org.apache.jackrabbit.core.query.lucene
Class DateField

java.lang.Object
  org.apache.jackrabbit.core.query.lucene.DateField

public class DateField
extends Object

Implements Date <-> String conversions in a way that the resulting String is suitable for indexing and sorting.

Field Summary

static String	MAX_DATE_STRING Returns 'zzzzzzzzz' -> something around 3189
static String	MIN_DATE_STRING Returns '000000000' -> something around 30 BC

Method Summary

static String	dateToString(Date date) Converts a Date to a string suitable for indexing.
static Date	stringToDate(String s) Converts a string-encoded date into a Date object.
static long	stringToTime(String s) Converts a string-encoded date into a millisecond time.
static String	timeToString(long time) Converts a millisecond time to a string suitable for indexing.

Methods inherited from class java.lang.Object

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

Field Detail

MIN_DATE_STRING

public static final String MIN_DATE_STRING

Returns '000000000' -> something around 30 BC

MAX_DATE_STRING

public static final String MAX_DATE_STRING

Returns 'zzzzzzzzz' -> something around 3189

Method Detail

dateToString

public static String dateToString(Date date)

Converts a Date to a string suitable for indexing. This method will throw a RuntimeException if the date specified in the method argument is before 30 BC or after 3189.

timeToString

public static String timeToString(long time)

Converts a millisecond time to a string suitable for indexing. Supported date range is: 30 BC - 3189

Throws:

IllegalArgumentException - if the given time is not within the supported date range.

stringToTime

public static long stringToTime(String s)

Converts a string-encoded date into a millisecond time.

stringToDate

public static Date stringToDate(String s)

Converts a string-encoded date into a Date object.