com.adobe.internal.xmp.impl

Class ISO8601Converter

java.lang.Object

com.adobe.internal.xmp.impl.ISO8601Converter

public final class ISO8601Converter
extends Object

Converts between ISO 8601 Strings and Calendar with millisecond resolution.

Since:

16.02.2006

Version:

$Revision$

Author:

Stefan Makswit

Method Summary

Modifier and Type	Method and Description
static XMPDateTime	parse(String iso8601String) Converts an ISO 8601 string to an XMPDateTime.
static XMPDateTime	parse(String iso8601String, XMPDateTime binValue)
static String	render(XMPDateTime dateTime) Converts a Calendar into an ISO 8601 string.

Methods inherited from class java.lang.Object

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

Method Detail

parse

public static XMPDateTime parse(String iso8601String)
                         throws XMPException

Converts an ISO 8601 string to an XMPDateTime. Parse a date according to ISO 8601 and http://www.w3.org/TR/NOTE-datetime:

• YYYY
• YYYY-MM
• YYYY-MM-DD
• YYYY-MM-DDThh:mmTZD
• YYYY-MM-DDThh:mm:ssTZD
• YYYY-MM-DDThh:mm:ss.sTZD

Data fields:

• YYYY = four-digit year
• MM = two-digit month (01=January, etc.)
• DD = two-digit day of month (01 through 31)
• hh = two digits of hour (00 through 23)
• mm = two digits of minute (00 through 59)
• ss = two digits of second (00 through 59)
• s = one or more digits representing a decimal fraction of a second
• TZD = time zone designator (Z or +hh:mm or -hh:mm)

Note that ISO 8601 does not seem to allow years less than 1000 or greater than 9999. We allow any year, even negative ones. The year is formatted as "%.4d".

Note: Tolerate missing TZD, assume is UTC. Photoshop 8 writes dates like this for exif:GPSTimeStamp.
Note: DOES NOT APPLY ANYMORE. Tolerate missing date portion, in case someone foolishly writes a time-only value that way.

Parameters:

iso8601String - a date string that is ISO 8601 conform.

Returns:

Returns a Calendar.

Throws:

XMPException - Is thrown when the string is non-conform.

parse

public static XMPDateTime parse(String iso8601String,
                                XMPDateTime binValue)
                         throws XMPException

Parameters:

iso8601String - a date string that is ISO 8601 conform.

binValue - an existing XMPDateTime to set with the parsed date

Returns:

Returns an XMPDateTime-object containing the ISO8601-date.

Throws:

XMPException - Is thrown when the string is non-conform.

render

public static String render(XMPDateTime dateTime)

Converts a Calendar into an ISO 8601 string. Format a date according to ISO 8601 and http://www.w3.org/TR/NOTE-datetime:

• YYYY
• YYYY-MM
• YYYY-MM-DD
• YYYY-MM-DDThh:mmTZD
• YYYY-MM-DDThh:mm:ssTZD
• YYYY-MM-DDThh:mm:ss.sTZD

Data fields:

• YYYY = four-digit year
• MM = two-digit month (01=January, etc.)
• DD = two-digit day of month (01 through 31)
• hh = two digits of hour (00 through 23)
• mm = two digits of minute (00 through 59)
• ss = two digits of second (00 through 59)
• s = one or more digits representing a decimal fraction of a second
• TZD = time zone designator (Z or +hh:mm or -hh:mm)

Note: ISO 8601 does not seem to allow years less than 1000 or greater than 9999. We allow any year, even negative ones. The year is formatted as "%.4d".

Note: Fix for bug 1269463 (silently fix out of range values) included in parsing. The quasi-bogus "time only" values from Photoshop CS are not supported.

Parameters:

dateTime - an XMPDateTime-object.

Returns:

Returns an ISO 8601 string.