public record CelVariableElement()

in sources/src/main/java/com/google/solutions/jitaccess/catalog/policy/PolicyDocument.java [842:918]
73 lines of code
12 McCabe index (conditional complexity)

  public record CelVariableElement(
    @JsonProperty("type") String type,
    @JsonProperty("name") String name,
    @JsonProperty("displayName") String displayName,
    @JsonProperty("min") Integer min,
    @JsonProperty("max") Integer max
  ) {
    static CelVariableElement toYaml(@NotNull CelConstraint.Variable variable) {
      if (variable instanceof CelConstraint.StringVariable stringVariable) {
        return new CelVariableElement(
          "string",
          stringVariable.name(),
          stringVariable.displayName(),
          stringVariable.minLength(),
          stringVariable.maxLength());
      }
      else if (variable instanceof CelConstraint.LongVariable longVariable) {
        return new CelVariableElement(
          "int",
          longVariable.name(),
          longVariable.displayName(),
          (int)(long)longVariable.minInclusive(),
          (int)(long)longVariable.maxInclusive());
      }
      else if (variable instanceof CelConstraint.BooleanVariable booleanVariable) {
        return new CelVariableElement(
          "boolean",
          booleanVariable.name(),
          booleanVariable.displayName(),
          null,
          null);
      }
      else {
        throw new UnsupportedOperationException("The variable type is not supported");
      }
    }

    @NotNull Optional<CelConstraint.Variable> toPolicy(@NotNull IssueCollection issues) {
      try {
        return Optional
          .ofNullable(switch (Strings.nullToEmpty(this.type).trim().toLowerCase()) {
            case "string" -> new CelConstraint.StringVariable(
              this.name,
              this.displayName,
              this.min != null ? this.min : 0,
              this.max != null ? this.max : 256);

            case "int", "integer" -> new CelConstraint.LongVariable(
              this.name,
              this.displayName,
              this.min != null ? (long) this.min : 0,
              this.max != null ? (long) this.max : Integer.MAX_VALUE);

            case "bool", "boolean" -> new CelConstraint.BooleanVariable(
              this.name,
              this.displayName);

            default -> {
              issues.error(
                Issue.Code.CONSTRAINT_INVALID_VARIABLE_DECLARATION,
                "The variable declaration '%s' uses an unknown type: %s",
                this.name,
                this.type);
              yield null;
            }
          });
      }
      catch (Exception e) {
        issues.error(
          Issue.Code.CONSTRAINT_INVALID_VARIABLE_DECLARATION,
          "The variable declaration '%s' is invalid: %s",
          this.name,
          e.getMessage());
        return Optional.empty();
      }
    }
  }