org.apache.ambari.server.utils

Class DateUtils

java.lang.Object

org.apache.ambari.server.utils.DateUtils

public class DateUtils
extends Object

Static Helper methods for datetime conversions

Field Summary

Fields

Modifier and Type	Field and Description
static String	ALLOWED_DATE_FORMAT

Constructor Summary

Constructors

Constructor and Description
DateUtils()

Method Summary

Modifier and Type	Method and Description
static String	convertDateToString(Date date) Convert Date to allowed format
static Date	convertToDate(String date) Convert from supported format to Date
static String	convertToReadableTime(Long timestamp) Milliseconds to readable format in current server timezone
static Long	convertToTimestamp(String time, String format) Convert time in given format to milliseconds
static Long	getDateDifferenceInMinutes(Date oldTime) Get difference in minutes between old date and now
static Date	getDateSpecifiedTimeAgo(String periodString) Returns a date given period before now
static boolean	isFutureTime(Date time) Check if given time is in the future

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ALLOWED_DATE_FORMAT

public static final String ALLOWED_DATE_FORMAT

See Also:

Constant Field Values

Constructor Detail

DateUtils

public DateUtils()

Method Detail

convertToReadableTime

public static String convertToReadableTime(Long timestamp)

Milliseconds to readable format in current server timezone

Parameters:

timestamp -

Returns:

convertToTimestamp

public static Long convertToTimestamp(String time,
                                      String format)

Convert time in given format to milliseconds

Returns:

convertToDate

public static Date convertToDate(String date)
                          throws ParseException

Convert from supported format to Date

Parameters:

date -

Returns:

Throws:

ParseException

convertDateToString

public static String convertDateToString(Date date)
                                  throws ParseException

Convert Date to allowed format

Parameters:

date -

Returns:

Throws:

ParseException

getDateDifferenceInMinutes

public static Long getDateDifferenceInMinutes(Date oldTime)

Get difference in minutes between old date and now

Parameters:

oldTime -

Returns:

isFutureTime

public static boolean isFutureTime(Date time)

Check if given time is in the future

Parameters:

time -

Returns:

getDateSpecifiedTimeAgo

public static Date getDateSpecifiedTimeAgo(String periodString)

Returns a date given period before now

Parameters:

periodString - is a string indicating a time period. Example '1y2m3w4d5y' means 1 year, 2 months, 3 weeks, 4 days, 5 hours.

Returns: