public Response apply()

in src/main/java/com/googlesource/gerrit/plugins/replication/pull/api/ApplyObjectAction.java [50:91]
37 lines of code
15 McCabe index (conditional complexity)

  public Response<?> apply(ProjectResource resource, RevisionInput input) throws RestApiException {

    if (!preConditions.canCallFetchApi()) {
      throw new AuthException("not allowed to call fetch command");
    }
    try {
      if (Strings.isNullOrEmpty(input.getLabel())) {
        throw new BadRequestException("Source label cannot be null or empty");
      }
      if (Strings.isNullOrEmpty(input.getRefName())) {
        throw new BadRequestException("Ref-update refname cannot be null or empty");
      }

      if (Objects.isNull(input.getRevisionData())) {
        deleteRefCommand.deleteRef(resource.getNameKey(), input.getRefName(), input.getLabel());
        return Response.created(input);
      }

      if (Objects.isNull(input.getRevisionData().getCommitObject())
          || Objects.isNull(input.getRevisionData().getCommitObject().getContent())
          || input.getRevisionData().getCommitObject().getContent().length == 0
          || Objects.isNull(input.getRevisionData().getCommitObject().getType())) {
        throw new BadRequestException("Ref-update commit object cannot be null or empty");
      }

      if (Objects.isNull(input.getRevisionData().getTreeObject())
          || Objects.isNull(input.getRevisionData().getTreeObject().getContent())
          || Objects.isNull(input.getRevisionData().getTreeObject().getType())) {
        throw new BadRequestException("Ref-update tree object cannot be null");
      }

      command.applyObject(
          resource.getNameKey(), input.getRefName(), input.getRevisionData(), input.getLabel());
      return Response.created(input);
    } catch (MissingParentObjectException e) {
      throw new ResourceConflictException(e.getMessage(), e);
    } catch (NumberFormatException | IOException e) {
      throw RestApiException.wrap(e.getMessage(), e);
    } catch (RefUpdateException e) {
      throw new UnprocessableEntityException(e.getMessage());
    }
  }