ArtifactRepositoryPolicy releases) {
        if (snapshots == null) {
            snapshots = new ArtifactRepositoryPolicy();
        }

        if (releases == null) {
            releases = new ArtifactRepositoryPolicy();
        }

        if (globalUpdatePolicy != null) {
            snapshots.setUpdatePolicy(globalUpdatePolicy);
            releases.setUpdatePolicy(globalUpdatePolicy);
        }

            ArtifactRepositoryPolicy releases)
            throws UnknownRepositoryLayoutException;

    ArtifactRepository createArtifactRepository(
            String id,
            String url,
            ArtifactRepositoryLayout repositoryLayout,
            ArtifactRepositoryPolicy snapshots,
            ArtifactRepositoryPolicy releases);

    void setGlobalUpdatePolicy(String snapshotPolicy);

            ArtifactRepositoryPolicy snapshots = buildArtifactRepositoryPolicy(repo.getSnapshots());

            ArtifactRepositoryPolicy releases = buildArtifactRepositoryPolicy(repo.getReleases());

            return createArtifactRepository(id, url, getLayout(repo.getLayout()), snapshots, releases);
        } else {
            return null;
        }
    }

    private ArtifactRepository createRepository(

      <url>http://svn.apache.org/maven-snapshot-repository</url>
      <releases>
        <enabled>false</enabled>
      </releases>
    </repository>
  </repositories>
  <distributionManagement>
    <!-- Site omitted - each project must provide their own -->
    <repository>
      <id>apache.releases</id>
      <name>Apache Release Distribution Repository</name>

  </modules>
  <repositories>
    <repository>
      <releases>
        <enabled>false</enabled>
      </releases>
      <id>snapshots</id>
      <name>Maven Central Development Repository</name>
      <url>http://snapshots.maven.codehaus.org/maven2</url>
    </repository>
  </repositories>
  <pluginRepositories>
    <pluginRepository>
      <releases>
        <enabled>false</enabled>
      </releases>

        }

        this.snapshots = snapshots;

        if (releases == null) {
            releases = new ArtifactRepositoryPolicy(
                    true,
                    ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS,
                    ArtifactRepositoryPolicy.CHECKSUM_POLICY_IGNORE);
        }

        this.releases = releases;
    }

    public String pathOf(Artifact artifact) {

            String url,
            ArtifactRepositoryLayout repositoryLayout,
            ArtifactRepositoryPolicy snapshots,
            ArtifactRepositoryPolicy releases) {
        return new MavenArtifactRepository(id, url, repositoryLayout, snapshots, releases);
    }

    public Artifact createArtifactWithClassifier(
            String groupId, String artifactId, String version, String type, String classifier) {

     * </snapshotRepository>
     * </distributionManagement>
     * ]]></origin>
     * <usage><![CDATA[
     * The repositories onto which artifacts should be deployed.
     * One is for releases, the other for snapshots.
     * ]]></usage>
     * </expression>
     * <expressions>
     *
     * @throws IOException
     * @throws XmlPullParserException
     */

            ArtifactRepositoryLayout repositoryLayout,
            ArtifactRepositoryPolicy snapshots,
            ArtifactRepositoryPolicy releases) {
        if (snapshots == null) {
            snapshots = new ArtifactRepositoryPolicy();
        }

        if (releases == null) {
            releases = new ArtifactRepositoryPolicy();
        }

        ArtifactRepository repository;

        if (settingsRepo.getSnapshots() != null) {
            repo.snapshots(convertRepositoryPolicy(settingsRepo.getSnapshots()));
        }
        if (settingsRepo.getReleases() != null) {
            repo.releases(convertRepositoryPolicy(settingsRepo.getReleases()));
        }

        return repo.build();
    }

    /**
     * @param settingsPolicy
     * @return a RepositoryPolicy
     */