public SProject findSingleItem()

in rest-api/src/jetbrains/buildServer/server/rest/data/finder/impl/ProjectFinder.java [140:227]
77 lines of code
18 McCabe index (conditional complexity)

  public SProject findSingleItem(@NotNull final Locator locator) {
    if (locator.isSingleValue()) {
      // no dimensions found, assume it's a name or internal id or external id
      SProject project = null;
      @SuppressWarnings("ConstantConditions") @NotNull final String singleValue = locator.getSingleValue();
      project = myProjectManager.findProjectByExternalId(singleValue);
      if (project != null) {
        return project;
      }
      final List<SProject> projectsByName = findProjectsByName(null, singleValue, true);
      if (projectsByName.size() == 1) {
        return projectsByName.get(0);
      }
      project = myProjectManager.findProjectById(singleValue);
      if (project != null) {
        return project;
      }
      throw new NotFoundException("No project found by name or internal/external id '" + singleValue + "'.");
    }

    String id = locator.getSingleDimensionValue(DIMENSION_ID);
    if (id != null) {
      SProject project = myProjectManager.findProjectByExternalId(id);
      if (project == null) {
        if (TeamCityProperties.getBoolean(APIController.REST_COMPATIBILITY_ALLOW_EXTERNAL_ID_AS_INTERNAL)) {
          project = myProjectManager.findProjectById(id);
          if (project == null) {
            throw new NotFoundException("No project found by locator '" + locator.getStringRepresentation() +
                                        "' in compatibility mode. Project cannot be found by external or internal id '" + id + "'.");
          }
        } else {
          throw new NotFoundException("No project found by locator '" + locator.getStringRepresentation() + "'. Project cannot be found by external id '" + id + "'.");
        }
      }
      locator.setDimensionIfNotPresent(DIMENSION_VIRTUAL, Locator.BOOLEAN_ANY);
      return project;
    }

    String internalId = locator.getSingleDimensionValue(DIMENSION_INTERNAL_ID);
    if (internalId != null) {
      SProject project = myProjectManager.findProjectById(internalId);
      if (project == null) {
        throw new NotFoundException("No project found by locator '" + locator.getStringRepresentation() + "'. Project cannot be found by internal id '" + internalId + "'.");
      }
      locator.setDimensionIfNotPresent(DIMENSION_VIRTUAL, Locator.BOOLEAN_ANY);
      return project;
    }

    String uuid = locator.getSingleDimensionValue(DIMENSION_UUID);
    if (!StringUtil.isEmpty(uuid)) {

      SProject project = myProjectManager.findProjectByConfigId(uuid);
      if (project == null) {
        //protecting against brute force uuid guessing
        try {
          Thread.sleep(1000);
        } catch (InterruptedException e) {
          //ignore
        }
        throw new NotFoundException("No project found by locator '" + locator.getStringRepresentation() + "'. Project cannot be found by uuid '" + uuid + "'.");
      }
      locator.setDimensionIfNotPresent(DIMENSION_VIRTUAL, Locator.BOOLEAN_ANY);
      return project;
    }

    String buildLocator = locator.getSingleDimensionValue(BUILD);
    if (!StringUtil.isEmpty(buildLocator)) {
      BuildPromotion build = myServiceLocator.getSingletonService(BuildPromotionFinder.class).getItem(buildLocator);
      SBuildType buildType = build.getBuildType();
      if (buildType != null) {
        return buildType.getProject();
      }
    }

    String buildTypeLocator = locator.getSingleDimensionValue(BUILD_TYPE);
    if (!StringUtil.isEmpty(buildTypeLocator)) {
      BuildTypeOrTemplate buildType = myServiceLocator.getSingletonService(BuildTypeFinder.class).getItem(buildTypeLocator);
      return buildType.getProject();
    }

    String vcsRootLocator = locator.getSingleDimensionValue(VCS_ROOT);
    if (!StringUtil.isEmpty(vcsRootLocator)) {
      SVcsRoot vcsRoot = myServiceLocator.getSingletonService(VcsRootFinder.class).getItem(vcsRootLocator);
      return vcsRoot.getProject();
    }

    return null;
  }