001package org.apache.maven.resolver.examples; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import org.apache.maven.resolver.examples.util.Booter; 023import org.eclipse.aether.RepositorySystem; 024import org.eclipse.aether.RepositorySystemSession; 025import org.eclipse.aether.artifact.Artifact; 026import org.eclipse.aether.artifact.DefaultArtifact; 027import org.eclipse.aether.resolution.VersionRangeRequest; 028import org.eclipse.aether.resolution.VersionRangeResult; 029import org.eclipse.aether.version.Version; 030 031/** 032 * Determines the newest version of an artifact. 033 */ 034public class FindNewestVersion 035{ 036 /** 037 * Main. 038 * @param args 039 * @throws Exception 040 */ 041 public static void main( String[] args ) 042 throws Exception 043 { 044 System.out.println( "------------------------------------------------------------" ); 045 System.out.println( FindNewestVersion.class.getSimpleName() ); 046 047 RepositorySystem system = Booter.newRepositorySystem(); 048 049 RepositorySystemSession session = Booter.newRepositorySystemSession( system ); 050 051 Artifact artifact = new DefaultArtifact( "org.apache.maven.resolver:maven-resolver-util:[0,)" ); 052 053 VersionRangeRequest rangeRequest = new VersionRangeRequest(); 054 rangeRequest.setArtifact( artifact ); 055 rangeRequest.setRepositories( Booter.newRepositories( system, session ) ); 056 057 VersionRangeResult rangeResult = system.resolveVersionRange( session, rangeRequest ); 058 059 Version newestVersion = rangeResult.getHighestVersion(); 060 061 System.out.println( "Newest version " + newestVersion + " from repository " 062 + rangeResult.getRepository( newestVersion ) ); 063 } 064 065}