org.eclipse.aether.examples.FindNewestVersion Maven / Gradle / Ivy

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A launcher which will start a java application using a maven repository

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/*******************************************************************************
 * Copyright (c) 2010, 2013 Sonatype, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Sonatype, Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.aether.examples;

import org.eclipse.aether.RepositorySystem;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.artifact.DefaultArtifact;
import org.eclipse.aether.examples.util.Booter;
import org.eclipse.aether.resolution.VersionRangeRequest;
import org.eclipse.aether.resolution.VersionRangeResult;
import org.eclipse.aether.version.Version;

/**
 * Determines the newest version of an artifact.
 */
public class FindNewestVersion
{

	public static void main( String[] args )
			throws Exception
	{
		System.out.println( "------------------------------------------------------------" );
		System.out.println( FindNewestVersion.class.getSimpleName() );

		RepositorySystem system = Booter.newRepositorySystem();

		RepositorySystemSession session = Booter.newRepositorySystemSession( system );

		Artifact artifact = new DefaultArtifact( "org.eclipse.aether:aether-util:[0,)" );

		VersionRangeRequest rangeRequest = new VersionRangeRequest();
		rangeRequest.setArtifact( artifact );
		rangeRequest.setRepositories( Booter.newRepositories( system, session ) );

		VersionRangeResult rangeResult = system.resolveVersionRange( session, rangeRequest );

		Version newestVersion = rangeResult.getHighestVersion();

		System.out.println( "Newest version " + newestVersion + " from repository "
				+ rangeResult.getRepository( newestVersion ) );
	}

}