private void appendChosenAnnotationsRoot(
     @NotNull final OrderEntry entry, @NotNull final VirtualFile vFile) {
   if (entry instanceof LibraryOrderEntry) {
     Library library = ((LibraryOrderEntry) entry).getLibrary();
     LOG.assertTrue(library != null);
     final ModifiableRootModel rootModel =
         ModuleRootManager.getInstance(entry.getOwnerModule()).getModifiableModel();
     final Library.ModifiableModel model = library.getModifiableModel();
     model.addRoot(vFile, AnnotationOrderRootType.getInstance());
     model.commit();
     rootModel.commit();
   } else if (entry instanceof ModuleSourceOrderEntry) {
     final ModifiableRootModel model =
         ModuleRootManager.getInstance(entry.getOwnerModule()).getModifiableModel();
     final JavaModuleExternalPaths extension =
         model.getModuleExtension(JavaModuleExternalPaths.class);
     extension.setExternalAnnotationUrls(
         ArrayUtil.mergeArrays(extension.getExternalAnnotationsUrls(), vFile.getUrl()));
     model.commit();
   } else if (entry instanceof JdkOrderEntry) {
     final SdkModificator sdkModificator = ((JdkOrderEntry) entry).getJdk().getSdkModificator();
     sdkModificator.addRoot(vFile, AnnotationOrderRootType.getInstance());
     sdkModificator.commitChanges();
   }
   myExternalAnnotations.clear();
 }
  private boolean askAndRemoveDuplicatedLibraryEntry(
      @NotNull ModifiableRootModel rootModel, @NotNull CustomLibraryDescription description) {
    List<OrderEntry> existingEntries = new ArrayList<OrderEntry>();
    final LibrariesContainer container = myModel.getLibrariesContainer();
    for (OrderEntry entry : rootModel.getOrderEntries()) {
      if (!(entry instanceof LibraryOrderEntry)) continue;
      final Library library = ((LibraryOrderEntry) entry).getLibrary();
      if (library == null) continue;

      if (LibraryPresentationManager.getInstance()
          .isLibraryOfKind(library, container, description.getSuitableLibraryKinds())) {
        existingEntries.add(entry);
      }
    }

    if (!existingEntries.isEmpty()) {
      String message;
      if (existingEntries.size() > 1) {
        message =
            "There are already "
                + existingEntries.size()
                + " "
                + myFrameworkType.getPresentableName()
                + " libraries.\n Do you want to replace they?";
      } else {
        final String name = existingEntries.get(0).getPresentableName();
        message =
            "There is already a "
                + myFrameworkType.getPresentableName()
                + " library '"
                + name
                + "'.\n Do you want to replace it?";
      }
      final int result =
          Messages.showYesNoCancelDialog(
              rootModel.getProject(),
              message,
              "Library Already Exists",
              "&Replace",
              "&Add",
              "&Cancel",
              null);
      if (result == 0) {
        for (OrderEntry entry : existingEntries) {
          rootModel.removeOrderEntry(entry);
        }
      } else if (result != 1) {
        return false;
      }
    }

    return true;
  }
 @NotNull
 private static Set<String> resolveModuleDeps(
     @NotNull ModifiableRootModel rootModel,
     @NotNull ImportedOtpApp importedOtpApp,
     @Nullable Sdk projectSdk,
     @NotNull Set<String> allImportedAppNames) {
   HashSet<String> unresolvedAppNames = ContainerUtil.newHashSet();
   for (String depAppName : importedOtpApp.getDeps()) {
     if (allImportedAppNames.contains(depAppName)) {
       rootModel.addInvalidModuleEntry(depAppName);
     } else if (projectSdk != null && isSdkOtpApp(depAppName, projectSdk)) {
       // SDK is already a dependency
     } else {
       rootModel.addInvalidModuleEntry(depAppName);
       unresolvedAppNames.add(depAppName);
     }
   }
   return unresolvedAppNames;
 }
  @Override
  public List<Module> commit(
      @NotNull Project project,
      @Nullable ModifiableModuleModel moduleModel,
      @NotNull ModulesProvider modulesProvider,
      @Nullable ModifiableArtifactModel modifiableArtifactModel) {
    Set<String> selectedAppNames = ContainerUtil.newHashSet();
    for (ImportedOtpApp importedOtpApp : mySelectedOtpApps) {
      selectedAppNames.add(importedOtpApp.getName());
    }
    Sdk projectSdk = fixProjectSdk(project);
    List<Module> createdModules = new ArrayList<Module>();
    final List<ModifiableRootModel> createdRootModels = new ArrayList<ModifiableRootModel>();
    final ModifiableModuleModel obtainedModuleModel =
        moduleModel != null ? moduleModel : ModuleManager.getInstance(project).getModifiableModel();
    for (ImportedOtpApp importedOtpApp : mySelectedOtpApps) {
      VirtualFile ideaModuleDir = importedOtpApp.getRoot();
      String ideaModuleFile =
          ideaModuleDir.getCanonicalPath() + File.separator + importedOtpApp.getName() + ".iml";
      Module module =
          obtainedModuleModel.newModule(ideaModuleFile, ErlangModuleType.getInstance().getId());
      createdModules.add(module);
      importedOtpApp.setModule(module);
      if (importedOtpApp.getIdeaModuleFile() == null) {
        ModifiableRootModel rootModel = ModuleRootManager.getInstance(module).getModifiableModel();
        // Make it inherit SDK from the project.
        rootModel.inheritSdk();
        // Initialize source and test paths.
        ContentEntry content = rootModel.addContentEntry(importedOtpApp.getRoot());
        addSourceDirToContent(content, ideaModuleDir, "src", false);
        addSourceDirToContent(content, ideaModuleDir, "test", true);
        addIncludeDirectories(content, importedOtpApp);
        // Exclude standard folders
        excludeDirFromContent(content, ideaModuleDir, "doc");
        // Initialize output paths according to Rebar conventions.
        CompilerModuleExtension compilerModuleExt =
            rootModel.getModuleExtension(CompilerModuleExtension.class);
        compilerModuleExt.inheritCompilerOutputPath(false);
        compilerModuleExt.setCompilerOutputPath(ideaModuleDir + File.separator + "ebin");
        compilerModuleExt.setCompilerOutputPathForTests(ideaModuleDir + File.separator + ".eunit");
        createdRootModels.add(rootModel);
        // Set inter-module dependencies
        resolveModuleDeps(rootModel, importedOtpApp, projectSdk, selectedAppNames);
      }
    }
    // Commit project structure.
    LOG.info("Commit project structure");
    ApplicationManager.getApplication()
        .runWriteAction(
            new Runnable() {
              public void run() {
                for (ModifiableRootModel rootModel : createdRootModels) {
                  rootModel.commit();
                }
                obtainedModuleModel.commit();
              }
            });

    addErlangFacets(mySelectedOtpApps);
    RebarSettings.getInstance(project).setRebarPath(myRebarPath);
    if (myIsImportingProject) {
      ErlangCompilerSettings.getInstance(project).setUseRebarCompilerEnabled(true);
    }
    CompilerWorkspaceConfiguration.getInstance(project).CLEAR_OUTPUT_DIRECTORY = false;

    return createdModules;
  }