Example usage for org.apache.maven.repository.legacy.metadata DefaultMetadataResolutionRequest DefaultMetadataResolutionRequest

Introduction

In this page you can find the example usage for org.apache.maven.repository.legacy.metadata DefaultMetadataResolutionRequest DefaultMetadataResolutionRequest.

Prototype

public DefaultMetadataResolutionRequest() 

Source Link

Usage

From source file:org.commonjava.emb.component.vfind.VersionFinder.java

License:Apache License

protected List<String> retrieveMatchingVersions(final String groupId, final String artifactId,
        final SchemeAwareVersionRange range, final Repository... remoteRepositories)
        throws VersionFinderException, EMBArtifactVersionException {
    final List<ArtifactRepository> repos = new ArrayList<ArtifactRepository>(
            remoteRepositories == null ? 0 : remoteRepositories.length);

    if (remoteRepositories != null) {
        for (final Repository repository : remoteRepositories) {
            try {
                repos.add(repositorySystem.buildArtifactRepository(repository));
            } catch (final InvalidRepositoryException e) {
                throw new VersionFinderException("Failed to build ArtifactRepository from: %s\nReason: %s", e,
                        repository, e.getMessage());
            }//  ww  w  .  j a  v  a 2  s  .  c  o  m
        }
    }

    final Artifact artifact = repositorySystem.createArtifact(groupId, artifactId, range.toString(), "pom");

    DefaultMetadataResolutionRequest req;
    try {
        req = new DefaultMetadataResolutionRequest().setArtifact(artifact).setForceUpdate(true)
                .setRemoteRepositories(repos)
                .setLocalRepository(repositorySystem.createDefaultLocalRepository());
    } catch (final InvalidRepositoryException e) {
        throw new VersionFinderException("Failed to build LOCAL ArtifactRepository.\nReason: %s", e,
                e.getMessage());
    }

    final ArtifactRepositoryMetadata arm = new ArtifactRepositoryMetadata(artifact);

    try {
        metadataManager.resolve(arm, req);
    } catch (final RepositoryMetadataResolutionException e) {
        throw new VersionFinderException("Failed to resolve available versions for: %s\nReason: %s", e,
                artifact, e.getMessage());
    }

    if (arm.getMetadata() != null && arm.getMetadata().getVersioning() != null) {
        final List<String> versions = arm.getMetadata().getVersioning().getVersions();
        if (versions != null && !versions.isEmpty()) {
            final List<String> result = new ArrayList<String>(versions.size());
            for (final String version : versions) {
                final ArtifactVersion v = new SchemeAwareArtifactVersion(version, range.getVersionScheme());
                if (range.containsVersion(v)) {
                    result.add(version);
                }
            }

            return result;
        }
    }

    return null;
}

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