TimeZone.setDefault(newTimeZone);

            // Create new provider instance to pick up the new default
            FessUserTimeZoneProcessProvider newProvider = new FessUserTimeZoneProcessProvider();

            // Execute
            TimeZone result = newProvider.getRequestedTimeZone(requestManager);

    /**
     * @throws Exception
     */
    @Before
    public void setUp() throws Exception {
        TimeZone.setDefault(TimeZone.getTimeZone("GMT"));
    }

    /**
     * @throws Exception
     */
    @After
    public void tearDown() throws Exception {
        TimeZone.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test

    public static final TimeZone centralTimeZone = TimeZone.getDefault();

    @Override
    public boolean isUseTimeZoneHandling() {
        return false;
    }

    @Override
    public boolean isAcceptCookieTimeZone() {
        return false;
    }

    @Override

 * between time measurements.
 * <p>
 * This implementation is singleton-based and always uses UTC timezone. The clock
 * cannot be adjusted to different timezones to maintain consistent monotonic behavior.
 * Users needing local time representation should convert the result of {@link #instant()}
 * to their desired timezone:
 * <pre>{@code
 * Instant now = MonotonicClock.now();
 * ZonedDateTime local = now.atZone(ZoneId.systemDefault());

      if (format == null) {
        format =
          SimpleDateFormat(BROWSER_COMPATIBLE_DATE_FORMAT_STRINGS[i], Locale.US).apply {
            // Set the timezone to use when interpreting formats that don't have a timezone. GMT is
            // specified by RFC 7231.
            timeZone = UTC
          }
        BROWSER_COMPATIBLE_DATE_FORMATS[i] = format
      }
      position.index = 0
      result = format.parse(this, position)

import assertk.assertions.isNull
import java.util.Date
import java.util.TimeZone
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test

class HttpDateTest {
  private lateinit var originalDefault: TimeZone

  @BeforeEach
  fun setUp() {
    originalDefault = TimeZone.getDefault()
    // The default timezone should affect none of these tests: HTTP specified GMT, so we set it to

    }

    protected DfFinalTimeZoneProvider createFinalTimeZoneProvider() {
        return new DfFinalTimeZoneProvider() {
            protected final TimeZone provided = FessUserTimeZoneProcessProvider.centralTimeZone;

            @Override
            public TimeZone provide() {
                return provided;
            }

            @Override
            public String toString() {

    public void test_createFinalTimeZoneProvider_withDifferentDefaultTimeZone() {
        // Given
        TimeZone testTimeZone = TimeZone.getTimeZone("America/New_York");
        TimeZone originalDefault = TimeZone.getDefault();

        try {
            // Change default timezone temporarily
            TimeZone.setDefault(testTimeZone);

            // When

				Modified: time.Date(2011, 12, 8, 10, 4, 24, 0, timeZone(0)),
				Mode:     0666,
			},
			{
				Name:     "dir/bar",
				Content:  []byte("foo \r\n"),
				Modified: time.Date(2011, 12, 8, 10, 4, 50, 0, timeZone(0)),
				Mode:     0666,
			},
			{
				Name:     "dir/empty/",
				Content:  []byte{},
				Modified: time.Date(2011, 12, 8, 10, 8, 6, 0, timeZone(0)),
				Mode:     fs.ModeDir | 0777,
			},
			{

            return writer.writeUtf8(string)
          }
        },
    )

  internal fun parseUtcTime(string: String): Long {
    val utc = TimeZone.getTimeZone("GMT")
    val dateFormat =
      SimpleDateFormat("yyMMddHHmmss'Z'").apply {
        timeZone = utc
        set2DigitYearStart(Date(-631152000000L)) // 1950-01-01T00:00:00Z.
      }

    try {
      val parsed = dateFormat.parse(string)