public File getAsFile(Artifact artifactId) {
    File overrideFile = findOverrideFile(artifactId);
    if (overrideFile != null && overrideFile.exists()) return overrideFile;

    Result<File> localFileName = dependencyManager.getLocalFile(artifactId);
    if (localFileName.success()) return localFileName.val;

    return null;
  }
  public void getJar(Artifact artifactId) {
    OutputBouble bouble = OutputBouble.push();
    // Fetch jar and dependencies.
    try {
      Result<File> localFileName = dependencyManager.getLocalFile(artifactId);
      List<Artifact> dependencies = dependencyManager.getDirectDependencies(artifactId);

      int i = 0;
      for (Artifact dependencyId : dependencies) {
        if (!loaderMap.containsKey(toString(dependencyId))) {
          getJar(dependencyId);
        }
      }
    } catch (Exception e) {
      OutputBouble.reportError(e);
    } finally {
      bouble.pop();
      if (bouble.isError) bouble.writeToParent();
    }
  }
  public DependentLoaderImplementation enshureJarLoaded(Artifact _artifactId) {
    Artifact artifactId = unify(_artifactId);

    if ("dependent".equals(artifactId.getArtifactId())
        && "no.dbwatch".equals(artifactId.getGroupId())) {
      return null;
    }
    DependentLoaderImplementation theLoader = findOverride(artifactId);
    if (theLoader != null) {
      visitLoader(theLoader);
      return theLoader;
    }
    if (loaderMap.containsKey(toString(artifactId))) return loaderMap.get(toString(artifactId));
    // Fetch jar and dependencies.
    OutputBouble bouble = OutputBouble.push();

    try {
      Result<File> localFileName = dependencyManager.getLocalFile(artifactId);

      if (localFileName.success())
        theLoader =
            new DependentLoaderImplementation(
                artifactId,
                localFileName.val.getAbsoluteFile().toURI().toURL(),
                exposed,
                parentLoader);
      else theLoader = new DependentLoaderImplementation(artifactId, exposed, parentLoader);
      setLoader(theLoader);

      List<Artifact> dependencies = dependencyManager.getDirectDependencies(artifactId);

      DependentLoaderImplementation[] actualDependencies =
          new DependentLoaderImplementation[dependencies.size() + theLoader.dependencies.length];
      int i = 0;
      for (DependentLoaderImplementation dependencyFromConf : theLoader.dependencies) {
        actualDependencies[i++] = dependencyFromConf;
      }
      for (Artifact dependencyId : dependencies) {

        DependentLoaderImplementation loader = enshureDependencyJarLoaded(artifactId, dependencyId);
        if (loader == null) {
          OutputBouble.logFile.println(artifactId.toString() + ":");
          OutputBouble.logFile.println("\t Missing dependency " + dependencyId.toString());
          OutputBouble.logFile.println("\t Ignoring");
        } else {
          actualDependencies[i++] = loader;
        }
      }
      if (actualDependencies.length > i) {
        actualDependencies = Arrays.copyOf(actualDependencies, i);
      }

      theLoader.setDependencies(actualDependencies);

      extraDependencies.loaderAdded(theLoader);

      visitLoader(theLoader);
      return theLoader;
    } catch (Exception e) {
      OutputBouble.reportError(e);
      return theLoader;
    } finally {
      bouble.pop();
      if (bouble.isError) bouble.writeToParent();
    }
    // return null;
  }