try ( SmbFile f = createTestDirectory() ) {
            try {
                SmbFile[] files = f.listFiles(new DosFileFilter("*.txt", 0));
                assertNotNull(files);
                assertEquals(0, files.length);

                files = f.listFiles();
                assertNotNull(files);
                assertEquals(0, files.length);
            }
            finally {
                f.delete();
            }

    // GET /api/admin/log/files
    @Execute
    public JsonResponse<ApiResult> files() {
        final List<Map<String, Object>> list = getLogFileItems();
        return asJson(new ApiResult.ApiLogFilesResponse().files(list).total(list.size()).status(ApiResult.Status.OK).result());
    }

    // GET /api/admin/log/file/{id}
    @Execute
    public StreamResponse get$file(final String id) {

        final String root = new File("/").getCanonicalPath();
        assertEquals(root + "Program Files" + File.separator + "foo.jar", JarFileUtil.toJarFilePath(url));
    }

    /**
     * @throws Exception
     */
    public void testRelativePath() throws Exception {
        final File f = new File("/Program Files/foo.jar");
        URL url = new URL("jar:" + f.toURI().toURL() + "!/foo/bar/");
        url = new URL(url, "..");

        req.threshold(0); // always create tmp file

        // ## Act ##
        long before = countTmpFiles();
        logger.info("Before request. Number of temp files: " + before);
        req.execute(res -> {
            logger.info("Processing request. Number of temp files: " + countTmpFiles());
        }, e -> {});
        long after = countTmpFiles();

 */
package org.codelibs.fess.app.web.admin.log;

import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Base64;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Stream;

        if (context == null) {
            return new File[0];
        }
        final String libPath = context.getRealPath("/WEB-INF/lib");
        if (StringUtil.isBlank(libPath)) {
            return new File[0];
        }
        final File libDir = new File(libPath);
        if (!libDir.exists()) {
            return new File[0];
        }
        return libDir.listFiles((file, name) -> name.startsWith(namePrefix));
    }

import java.io.BufferedWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.stream.Collectors;

import javax.annotation.Resource;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

    private final File file;

    public ContentCache(final byte[] data) {
        this.data = data;
        this.file = null;
    }

    public ContentCache(final File file) {
        this.data = null;
        this.file = file;
    }

    @Override
    public void close() throws IOException {
        if (file != null) {
            Files.delete(file.toPath());
        }
    }

    // GET /api/admin/backup/files
    @Execute
    public JsonResponse<ApiResult> files() {
        final List<Map<String, String>> list = getBackupItems();
        return asJson(new ApiBackupFilesResponse().files(list).total(list.size()).status(ApiResult.Status.OK).result());
    }

    // GET /api/admin/backup/file/{id}
    @Execute
    public StreamResponse get$file(final String id) {

                return null;
            }
        });
        final String root = new File("/").getCanonicalPath();
        assertEquals(root + "Program Files" + File.separator + "foo.zip", ZipFileUtil.toZipFilePath(url));
    }