private List validCommit()

in src/main/java/com/googlesource/gerrit/plugins/its/base/validation/ItsValidateComment.java [55:142]
82 lines of code
12 McCabe index (conditional complexity)

  private List<CommitValidationMessage> validCommit(Project.NameKey project, RevCommit commit)
      throws CommitValidationException {
    List<CommitValidationMessage> ret = Lists.newArrayList();
    ItsAssociationPolicy associationPolicy = itsConfig.getItsAssociationPolicy();

    switch (associationPolicy) {
      case MANDATORY:
      case SUGGESTED:
        String commitMessage = commit.getFullMessage();
        String[] issueIds = issueExtractor.getIssueIds(commitMessage);
        String synopsis = null;
        String details = null;
        if (issueIds.length > 0) {
          List<String> nonExistingIssueIds = Lists.newArrayList();
          client = itsFacadeFactory.getFacade(project);
          for (String issueId : issueIds) {
            ItsExistenceCheckResult existenceCheckResult;
            try {
              existenceCheckResult =
                  client.exists(issueId)
                      ? ItsExistenceCheckResult.EXISTS
                      : ItsExistenceCheckResult.DOESNT_EXIST;
            } catch (IOException e) {
              synopsis =
                  "Failed to check whether or not issue "
                      + issueId
                      + " exists, due to connectivity issue. Commit will be accepted.";
              logger.atWarning().withCause(e).log(synopsis);
              details = e.toString();
              existenceCheckResult = ItsExistenceCheckResult.CONNECTIVITY_FAILURE;
              ret.add(commitValidationFailure(synopsis, details, existenceCheckResult));
            }
            if (existenceCheckResult == ItsExistenceCheckResult.DOESNT_EXIST) {
              nonExistingIssueIds.add(issueId);
            }
          }

          if (!nonExistingIssueIds.isEmpty()) {
            synopsis = "Non-existing issue ids referenced in commit message";

            StringBuilder sb = new StringBuilder();
            sb.append("The issue-ids\n");
            for (String issueId : nonExistingIssueIds) {
              sb.append("    * ");
              sb.append(issueId);
              sb.append("\n");
            }
            sb.append("are referenced in the commit message of\n");
            sb.append(commit.getId().getName());
            sb.append(",\n");
            sb.append("but do not exist in ");
            sb.append(pluginName);
            sb.append(" Issue-Tracker");
            details = sb.toString();

            ret.add(
                commitValidationFailure(synopsis, details, ItsExistenceCheckResult.DOESNT_EXIST));
          }
        } else if (!itsConfig
            .getDummyIssuePattern()
            .map(p -> p.matcher(commitMessage).find())
            .orElse(false)) {
          synopsis = "Missing issue-id in commit message";

          StringBuilder sb = new StringBuilder();
          sb.append("Commit ");
          sb.append(commit.getId().getName());
          sb.append(" not associated to any issue\n");
          sb.append("\n");
          sb.append("Hint: insert one or more issue-id anywhere in the ");
          sb.append("commit message.\n");
          sb.append("      Issue-ids are strings matching ");
          sb.append(itsConfig.getIssuePattern().pattern());
          sb.append("\n");
          sb.append("      and are pointing to existing tickets on ");
          sb.append(pluginName);
          sb.append(" Issue-Tracker");
          details = sb.toString();

          ret.add(commitValidationFailure(synopsis, details, ItsExistenceCheckResult.DOESNT_EXIST));
        }
        break;
      case OPTIONAL:
      default:
        break;
    }
    return ret;
  }