package org.apache.maven.artifact.transform;
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.manager.WagonManager;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.metadata.ArtifactRepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.Metadata;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataManager;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataResolutionException;
import org.apache.maven.artifact.repository.metadata.SnapshotArtifactRepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.Versioning;
import org.codehaus.plexus.logging.AbstractLogEnabled;
import java.util.List;
/**
* Describes a version transformation during artifact resolution.
*
* @author <a href="mailto:brett@apache.org">Brett Porter</a>
* @version $Id: AbstractVersionTransformation.java 767322 2009-04-21 22:52:54Z jdcasey $
* @todo try and refactor to remove abstract methods - not particular happy about current design
*/
public abstract class AbstractVersionTransformation
extends AbstractLogEnabled
implements ArtifactTransformation
{
protected RepositoryMetadataManager repositoryMetadataManager;
protected WagonManager wagonManager;
protected String resolveVersion( Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories )
throws RepositoryMetadataResolutionException
{
RepositoryMetadata metadata;
// Don't use snapshot metadata for LATEST (which isSnapshot returns true for)
if ( !artifact.isSnapshot() || Artifact.LATEST_VERSION.equals( artifact.getBaseVersion() ) )
{
metadata = new ArtifactRepositoryMetadata( artifact );
}
else
{
metadata = new SnapshotArtifactRepositoryMetadata( artifact );
}
repositoryMetadataManager.resolve( metadata, remoteRepositories, localRepository );
artifact.addMetadata( metadata );
Metadata repoMetadata = metadata.getMetadata();
String version = null;
if ( repoMetadata != null && repoMetadata.getVersioning() != null )
{
version = constructVersion( repoMetadata.getVersioning(), artifact.getBaseVersion() );
}
if ( version == null )
{
// use the local copy, or if it doesn't exist - go to the remote repo for it
version = artifact.getBaseVersion();
}
// TODO: also do this logging for other metadata?
// TODO: figure out way to avoid duplicated message
if ( getLogger().isDebugEnabled() )
{
if ( !version.equals( artifact.getBaseVersion() ) )
{
String message = artifact.getArtifactId() + ": resolved to version " + version;
if ( artifact.getRepository() != null )
{
message += " from repository " + artifact.getRepository().getId();
}
else
{
message += " from local repository";
}
getLogger().debug( message );
}
else
{
// Locally installed file is newer, don't use the resolved version
getLogger().debug( artifact.getArtifactId() + ": using locally installed snapshot" );
}
}
return version;
}
protected abstract String constructVersion( Versioning versioning, String baseVersion );
}