return defaultValue
    }

    IvyFileModule dependsOn(String organisation, String module, String revision) {
        dependsOn([organisation: organisation, module: module, revision: revision])
        return this
    }

    @Override
    IvyFileModule dependsOn(Map<String, ?> attributes, Module target) {
        def allAttrs = [organisation: target.group, module: target.module, revision: target.version]

    }

    String getDirPath(String organisation, String module, String revision) {
        M2CompatibleIvyPatternHelper.substitute(dirPattern, organisation, module, revision, m2Compatible)
    }

    TestFile moduleDir(String organisation, String module) {
        return this.module(organisation, module).moduleDir.parentFile
    }

    IvyFileModule module(String organisation, String module, String revision = '1.0') {

    }

    static String substitute(String pattern, boolean m2Compatible, Map<String, String> tokens) {
        if (tokens.containsKey('organisation')) {
            tokens.put('organisation', organisationToken(m2Compatible, tokens.get('organisation')))
        }
        IvyPatternHelper.substituteTokens(pattern, tokens)
    }

    }

    HttpDirectoryResource directoryList(String organisation, String module) {
        return new HttpDirectoryResource(server, "$contextPath/$organisation/$module/", backingRepository.moduleDir(organisation, module))
    }

    IvyHttpModule module(String organisation, String module, String revision = "1.0") {
        def path = backingRepository.getDirPath(organisation, module, revision as String)

interface RemoteIvyRepository extends IvyRepository {
    @Override
    RemoteIvyModule module(String organisation, String module)

    @Override
    RemoteIvyModule module(String organisation, String module, String revision)

    String getBaseIvyPattern()

    String getBaseArtifactPattern()

    RemoteResource directoryList(String organisation, String module)

    }

    @Override
    SftpDirectoryResource directoryList(String organisation, String module) {
        return new SftpDirectoryResource(server, backingRepository.moduleDir(organisation, module))
    }

    IvySftpModule module(String organisation, String module, String revision = "1.0") {
        return new IvySftpModule(this, server, backingRepository.module(organisation, module, revision))
    }

interface IvyRepository extends Repository {
    String getArtifactPattern()

    String getIvyPattern()

    @Override
    IvyModule module(String organisation, String module)

    @Override
    IvyModule module(String organisation, String module, String revision)

    }

    URI getUri() {
        new URI("sftp://${server.hostAddress}:${server.port}${contextPath}")
    }

    MavenSftpModule module(String organisation, String module, String revision = "1.0") {
        new MavenSftpModule(server, backingRepository.module(organisation, module, revision))
    }

        return module(groupId, artifactId).rootMetaData
    }

    @Override
    HttpDirectoryResource directoryList(String organisation, String module) {
        return directory(organisation, module)
    }

    HttpDirectoryResource directory(String groupId, String artifactId) {
        def path = "${groupId.replace('.', '/')}/$artifactId/"

    String organisation
    String module
    String revision
    String status
    Node description
    String branch
    String resolver
    NodeList licenses
    NodeList authors
    Map<QName, String> extraInfo

    IvyDescriptor(File ivyFile) {
        def ivy = new XmlParser().parse(ivyFile)
        organisation = ivy.info[0].@organisation
        module = ivy.info[0].@module