class KPM::BaseInstaller

def install_killbill_server(specified_group_id=nil, specified_artifact_id=nil, specified_packaging=nil, specified_classifier=nil, specified_version=nil, specified_webapp_path=nil,  bundles_dir=nil, force_download=false, verify_sha1=true)
  group_id = specified_group_id || KPM::BaseArtifact::KILLBILL_GROUP_ID
  artifact_id = specified_artifact_id || KPM::BaseArtifact::KILLBILL_ARTIFACT_ID
  packaging = specified_packaging || KPM::BaseArtifact::KILLBILL_PACKAGING
  classifier = specified_classifier || KPM::BaseArtifact::KILLBILL_CLASSIFIER
  version = specified_version || LATEST_VERSION
  webapp_path = specified_webapp_path || KPM::root
  bundles_dir = Pathname.new(bundles_dir || DEFAULT_BUNDLES_DIR).expand_path
  sha1_file = "#{bundles_dir}/#{SHA1_FILENAME}"
  @logger.debug("Installing Kill Bill server: group_id=#{group_id} artifact_id=#{artifact_id} packaging=#{packaging} classifier=#{classifier} version=#{version} webapp_path=#{webapp_path}")
  KPM::KillbillServerArtifact.pull(@logger,
                                   group_id,
                                   artifact_id,
                                   packaging,
                                   classifier,
                                   version,
                                   webapp_path,
                                   sha1_file,
                                   force_download,
                                   verify_sha1,
                                   @nexus_config,
                                   @nexus_ssl_verify)
end