org.apache.commons.lang.time

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Java Source Code / Java Documentation  » Library » Apache commons lang 2.4 » org.apache.commons.lang.time 
org.apache.commons.lang.time

Provides classes and methods to work with dates and durations.

This includes:

  • DateUtils - a set of static utility methods for working with dates
  • FastDateFormat - a replacement for SimpleDateFormat that is fast and thread-safe
  • DateFormatUtils - a formatting class for dates
  • StopWatch - a duration timer
@since 2.0
Java Source File NameTypeComment
DateFormatUtils.javaClass
DateFormatUtilsTest.javaClass TestCase for DateFormatUtils.
DateUtils.javaClass

A suite of utilities surrounding the use of the java.util.Calendar and java.util.Date object.

DateUtils contains a lot of common methods considering manipulations of Dates or Calendars.

DateUtilsFragmentTest.javaClass
DateUtilsTest.javaClass Unit tests org.apache.commons.lang.time.DateUtils .
DurationFormatUtils.javaClass

Duration formatting utilities and constants.

DurationFormatUtilsTest.javaClass TestCase for DurationFormatUtils.
FastDateFormat.javaClass

FastDateFormat is a fast and thread-safe version of java.text.SimpleDateFormat .

This class can be used as a direct replacement to SimpleDateFormat in most formatting situations. This class is especially useful in multi-threaded server environments. SimpleDateFormat is not thread-safe in any JDK version, nor will it be as Sun have closed the bug/RFE.

Only formatting is supported, but all patterns are compatible with SimpleDateFormat (except time zones - see below).

Java 1.4 introduced a new pattern letter, 'Z', to represent time zones in RFC822 format (eg.

FastDateFormatTest.javaClass Unit tests org.apache.commons.lang.time.FastDateFormat .
StopWatch.javaClass

StopWatch provides a convenient API for timings.

To start the watch, call StopWatch.start() .

StopWatchTest.javaClass TestCase for StopWatch.
TimeTestSuite.javaClass Test suite for the Time package.
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