class DefaultArtifactDeployer extends AbstractLogEnabled implements ArtifactDeployer {

    @Inject
    private RepositorySystem repoSystem;

    @Inject
    private LegacySupport legacySupport;

    private Map<Object, MergeableMetadata> relatedMetadata = new ConcurrentHashMap<>();

    /**
     * @deprecated we want to use the artifact method only, and ensure artifact.file is set
     *             correctly.
     */
    @Deprecated
    public void deploy(
            String basedir,
            String finalName,
            Artifact artifact,
            ArtifactRepository deploymentRepository,
            ArtifactRepository localRepository)
            throws ArtifactDeploymentException {
        String extension = artifact.getArtifactHandler().getExtension();
        File source = new File(basedir, finalName + "." + extension);
        deploy(source, artifact, deploymentRepository, localRepository);
    }

    public void deploy(
            File source, Artifact artifact, ArtifactRepository deploymentRepository, ArtifactRepository localRepository)
            throws ArtifactDeploymentException {<FILL_FUNCTION_BODY>}
}

        RepositorySystemSession session =
                LegacyLocalRepositoryManager.overlay(localRepository, legacySupport.getRepositorySession(), repoSystem);

        DeployRequest request = new DeployRequest();

        request.setTrace(RequestTrace.newChild(null, legacySupport.getSession().getCurrentProject()));

        org.eclipse.aether.artifact.Artifact mainArtifact = RepositoryUtils.toArtifact(artifact);
        mainArtifact = mainArtifact.setFile(source);
        request.addArtifact(mainArtifact);

        String versionKey = artifact.getGroupId() + ':' + artifact.getArtifactId();
        String snapshotKey = null;
        if (artifact.isSnapshot()) {
            snapshotKey = versionKey + ':' + artifact.getBaseVersion();
            request.addMetadata(relatedMetadata.get(snapshotKey));
        }
        request.addMetadata(relatedMetadata.get(versionKey));

        for (ArtifactMetadata metadata : artifact.getMetadataList()) {
            if (metadata instanceof ProjectArtifactMetadata) {
                org.eclipse.aether.artifact.Artifact pomArtifact = new SubArtifact(mainArtifact, "", "pom");
                pomArtifact = pomArtifact.setFile(((ProjectArtifactMetadata) metadata).getFile());
                request.addArtifact(pomArtifact);
            } else if (metadata instanceof SnapshotArtifactRepositoryMetadata
                    || metadata instanceof ArtifactRepositoryMetadata) {
                // eaten, handled by repo system
            } else {
                request.addMetadata(new MetadataBridge(metadata));
            }
        }

        RemoteRepository remoteRepo = RepositoryUtils.toRepo(deploymentRepository);
        /*
         * NOTE: This provides backward-compat with maven-deploy-plugin:2.4 which bypasses the repository factory when
         * using an alternative deployment location.
         */
        if (deploymentRepository instanceof DefaultArtifactRepository
                && deploymentRepository.getAuthentication() == null) {
            RemoteRepository.Builder builder = new RemoteRepository.Builder(remoteRepo);
            builder.setAuthentication(session.getAuthenticationSelector().getAuthentication(remoteRepo));
            builder.setProxy(session.getProxySelector().getProxy(remoteRepo));
            remoteRepo = builder.build();
        }
        request.setRepository(remoteRepo);

        DeployResult result;
        try {
            result = repoSystem.deploy(session, request);
        } catch (DeploymentException e) {
            throw new ArtifactDeploymentException(e.getMessage(), e);
        }

        for (Object metadata : result.getMetadata()) {
            if (metadata.getClass().getName().endsWith(".internal.VersionsMetadata")) {
                relatedMetadata.put(versionKey, (MergeableMetadata) metadata);
            }
            if (snapshotKey != null && metadata.getClass().getName().endsWith(".internal.RemoteSnapshotMetadata")) {
                relatedMetadata.put(snapshotKey, (MergeableMetadata) metadata);
            }
        }

        artifact.setResolvedVersion(result.getArtifacts().iterator().next().getVersion());
    
<methods>public void <init>() ,public void enableLogging(org.codehaus.plexus.logging.Logger) <variables>private org.codehaus.plexus.logging.Logger logger