ca.uhn.fhir.util

Class DateUtils

java.lang.Object

ca.uhn.fhir.util.DateUtils

public final class DateUtils
extends Object

A utility class for parsing and formatting HTTP dates as used in cookies and other headers. This class handles dates as defined by RFC 2616 section 3.3.1 as well as some other common non-standard formats.

This class is basically intended to be a high-performance workaround for the fact that Java SimpleDateFormat is kind of expensive to create and yet isn't thread safe.

This class was adapted from the class with the same name from the Jetty project, licensed under the terms of the Apache Software License 2.0.

Field Summary

Fields

Modifier and Type	Field and Description
static TimeZone	GMT

Method Summary

Modifier and Type	Method and Description
static String	formatDate(Date date) Formats the given date according to the RFC 1123 pattern.
static <T> T	notNull(T argument, String name)
static Date	parseDate(String theDateValue) Parses a date value.

Methods inherited from class java.lang.Object

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

Field Detail

GMT

public static final TimeZone GMT

Method Detail

parseDate

public static Date parseDate(String theDateValue)

Parses a date value. The formats used for parsing the date value are retrieved from the default http params.

Parameters:

theDateValue - the date value to parse

Returns:

the parsed date or null if input could not be parsed

formatDate

public static String formatDate(Date date)

Formats the given date according to the RFC 1123 pattern.

Parameters:

date - The date to format.

Returns:

An RFC 1123 formatted date string.

See Also:

PATTERN_RFC1123

notNull

public static <T> T notNull(T argument,
                            String name)