public String execute() {
        try {
            final long count = ComponentUtil.getThumbnailManager().purge(getExpiry());
            return "Deleted " + count + " thumbnail files.";
        } catch (final Exception e) {
            logger.error("Failed to purge thumbnails.", e);
            return e.getMessage();
        }
    }

    public long getExpiry() {
        return expiry;

crawler.document.html.default.exclude.search.patterns=

# file
crawler.document.file.name.encoding=
crawler.document.file.no.title.label=No title.
crawler.document.file.ignore.empty.content=false
crawler.document.file.max.title.length=100
crawler.document.file.max.digest.length=200
crawler.document.file.append.meta.content=true
crawler.document.file.append.body.content=true
crawler.document.file.default.lang=

    private static final String NAME_PREFIX = "backupTest_";
    private static final String API_PATH = "/api/admin/backup";
    private static final String LIST_ENDPOINT_SUFFIX = "files";
    private static final String ITEM_ENDPOINT_SUFFIX = "file";

    private static final String KEY_PROPERTY = "";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    @Override

labels.file_auth_configuration=File Authentication
labels.file_auth_list_hostname=Hostname
labels.file_auth_list_file_crawling_config=Config Name
labels.file_auth_any=Any
labels.file_auth_create_file_config=Create New File Config
labels.file_auth_title_details=File Authentication
labels.file_auth_hostname=Hostname
labels.file_auth_port=Port
labels.file_auth_scheme=Scheme

public class KuromojiFileTest extends UnitFessTestCase {
    private KuromojiFile kuromojiFile;

    /*
    // TODO
    private File file1;

    @Override
    protected void setUp() throws Exception {
        file1 = File.createTempFile("kuromoji_", ".txt");
        FileUtil.write(
                file1.getAbsolutePath(),
                "token1,seg1,reading1,pos1\ntoken2,seg2,reading2,pos2\ntoken3,seg3,reading3,pos3"

    /** The key of the message: Any */
    public static final String LABELS_file_auth_any = "{labels.file_auth_any}";

    /** The key of the message: Create New File Config */
    public static final String LABELS_file_auth_create_file_config = "{labels.file_auth_create_file_config}";

    /** The key of the message: File Authentication */

    /**
     * @throws Exception
     */
    public void testGetBuildDir() throws Exception {
        final File file = ResourceUtil.getBuildDir(getClass());
        System.out.println(file);
        final File file2 = ResourceUtil.getBuildDir("org/codelibs/core/io");
        assertEquals(file, file2);
        final File junitJar = ResourceUtil.getBuildDir(TestCase.class);
        assertTrue(junitJar.exists());

labels.file_auth_configuration=File Authentication
labels.file_auth_list_hostname=Hostname
labels.file_auth_list_file_crawling_config=Config Name
labels.file_auth_any=Any
labels.file_auth_create_file_config=Create New File Config
labels.file_auth_title_details=File Authentication
labels.file_auth_hostname=Hostname
labels.file_auth_port=Port
labels.file_auth_scheme=Scheme

labels.file_auth_configuration=File Authentication
labels.file_auth_list_hostname=Hostname
labels.file_auth_list_file_crawling_config=Config Name
labels.file_auth_any=Any
labels.file_auth_create_file_config=Create New File Config
labels.file_auth_title_details=File Authentication
labels.file_auth_hostname=Hostname
labels.file_auth_port=Port
labels.file_auth_scheme=Scheme

        super.setUp();
        testDir = File.createTempFile("synonymtest", "_dir");
        testDir.delete();
        testDir.mkdirs();
        file1 = new File(testDir, "synonym.txt");
        FileUtil.writeBytes(file1.getAbsolutePath(), "abc=>123\nxyz,890".getBytes(Constants.UTF_8));
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
        FileUtils.deleteDirectory(testDir);
    }