/**
   * Constructor
   *
   * @throws IOException
   */
  public JustAnotherPackageManager(Reporter reporter, Platform platform, File homeDir, File binDir)
      throws IOException {
    this.platform = platform;
    this.reporter = reporter;
    this.homeDir = homeDir;
    if (!homeDir.exists() && !homeDir.mkdirs())
      throw new IllegalArgumentException("Could not create directory " + homeDir);

    repoDir = IO.getFile(homeDir, "repo");
    if (!repoDir.exists() && !repoDir.mkdirs())
      throw new IllegalArgumentException("Could not create directory " + repoDir);

    commandDir = new File(homeDir, COMMANDS);
    serviceDir = new File(homeDir, SERVICE);
    commandDir.mkdir();
    serviceDir.mkdir();
    service = new File(repoDir, SERVICE_JAR_FILE);
    if (!service.isFile()) init();

    this.binDir = binDir;
    if (!binDir.exists() && !binDir.mkdirs())
      throw new IllegalArgumentException("Could not create bin directory " + binDir);
  }
  /**
   * @param data
   * @param target
   * @throws Exception
   * @throws IOException
   */
  public String createService(ServiceData data) throws Exception, IOException {

    File sdir = new File(serviceDir, data.name);
    if (!sdir.exists() && !sdir.mkdirs()) {
      throw new IOException("Could not create directory " + data.sdir);
    }
    data.sdir = sdir.getAbsolutePath();

    File lock = new File(data.sdir, LOCK);
    data.lock = lock.getAbsolutePath();

    if (data.work == null) data.work = new File(data.sdir, "work").getAbsolutePath();
    if (data.user == null) data.user = platform.user();

    if (data.user == null) data.user = "******";

    new File(data.work).mkdir();

    if (data.log == null) data.log = new File(data.sdir, "log").getAbsolutePath();

    // TODO
    // if (Data.validate(data) != null)
    // return "Invalid service data: " + Data.validate(data);

    if (service == null)
      throw new RuntimeException(
          "Missing biz.aQute.jpm.service in repo, should have been installed by init, try reiniting");

    data.serviceLib = service.getAbsolutePath();

    platform.chown(data.user, true, new File(data.sdir));

    String s = platform.createService(data, null, false);
    if (s == null) storeData(new File(data.sdir, "data"), data);
    return s;
  }