private static final String SAMBA_HELPER = "sambaHelper";

    private static final String VIEW_HELPER = "viewHelper";

    private static final String SYSTEM_HELPER = "systemHelper";

    private static final String CRAWLER_PROPERTIES = "systemProperties";

    private static final String JOB_EXECUTOR_SUFFIX = "JobExecutor";

        } else {
            propertiesFile = file;
        }
        load();
    }

    public boolean isUpdated() {
        final long now = System.currentTimeMillis();
        if (now - lastChecked < checkInterval) {
            lastChecked = now;
            return false;
        }
        lastChecked = now;

/**
 * {@link String}用のユーティリティクラスです。
 *
 * @author higa
 * @author shinsuke
 */
public abstract class StringUtil {

    /**
     * A system line separator.
     */
    public static final String RETURN_STRING = System.getProperty("line.separator");

    /**
     * 空文字<code>""</code>です。
     */
    public static final String EMPTY = "";

    /**
     * 文字列型の空の配列です。
     */

		<packaging.fess.group>fess</packaging.fess.group>
		<packaging.fess.pid.dir>/var/run/fess</packaging.fess.pid.dir>
		<packaging.fess.systemd.dir>/usr/lib/systemd/system</packaging.fess.systemd.dir>
		<packaging.fess.systemd.sysctl.dir>/usr/lib/sysctl.d</packaging.fess.systemd.sysctl.dir>
		<packaging.fess.tmpfilesd.dir>/usr/lib/tmpfiles.d</packaging.fess.tmpfilesd.dir>

            }
            System.out.println("CaseInsensitiveMap.put:" + (System.currentTimeMillis() - start));

            start = System.currentTimeMillis();
            for (int i = 0; i < num; i++) {
                hmap.get("a" + String.valueOf(i));
            }
            System.out.println("HashMap.get:" + (System.currentTimeMillis() - start));

            start = System.currentTimeMillis();

     */
    public static final String PATH_SEPARATOR = System.getProperty("path.separator");

    /**
     * <code>os.name</code> システムプロパティ。例:<code>Mac OS X</code>
     */
    public static final String OS_NAME = System.getProperty("os.name");

    /**
     * <code>java.io.tmpdir</code> システムプロパティ。例：/tmp
     */
    public static final String JAVA_IO_TMPDIR = System.getProperty("java.io.tmpdir");

    /**

        long start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            System.out.println("test" + i);
        }
        final long sysout = System.currentTimeMillis() - start;
        start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            logger.fatal("test" + i);
        }
        final long logger = System.currentTimeMillis() - start;

        final String s = MessageFormatter.getMessage("EMSG0000");
        System.out.println(s);
        assertThat(s, is("[EMSG0000]test"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetMessageWithArgs() throws Exception {
        final String s = MessageFormatter.getMessage("EMSG0001", "hoge");
        System.out.println(s);
        assertThat(s, is("[EMSG0001]hogeが見つかりません"));
    }

    private static final String TEST_TOKEN = "test.token";

    public static String getTestToken() {
        return System.getProperty(TEST_TOKEN, DEFAULT_TEST_TOKEN);
    }

    public static String settingTestToken() {
        final String testToken = System.getProperty(TEST_TOKEN);
        if (testToken != null) {
            logger.info("Token: {}", testToken);
            return testToken;
        }

        this.timeoutMillis = timeout * 1000L;
        this.permanent = permanent;
        this.startTime = System.currentTimeMillis();
    }

    /**
     * 期限切れかどうかを返します。
     *
     * @return 期限切れかどうか
     */
    public boolean isExpired() {
        return System.currentTimeMillis() >= startTime + timeoutMillis;
    }

    /**
     * 永続的かどうかを返します。
     *
     * @return 永続的かどうか
     */