src/main/java/com/google/devtools/build/lib/packages/PackageUtils.java

// Copyright 2020 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.devtools.build.lib.packages;

import com.google.devtools.build.lib.cmdline.Label;
import java.util.List;
import net.starlark.java.eval.EvalException;

/** Miscellaneous utils internal to Packages. */
final class PackageUtils {

  private PackageUtils() {}

  static RuleVisibility getVisibility(List<Label> original) throws EvalException {
    RuleVisibility result;

    result = ConstantRuleVisibility.tryParse(original);
    if (result != null) {
      return result;
    }

    result = PackageGroupsRuleVisibility.tryParse(original);
    return result;
  }
}