com.sun.syndication.io.impl
Class DateParser

java.lang.Object
  com.sun.syndication.io.impl.DateParser

public class DateParser
extends Object

A helper class that parses Dates out of Strings with date time in RFC822 and W3CDateTime formats plus the variants Atom (0.3) and RSS (0.9, 0.91, 0.92, 0.93, 0.94, 1.0 and 2.0) specificators added to those formats.

It uses the JDK java.text.SimpleDateFormat class attemtping the parse using a mask for each one of the possible formats.

Author:

Alejandro Abdelnur

Method Summary

static String	formatRFC822(Date date) create a RFC822 representation of a date.
static String	formatW3CDateTime(Date date) create a W3C Date Time representation of a date.
static Date	parseDate(String sDate) Parses a Date out of a String with a date in W3C date-time format or in a RFC822 format.
static Date	parseRFC822(String sDate) Parses a Date out of a String with a date in RFC822 format.
static Date	parseW3CDateTime(String sDate) Parses a Date out of a String with a date in W3C date-time format.

Methods inherited from class java.lang.Object

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

Method Detail

parseRFC822

public static Date parseRFC822(String sDate)

Parses a Date out of a String with a date in RFC822 format.

It parsers the following formats:

• "EEE, dd MMM yyyy HH:mm:ss z"
• "EEE, dd MMM yyyy HH:mm z"
• "EEE, dd MMM yy HH:mm:ss z"
• "EEE, dd MMM yy HH:mm z"
• "dd MMM yyyy HH:mm:ss z"
• "dd MMM yyyy HH:mm z"
• "dd MMM yy HH:mm:ss z"
• "dd MMM yy HH:mm z"

Refer to the java.text.SimpleDateFormat javadocs for details on the format of each element.

Parameters:

sDate - string to parse for a date.

Returns:

the Date represented by the given RFC822 string. It returns null if it was not possible to parse the given string into a Date.

parseW3CDateTime

public static Date parseW3CDateTime(String sDate)

Parses a Date out of a String with a date in W3C date-time format.

It parsers the following formats:

• "yyyy-MM-dd'T'HH:mm:ssz"
• "yyyy-MM-dd'T'HH:mmz"
• "yyyy-MM-dd"
• "yyyy-MM"
• "yyyy"

Refer to the java.text.SimpleDateFormat javadocs for details on the format of each element.

Parameters:

sDate - string to parse for a date.

Returns:

the Date represented by the given W3C date-time string. It returns null if it was not possible to parse the given string into a Date.

parseDate

public static Date parseDate(String sDate)

Parses a Date out of a String with a date in W3C date-time format or in a RFC822 format.

Parameters:

sDate - string to parse for a date.

Returns:

the Date represented by the given W3C date-time string. It returns null if it was not possible to parse the given string into a Date.

formatRFC822

public static String formatRFC822(Date date)

create a RFC822 representation of a date.

Refer to the java.text.SimpleDateFormat javadocs for details on the format of each element.

Parameters:

date - Date to parse

Returns:

the RFC822 represented by the given Date It returns null if it was not possible to parse the date.

formatW3CDateTime

public static String formatW3CDateTime(Date date)

create a W3C Date Time representation of a date.

Refer to the java.text.SimpleDateFormat javadocs for details on the format of each element.

Parameters:

date - Date to parse

Returns:

the W3C Date Time represented by the given Date It returns null if it was not possible to parse the date.