depends.org.apache.http.client.utils

类 DateUtils

java.lang.Object

depends.org.apache.http.client.utils.DateUtils

@Immutable
public final class DateUtils
extends java.lang.Object

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

从以下版本开始:

4.3

字段概要

字段

限定符和类型	字段和说明
static java.util.TimeZone	GMT
static java.lang.String	PATTERN_ASCTIME Date format pattern used to parse HTTP date headers in ANSI C asctime() format.
static java.lang.String	PATTERN_RFC1036 Date format pattern used to parse HTTP date headers in RFC 1036 format.
static java.lang.String	PATTERN_RFC1123 Date format pattern used to parse HTTP date headers in RFC 1123 format.

方法概要

方法

限定符和类型	方法和说明
static void	clearThreadLocal() Clears thread-local variable containing DateFormat cache.
static java.lang.String	formatDate(java.util.Date date) Formats the given date according to the RFC 1123 pattern.
static java.lang.String	formatDate(java.util.Date date, java.lang.String pattern) Formats the given date according to the specified pattern.
static java.util.Date	parseDate(java.lang.String dateValue) Parses a date value.
static java.util.Date	parseDate(java.lang.String dateValue, java.lang.String[] dateFormats) Parses the date value using the given date formats.
static java.util.Date	parseDate(java.lang.String dateValue, java.lang.String[] dateFormats, java.util.Date startDate) Parses the date value using the given date formats.

从类继承的方法 java.lang.Object

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

字段详细资料

PATTERN_RFC1123

public static final java.lang.String PATTERN_RFC1123

Date format pattern used to parse HTTP date headers in RFC 1123 format.

另请参阅:

常量字段值

PATTERN_RFC1036

public static final java.lang.String PATTERN_RFC1036

Date format pattern used to parse HTTP date headers in RFC 1036 format.

另请参阅:

常量字段值

PATTERN_ASCTIME

public static final java.lang.String PATTERN_ASCTIME

Date format pattern used to parse HTTP date headers in ANSI C asctime() format.

另请参阅:

常量字段值

GMT

public static final java.util.TimeZone GMT

方法详细资料

parseDate

public static java.util.Date parseDate(java.lang.String dateValue)

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

参数:

dateValue - the date value to parse

返回:

the parsed date or null if input could not be parsed

parseDate

public static java.util.Date parseDate(java.lang.String dateValue,
                       java.lang.String[] dateFormats)

Parses the date value using the given date formats.

参数:

dateValue - the date value to parse

dateFormats - the date formats to use

返回:

the parsed date or null if input could not be parsed

parseDate

public static java.util.Date parseDate(java.lang.String dateValue,
                       java.lang.String[] dateFormats,
                       java.util.Date startDate)

Parses the date value using the given date formats.

参数:

dateValue - the date value to parse

dateFormats - the date formats to use

startDate - During parsing, two digit years will be placed in the range startDate to startDate + 100 years. This value may be null. When null is given as a parameter, year 2000 will be used.

返回:

the parsed date or null if input could not be parsed

formatDate

public static java.lang.String formatDate(java.util.Date date)

Formats the given date according to the RFC 1123 pattern.

参数:

date - The date to format.

返回:

An RFC 1123 formatted date string.

另请参阅:

PATTERN_RFC1123

formatDate

public static java.lang.String formatDate(java.util.Date date,
                          java.lang.String pattern)

Formats the given date according to the specified pattern. The pattern must conform to that used by the simple date format class.

参数:

date - The date to format.

pattern - The pattern to use for formatting the date.

返回:

A formatted date string.

抛出:

java.lang.IllegalArgumentException - If the given date pattern is invalid.

另请参阅:

SimpleDateFormat

clearThreadLocal

public static void clearThreadLocal()

Clears thread-local variable containing DateFormat cache.

从以下版本开始:

4.3