; 020 021import java.io.ByteArrayOutputStream; 022import java.io.PrintStream; 023 024import org.apache.maven.resolver.examples.util.Booter; 025import org.apache.maven.resolver.examples.util.ConsoleDependencyGraphDumper; 026import org.eclipse.aether.DefaultRepositorySystemSession; 027import org.eclipse.aether.RepositorySystem; 028import org.eclipse.aether.RepositorySystemSession; 029import org.eclipse.aether.artifact.Artifact; 030import org.eclipse.aether.artifact.DefaultArtifact; 031import org.eclipse.aether.collection.CollectRequest; 032import org.eclipse.aether.deployment.DeployRequest; 033import org.eclipse.aether.deployment.DeploymentException; 034import org.eclipse.aether.graph.Dependency; 035import org.eclipse.aether.graph.DependencyNode; 036import org.eclipse.aether.installation.InstallRequest; 037import org.eclipse.aether.installation.InstallationException; 038import org.eclipse.aether.repository.Authentication; 039import org.eclipse.aether.repository.LocalRepository; 040import org.eclipse.aether.repository.RemoteRepository; 041import org.eclipse.aether.resolution.DependencyRequest; 042import org.eclipse.aether.resolution.DependencyResolutionException; 043import org.eclipse.aether.util.graph.visitor.PreorderNodeListGenerator; 044import org.eclipse.aether.util.repository.AuthenticationBuilder; 045 046/** 047 */ 048public class Resolver { 049 private final String remoteRepository; 050 051 private final RepositorySystem repositorySystem; 052 053 private final LocalRepository localRepository; 054 055 public Resolver(String factory, String remoteRepository, String localRepository) { 056 this.remoteRepository = remoteRepository; 057 this.repositorySystem = Booter.newRepositorySystem(factory); 058 this.localRepository = new LocalRepository(localRepository); 059 } 060 061 private RepositorySystemSession newSession() { 062 DefaultRepositorySystemSession session = Booter.newRepositorySystemSession(repositorySystem); 063 session.setLocalRepositoryManager(repositorySystem.newLocalRepositoryManager(session, localRepository)); 064 session.setTransferListener(null); 065 session.setRepositoryListener(null); 066 return session; 067 } 068 069 public ResolverResult resolve(String groupId, String artifactId, String version) 070 throws DependencyResolutionException { 071 RepositorySystemSession session = newSession(); 072 Dependency dependency = new Dependency(new DefaultArtifact(groupId, artifactId, "", "jar", version), "runtime"); 073 RemoteRepository central = new RemoteRepository.Builder("central", "default", remoteRepository).build(); 074 075 CollectRequest collectRequest = new CollectRequest(); 076 collectRequest.setRoot(dependency); 077 collectRequest.addRepository(central); 078 079 DependencyRequest dependencyRequest = new DependencyRequest(); 080 dependencyRequest.setCollectRequest(collectRequest); 081 082 DependencyNode rootNode = 083 repositorySystem.resolveDependencies(session, dependencyRequest).getRoot(); 084 085 StringBuilder dump = new StringBuilder(); 086 displayTree(rootNode, dump); 087 System.out.println("Tree:"); 088 System.out.println(dump); 089 090 PreorderNodeListGenerator nlg = new PreorderNodeListGenerator(); 091 rootNode.accept(nlg); 092 093 return new ResolverResult(rootNode, nlg.getFiles(), nlg.getClassPath()); 094 } 095 096 public void install(Artifact artifact, Artifact pom) throws InstallationException { 097 RepositorySystemSession session = newSession(); 098 099 InstallRequest installRequest = new InstallRequest(); 100 installRequest.addArtifact(artifact).addArtifact(pom); 101 102 repositorySystem.install(session, installRequest); 103 } 104 105 public void deploy(Artifact artifact, Artifact pom, String remoteRepository) throws DeploymentException { 106 RepositorySystemSession session = newSession(); 107 108 Authentication auth = new AuthenticationBuilder() 109 .addUsername("admin") 110 .addPassword("admin123") 111 .build(); 112 RemoteRepository nexus = new RemoteRepository.Builder("nexus", "default", remoteRepository) 113 .setAuthentication(auth) 114 .build(); 115 116 DeployRequest deployRequest = new DeployRequest(); 117 deployRequest.addArtifact(artifact).addArtifact(pom); 118 deployRequest.setRepository(nexus); 119 120 repositorySystem.deploy(session, deployRequest); 121 } 122 123 private void displayTree(DependencyNode node, StringBuilder sb) { 124 ByteArrayOutputStream os = new ByteArrayOutputStream(1024); 125 node.accept(new ConsoleDependencyGraphDumper(new PrintStream(os))); 126 sb.append(os.toString()); 127 } 128}