* </p>
     *
     * @param jarFile
     *            Jarファイル。{@literal null}であってはいけません
     * @param handler
     *            クラスを処理するハンドラ。{@literal null}であってはいけません
     */
    public static void forEach(final JarFile jarFile, final ClassHandler handler) {
        assertArgumentNotNull("jarFile", jarFile);
        assertArgumentNotNull("handler", handler);

         * @param rootDir
         *            ルートディレクトリ
         */
        public JarFileTraverser(final JarFile jarFile, final String rootPackage, final String rootDir) {
            this.jarFile = jarFile;
            this.rootPackage = rootPackage;
            this.rootDir = rootDir;
        }

        /**
         * インスタンスを構築します。
         *
         * @param url
         *            Jarファイルを表すURL

                if (form.jarFile == null) {
                    throwValidationError(messages -> messages.addErrorsPluginFileIsNotFound(GLOBAL, form.id), this::asListHtml);
                }
                if (!form.jarFile.getFileName().endsWith(".jar")) {
                    throwValidationError(messages -> messages.addErrorsFileIsNotSupported(GLOBAL, form.jarFile.getFileName()),
                            this::asListHtml);

        throws IOException {
      JarFile jarFile;
      try {
        jarFile = new JarFile(file);
      } catch (IOException e) {
        // Not a jar file
        return;
      }
      try {
        for (File path : getClassPathFromManifest(file, jarFile.getManifest())) {
          // We only scan each file once independent of the classloader that file might be

    private val unshadedPackages: Set<String>,
    private val ignorePackages: Set<String>
) {

    fun analyze(jarFile: File, classesDir: File, manifestFile: File, buildReceipt: File): ClassGraph {
        val classGraph = classGraph()

        val jarUri = URI.create("jar:${jarFile.toPath().toUri()}")
        FileSystems.newFileSystem(jarUri, emptyMap<String, Any>()).use { jarFileSystem ->

     *
     * @param conn
     *            {@link JarURLConnection}。{@literal null}であってはいけません
     * @return {@link JarFile}
     */
    public static JarFile getJarFile(final JarURLConnection conn) {
        assertArgumentNotNull("conn", conn);

        try {
            return conn.getJarFile();
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }

                                            <label for="jarFile" class="col-md-3 text-sm-right col-form-label"><la:message
                                                    key="labels.plugin_jar_file"/></label>
                                            <div class="col-md-9 text-sm-right col-form-label">
                                                <input id="jarFile" type="file" name="jarFile" class="form-control-file"/>

                    final JarURLConnection jarURLConnection = (JarURLConnection) resource.openConnection();
                    try (JarFile jarFile = jarURLConnection.getJarFile()) {
                        final Enumeration<JarEntry> entries = jarFile.entries();
                        while (entries.hasMoreElements()) {
                            final JarEntry entry = entries.nextElement();

import org.lastaflute.web.validation.Required;

import jakarta.validation.constraints.Size;

public class InstallForm {

    @Required
    @Size(max = 400)
    public String id;

    public MultipartFormFile jarFile;

        final Set<String> nameSet = new HashSet<>();
        final File[] jarFiles = ResourceUtil.getPluginJarFiles(PluginHelper.ArtifactType.DATA_STORE.getId());
        for (final File jarFile : jarFiles) {
            try (FileSystem fs = FileSystems.newFileSystem(jarFile.toPath(), ClassLoader.getSystemClassLoader())) {
                final Path xmlPath = fs.getPath("fess_ds++.xml");
                try (InputStream is = Files.newInputStream(xmlPath)) {