* See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gradlebuild.basics.classanalysis


class ClassGraph(
    private val keepPackages: PackagePatterns,
    private val unshadedPackages: PackagePatterns,
    private val ignorePackages: PackagePatterns,
    shadowPackage: String
) {

    private

        val classGraph = JarAnalyzer("", keepClasses, keepClasses, setOf()).analyze(artifact, classesDir, manifestFile, buildReceiptFile)

        createJar(classGraph, classesDir, manifestFile, jarFile)

        return jarFile
    }

    private
    fun createJar(classGraph: ClassGraph, classesDir: File, manifestFile: File, jarFile: File) {
        try {

        val classGraph = classGraph()

        val jarUri = URI.create("jar:${jarFile.toPath().toUri()}")
        FileSystems.newFileSystem(jarUri, emptyMap<String, Any>()).use { jarFileSystem ->
            jarFileSystem.rootDirectories.forEach {
                visitClassDirectory(it, classGraph, classesDir, manifestFile.toPath(), buildReceipt.toPath())
            }