Path projectDir = tempDir.resolve("project");
            Files.createDirectories(projectDir);

            Path mvnDir = projectDir.resolve(".mvn");
            Files.createDirectories(mvnDir);
            Path existingFile = mvnDir.resolve("existing.txt");
            Files.writeString(existingFile, "existing content");

            UpgradeContext context = createMockContext(projectDir);

	}
	if err != nil {
		return ListObjectsV2Info{}, err
	}

	files, err := zipindex.DeserializeFiles(zipInfo)
	if err != nil {
		return ListObjectsV2Info{}, err
	}

	sort.Slice(files, func(i, j int) bool {
		return files[i].Name < files[j].Name
	})

	var (
		count           int
		isTruncated     bool
		nextToken       string

        private String getPackageName(File file) throws IOException {
            try (Stream<String> lines = Files.lines(file.toPath())) {
                String packageLine = lines.filter(line -> line.startsWith("package"))
                    .findFirst()
                    .orElseThrow(() -> new IOException("Can't find package definition in file " + file));
                Matcher matcher = pattern.matcher(packageLine);

      (d) If the Work includes a "NOTICE" text file as part of its
          distribution, then any Derivative Works that You distribute must
          include a readable copy of the attribution notices contained
          within such NOTICE file, excluding those notices that do not
          pertain to any part of the Derivative Works, in at least one
          of the following places: within a NOTICE text file distributed

        this.data = data.clone();
        this.file = null;
    }

    /**
     * Constructs a ContentCache with the given file.
     *
     * @param file the file containing the content
     * @throws IllegalArgumentException if file is null
     */
    public ContentCache(final File file) {
        if (file == null) {
            throw new IllegalArgumentException("file must not be null");
        }

        this.metadata = metadata;
    }

    @Override
    public void merge(File current, File result) throws RepositoryException {
        try {
            if (current.exists()) {
                Files.createDirectories(result.toPath().getParent());
                Files.copy(current.toPath(), result.toPath());
            }
            ArtifactRepository localRepo = new MetadataRepository(result);

		<fileSet>
			<directory>src/main/assemblies/files</directory>
			<outputDirectory>fess-${project.version}/es/data</outputDirectory>
			<excludes>
				<exclude>*</exclude>
			</excludes>
			<filtered>false</filtered>
		</fileSet>
	</fileSets>
	<files>
		<file>
			<source>README.md</source>
			<outputDirectory>fess-${project.version}</outputDirectory>
		</file>
		<file>
			<source>LICENSE</source>

		if err != nil {
			return
		}

		type file struct {
			header  *FileHeader
			content []byte
		}
		files := []file{}

		for _, f := range r.File {
			fr, err := f.Open()
			if err != nil {
				continue
			}
			content, err := io.ReadAll(fr)
			if err != nil {
				continue
			}
			files = append(files, file{header: &f.FileHeader, content: content})

    }

    /**
     * @throws Exception
     */
    public void testToFile() throws Exception {
        final File file = new File("Program Files/hoge.txt");
        final URL url = file.toURI().toURL();
        assertEquals(file.getAbsoluteFile(), URLUtil.toFile(url));
        assertEquals(file.getAbsoluteFile(), URLUtil.toFile(new URL("file:Program%20Files/hoge.txt")));
    }

        tempDir = Files.createTempDirectory("theme-test");
        Files.createDirectories(Paths.get("target", "fess", "WEB-INF", "view"));
        Files.createDirectories(Paths.get("target", "fess", "WEB-INF", "plugin"));
        Files.createDirectories(Paths.get("target", "fess", "images"));
        Files.createDirectories(Paths.get("target", "fess", "css"));
        Files.createDirectories(Paths.get("target", "fess", "js"));