public SortedMap display()

in java/com/google/gerrit/server/restapi/project/ListProjects.java [419:555]
117 lines of code
41 McCabe index (conditional complexity)

  public SortedMap<String, ProjectInfo> display(@Nullable PrintWriter stdout)
      throws BadRequestException, PermissionBackendException {
    if (all && state != null) {
      throw new BadRequestException("'all' and 'state' may not be used together");
    }
    if (groupUuid != null) {
      try {
        if (!groupControlFactory.controlFor(groupUuid).isVisible()) {
          return Collections.emptySortedMap();
        }
      } catch (NoSuchGroupException ex) {
        return Collections.emptySortedMap();
      }
    }

    int foundIndex = 0;
    int found = 0;
    TreeMap<String, ProjectInfo> output = new TreeMap<>();
    Map<String, String> hiddenNames = new HashMap<>();
    Map<Project.NameKey, Boolean> accessibleParents = new HashMap<>();
    PermissionBackend.WithUser perm = permissionBackend.user(currentUser);
    final TreeMap<Project.NameKey, ProjectNode> treeMap = new TreeMap<>();
    try {
      Iterator<ProjectState> projectStatesIt = filter(perm).iterator();
      while (projectStatesIt.hasNext()) {
        ProjectState e = projectStatesIt.next();
        Project.NameKey projectName = e.getNameKey();
        if (e.getProject().getState() == HIDDEN && !all && state != HIDDEN) {
          // If we can't get it from the cache, pretend it's not present.
          // If all wasn't selected, and it's HIDDEN, pretend it's not present.
          // If state HIDDEN wasn't selected, and it's HIDDEN, pretend it's not present.
          continue;
        }

        if (state != null && e.getProject().getState() != state) {
          continue;
        }

        if (groupUuid != null
            && !e.getLocalGroups()
                .contains(GroupReference.forGroup(groupResolver.parseId(groupUuid.get())))) {
          continue;
        }

        if (showTree && !format.isJson()) {
          treeMap.put(projectName, projectNodeFactory.create(e.getProject(), true));
          continue;
        }

        if (foundIndex++ < start) {
          continue;
        }
        if (limit > 0 && ++found > limit) {
          break;
        }

        ProjectInfo info = new ProjectInfo();
        info.name = projectName.get();
        if (showTree && format.isJson()) {
          addParentProjectInfo(hiddenNames, accessibleParents, perm, e, info);
        }

        if (showDescription) {
          info.description = emptyToNull(e.getProject().getDescription());
        }
        info.state = e.getProject().getState();

        try {
          if (!showBranch.isEmpty()) {
            try (Repository git = repoManager.openRepository(projectName)) {
              if (!type.matches(git)) {
                continue;
              }

              List<Ref> refs = retrieveBranchRefs(e, git);
              if (!hasValidRef(refs)) {
                continue;
              }

              addProjectBranchesInfo(info, refs);
            }
          } else if (!showTree && type.useMatch()) {
            try (Repository git = repoManager.openRepository(projectName)) {
              if (!type.matches(git)) {
                continue;
              }
            }
          }
        } catch (RepositoryNotFoundException err) {
          // If the Git repository is gone, the project doesn't actually exist anymore.
          continue;
        } catch (IOException err) {
          logger.atWarning().withCause(err).log("Unexpected error reading %s", projectName);
          continue;
        }

        ImmutableList<WebLinkInfo> links = webLinks.getProjectLinks(projectName.get());
        info.webLinks = links.isEmpty() ? null : links;

        if (stdout == null || format.isJson()) {
          output.put(info.name, info);
          continue;
        }

        if (!showBranch.isEmpty()) {
          printProjectBranches(stdout, info);
        }
        stdout.print(info.name);

        if (info.description != null) {
          // We still want to list every project as one-liners, hence escaping \n.
          stdout.print(" - " + StringUtil.escapeString(info.description));
        }
        stdout.print('\n');
      }

      for (ProjectInfo info : output.values()) {
        info.id = Url.encode(info.name);
        info.name = null;
      }
      if (stdout == null) {
        return output;
      } else if (format.isJson()) {
        format
            .newGson()
            .toJson(output, new TypeToken<Map<String, ProjectInfo>>() {}.getType(), stdout);
        stdout.print('\n');
      } else if (showTree && treeMap.size() > 0) {
        printProjectTree(stdout, treeMap);
      }
      return null;
    } finally {
      if (stdout != null) {
        stdout.flush();
      }
    }
  }