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;
024import org.eclipse.aether.artifact.Artifact;
025import org.eclipse.aether.artifact.DefaultArtifact;
026import org.eclipse.aether.resolution.VersionRangeRequest;
027import org.eclipse.aether.resolution.VersionRangeResult;
028import org.eclipse.aether.version.Version;
029
030/**
031 * Determines the newest version of an artifact.
032 */
033public class FindNewestVersion {
034    /**
035     * Main.
036     * @param args
037     * @throws Exception
038     */
039    public static void main(String[] args) throws Exception {
040        System.out.println("------------------------------------------------------------");
041        System.out.println(FindNewestVersion.class.getSimpleName());
042
043        RepositorySystem system = Booter.newRepositorySystem(Booter.selectFactory(args));
044
045        RepositorySystemSession session = Booter.newRepositorySystemSession(system);
046
047        Artifact artifact = new DefaultArtifact("org.apache.maven.resolver:maven-resolver-util:[0,)");
048
049        VersionRangeRequest rangeRequest = new VersionRangeRequest();
050        rangeRequest.setArtifact(artifact);
051        rangeRequest.setRepositories(Booter.newRepositories(system, session));
052
053        VersionRangeResult rangeResult = system.resolveVersionRange(session, rangeRequest);
054
055        Version newestVersion = rangeResult.getHighestVersion();
056
057        System.out.println(
058                "Newest version " + newestVersion + " from repository " + rangeResult.getRepository(newestVersion));
059    }
060}