// Copyright 2025 Google LLC
//
// 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 purl extracts the PURL from a CDX package.
package purl

import (
	cdxmeta "github.com/google/osv-scalibr/extractor/filesystem/sbom/cdx/metadata"
	"github.com/google/osv-scalibr/purl"
)

// MakePackageURL returns the package URL from a CDX package.
func MakePackageURL(metadata any) *purl.PackageURL {
	if m, ok := metadata.(*cdxmeta.Metadata); ok {
		return m.PURL
	}
	return nil
}
