java.time.LocalDate#format ( )源码实例Demo

@Test
public void getDiskUtilizationTest() throws Exception {
    LocalDate currDate = LocalDate.now();
    Map<String,Object> utilisation;
    List< Map<String,Object>> utlisationList = new ArrayList<>();
    for(int i=0;i<7;i++){
        LocalDate temp = currDate.minusDays(i);
        String date = temp.format(DateTimeFormatter.ISO_DATE);
        utilisation = new HashMap<>();
        utilisation.put("date",date);
        utilisation.put("diskReadinBytes",Math.random() * 1000 + 26);
        utilisation.put("diskWriteinBytes",Math.random() * 5000 + 12);
        utlisationList.add(utilisation);
    }
    when(statsService.getDiskUtilization(anyString())).thenReturn(utlisationList);
    
    ResponseEntity<Object> response =  statisticsController.getDiskUtilization("aws-all");
  
    assert(response.getStatusCodeValue()==200);
}
 

/**
 * Gets the disk utilization test.
 *
 * @return the disk utilization test
 * @throws Exception the exception
 */
@Test
public void getDiskUtilizationTest() throws Exception {
    LocalDate currDate = LocalDate.now();
    Map<String,Object> utilisation;
    List< Map<String,Object>> utlisationList = new ArrayList<>();
    for(int i=0;i<7;i++){
        LocalDate temp = currDate.minusDays(i);
        String date = temp.format(DateTimeFormatter.ISO_DATE);
        utilisation = new HashMap<>();
        utilisation.put("date",date);
        utilisation.put("diskReadinBytes",Math.random() * 1000 + 26);
        utilisation.put("diskWriteinBytes",Math.random() * 5000 + 12);
        utlisationList.add(utilisation);
    }
    System.out.println(utlisationList);
    when(elasticSearchRepository.getUtilizationByAssetGroup(anyString())).thenReturn(utlisationList);

    List<Map<String, Object>> _utlisationList = statisticsService.getDiskUtilization(anyString());
    System.out.println(_utlisationList);
    assert(_utlisationList.size()==utlisationList.size());
}
 

/**
 * Get a formatted String version of the date.
 * 
 * @param date
 * @return
 */
public static String defaultDateFormat(LocalDate date){
	if (date != null) {
		return date.format(dateFormat);
	}
	return "?";
}
 

@Test
public void formatAndParse() throws ParseException {
    LocalDate someDate = LocalDate.of(2016, 12, 7);
    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
    String formattedDate = someDate.format(formatter);
    LocalDate parsedDate = LocalDate.parse(formattedDate, formatter);

    assertThat(formattedDate).isEqualTo("2016-12-07");
    assertThat(parsedDate).isEqualTo(someDate);
}
 

private String generateProductIncrementName(int months) {
    final String pattern = "%1s-%2s";
    final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/MM/dd");

    final LocalDate now = LocalDate.now();
    final LocalDate changeMonthDate = now.plusMonths(months);
    final String formattedChangeMonthDate = changeMonthDate.format(formatter);
    final String formattedNow = now.format(formatter);

    return months < 0
        ? String.format(pattern, formattedChangeMonthDate, formattedNow)
        : String.format(pattern, formattedNow, formattedChangeMonthDate);
}
 

@Override
public String toString(Object o, String formatString, Locale locale) {
  if (formatString == null) return o.toString();
  LocalDate ld = (LocalDate) o;
  return ld.format(DateTimeFormatter.ofPattern(formatString));
}
 

@Override
public String getMailingStatisticUrl(ComAdmin admin, String sessionId, MailingStatisticDto mailingStatistic) throws Exception {
	final String language = StringUtils.defaultIfEmpty(admin.getAdminLang(), "EN");
	final String reportName = getReportName(mailingStatistic);
	final Map<String, Object> params = new HashMap<>();

	params.put(REPORT_NAME, reportName);
	params.put(IS_SVG, true);
	params.put(FORMAT, "html");
	params.put(COMPANY_ID, admin.getCompanyID());
	params.put(LANGUAGE, language);
	params.put(SECURITY_TOKEN, BirtInterceptingFilter.createSecurityToken(configService, admin.getCompanyID()));
	params.put(EMM_SESSION, sessionId);
	params.put(TARGET_BASE_URL.toLowerCase(), generateTargetBaseUrl());

	if (DateMode.NONE != mailingStatistic.getDateMode()) {
		DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(new SimpleDateFormat(BIRTDataSet.DATE_PARAMETER_FORMAT_WITH_HOUR2).toPattern());
		DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(new SimpleDateFormat(DateUtilities.YYYY_MM_DD).toPattern());
		final LocalDateTime startDate = Objects.requireNonNull(mailingStatistic.getStartDate());
		final LocalDateTime endDate = Objects.requireNonNull(mailingStatistic.getEndDate());
		String startDateStr;
		String endDateStr;
		if (mailingStatistic.getDateMode() == DateMode.LAST_TENHOURS) {
			startDateStr = startDate.format(dateTimeFormatter);
			endDateStr = endDate.format(dateTimeFormatter);
		} else {
			LocalDate start = startDate.toLocalDate();
			LocalDate end = endDate.toLocalDate();
			if (mailingStatistic.getDateMode() == DateMode.SELECT_DAY) {
				startDateStr = startDate.withHour(0).format(dateTimeFormatter);
				endDateStr = endDate.withHour(23).format(dateTimeFormatter);
			} else {
				startDateStr = start.format(dateFormatter);
				endDateStr = end.format(dateFormatter);
			}
		}
		params.put(RECIPIENT_START_DATE, startDateStr);
		params.put(RECIPIENT_STOP_DATE, endDateStr);
		params.put(HOUR_SCALE, mailingStatistic.isHourScale());
	}

	collectParametersAccordingToType(mailingStatistic.getType(), admin, mailingStatistic, params);

	return generateUrlWithParamsForExternalAccess(params);
}
 

@Override
public String serialize(LocalDate sourceValue) {
    return sourceValue.format(ISO_FORMAT);
}
 

@Test
public void testSample() throws Exception {
  assertThat(instanceId).isNotNull();
  assertThat(databaseId).isNotNull();
  String out = runSample("create");
  assertThat(out).contains("Created database");
  assertThat(out).contains(dbId.getName());

  out = runSample("insert", "players");
  assertThat(out).contains("Done inserting player records");

  out = runSample("insert", "scores");
  assertThat(out).contains("Done inserting score records");

  out = runSample("insert", "scores");
  assertThat(out).contains("Done inserting score records");

  out = runSample("insert", "scores");
  assertThat(out).contains("Done inserting score records");

  out = runSample("insert", "scores");
  assertThat(out).contains("Done inserting score records");

  out = runSample("insert", "scores");
  assertThat(out).contains("Done inserting score records");

  // Query Top Ten Players of all time.
  out = runSample("query");
  assertThat(out).contains("PlayerId: ");
  // Confirm output includes valid timestamps.
  String columnText = "Timestamp: ";
  String[] lines = out.split("\\r?\\n");
  String valueToTest = lines[0].substring(lines[0].indexOf(columnText) + columnText.length());
  DateTimeFormatter formatPattern = DateTimeFormatter.ofPattern("yyyy-MM-dd");
  LocalDate ld = LocalDate.parse(valueToTest, formatPattern);
  String result = ld.format(formatPattern);
  assertThat(result.equals(valueToTest)).isTrue();

  // Test that Top Ten Players of the Year (within past 8760 hours) runs successfully.
  out = runSample("query", "8760");
  assertThat(out).contains("PlayerId: ");

  // Test that Top Ten Players of the Month (within past 730 hours) runs successfully.
  out = runSample("query", "730");
  assertThat(out).contains("PlayerId: ");

  // Test that Top Ten Players of the Week (within past 168 hours) runs successfully.
  out = runSample("query", "168");
  assertThat(out).contains("PlayerId: ");
}
 

@Override
public String toString(LocalDate value) {
	return value.format(DateValueConstraintEditor.LOCAL_DATE_FORMAT);
}
 

@Override
String entityAttributeToString(LocalDate attr) {
    if (attr == null)
        return null;
    return attr.format(ISO_DATE);
}
 

private static String processLocalDate(LocalDate localDate) {
  return localDate.format(DateTimeFormatter.ISO_DATE);
}
 

String indexName(String name, LocalDate now) {
    return name + "-" + now.format(indexDateFormatter);
}
 

public static String getString(LocalDate value) {
    DateTimeFormatter formatter = DateTimeFormatter.ISO_LOCAL_DATE;
    return value.format(formatter);
}
 

@Override
public String shortLocalizedDate(LocalDate date, Locale locale) {
    DateTimeFormatter df = DateTimeFormatter.ofLocalizedDate(FormatStyle.MEDIUM).withLocale(locale);
    return date.format(df);
}
 

/**
 * YYYYMMdd を返します。
 * @return
 */
public String createYYYYMMdd() {
    LocalDate localDate = LocalDate.now();
    return localDate.format(dateFormatter);
}
 

@Test
public void format_date_in_java8 () {
	
	java.time.format.DateTimeFormatter formatter = 
			 java.time.format.DateTimeFormatter.ofPattern("MM/dd/yyyy");
	 
	LocalDate localDate = LocalDate.of(1967, Month.JANUARY, 15);
	
	String dateFirstSuperBowlWasPlayed = localDate.format(formatter);
	
	assertEquals("01/15/1967", dateFirstSuperBowlWasPlayed);
}
 

/**
 * {@inheritDoc }
 *
 * @param context
 * @param component
 * @param value
 * @return
 */
@Override
public String getAsString(FacesContext context, UIComponent component, Object value) {
    final LocalDate date = (LocalDate) value;
    return date.format(DateTimeFormatter.ofPattern("dd/MM/yyyy"));
}
 

/**
 * Formats this date in the provided, localized {@link java.time.format.FormatStyle}.
 *
 * @param self      a LocalDate
 * @param dateStyle the FormatStyle
 * @return a formatted String
 * @see java.time.format.DateTimeFormatter
 * @since 2.5.0
 */
public static String format(final LocalDate self, FormatStyle dateStyle) {
    return self.format(DateTimeFormatter.ofLocalizedDate(dateStyle));
}
 

/**
 *
 * @param localDate to convert
 * @return a String in form of "yyyy-MM-dd"
 */
public static String toTdaYMD(LocalDate localDate) {
  return localDate.format(TMD);
}