// last_modified
        final Date lastModified = responseData.getLastModified();
        if (lastModified != null) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldLastModified(), lastModified);
            // timestamp
            putResultDataBody(dataMap, fessConfig.getIndexFieldTimestamp(), lastModified);
        } else {
            // timestamp

    /** The key of the configuration. e.g. has_cache */
    String INDEX_FIELD_has_cache = "index.field.has_cache";

    /** The key of the configuration. e.g. last_modified */
    String INDEX_FIELD_last_modified = "index.field.last_modified";

    /** The key of the configuration. e.g. anchor */
    String INDEX_FIELD_ANCHOR = "index.field.anchor";

    /** The key of the configuration. e.g. segment */

  /** The HTTP {@code Expires} header field name. */
  public static final String EXPIRES = "Expires";
  /** The HTTP {@code Last-Modified} header field name. */
  public static final String LAST_MODIFIED = "Last-Modified";
  /** The HTTP {@code Link} header field name. */
  public static final String LINK = "Link";
  /** The HTTP {@code Location} header field name. */
  public static final String LOCATION = "Location";

        final long timestamp = propertiesFile.lastModified();
        if (timestamp <= lastModified) {
            return false;
        }

        return true;
    }

    public synchronized void load() {
        final Properties prop = new Properties();
        try (final FileInputStream fis = new FileInputStream(propertiesFile)) {
            lastModified = propertiesFile.lastModified();
            prop.load(fis);

// generates CopyObjectResponse from etag and lastModified time.
func generateCopyObjectResponse(etag string, lastModified time.Time) CopyObjectResponse {
	return CopyObjectResponse{
		ETag:         "\"" + etag + "\"",
		LastModified: amztime.ISO8601Format(lastModified.UTC()),
	}
}

// generates CopyObjectPartResponse from etag and lastModified time.

                long lm;

                if ( ( lm = f.lastModified() ) > this.lastModified ) {
                    if ( log.isDebugEnabled() ) {
                        log.debug("Reading " + tc.getConfig().getLmHostsFileName());
                    }
                    this.lastModified = lm;
                    this.table.clear();
                    try ( FileReader r = new FileReader(f) ) {

                    int diff = Math.abs((int) ( ( time / 1000 ) - ( f.lastModified() / 1000 ) ));
                    Assert.assertTrue("Have set time correctly", diff < 2);
                }
                else {
                    assertEquals(time, f.lastModified());
                }
            }
            catch ( SmbUnsupportedOperationException e ) {

    }

    public String getUpdatePolicy() {
        return updatePolicy;
    }

    public String getChecksumPolicy() {
        return checksumPolicy;
    }

    public boolean checkOutOfDate(Date lastModified) {
        boolean checkForUpdates = false;

        if (UPDATE_POLICY_ALWAYS.equals(updatePolicy)) {
            checkForUpdates = true;
        } else if (UPDATE_POLICY_DAILY.equals(updatePolicy)) {

        try {
            if( FILENAME != null ) {
                File f = new File( FILENAME );
                long lm;

                if(( lm = f.lastModified() ) > lastModified ) {
                    lastModified = lm;
                    TAB.clear();
                    alt = 0;
                    populate( new FileReader( f ));
                }
                result = (NbtAddress)TAB.get( name );

                if ( dh.hasCapability(SmbConstants.CAP_NT_SMBS) ) {
                    dest.setPathInformation(src.getAttributes(), src.createTime(), src.lastModified(), src.lastAccess());
                }
                else {
                    dest.setPathInformation(src.getAttributes(), 0L, src.lastModified(), 0L);
                }
            }
            catch ( SmbUnsupportedOperationException e ) {