Package app.babylon.table.transform

Class ColumnLocalDates

java.lang.Object

app.babylon.table.transform.ColumnLocalDates

public final class ColumnLocalDates
extends Object

Local-date helpers for string and typed date columns.

Method Summary

Modifier and Type	Method	Description
static LocalDate	getMinimum(ColumnObject<LocalDate> column)	Returns the minimum set value in a local-date column.
static boolean	isAllDates(ColumnObject<String> c)	Returns whether every set value in the string column looks like a date.
static boolean	isLocalDate(Column column)	Returns whether the column is already local-date typed or can be inferred as local-date text.
static LocalDate	stringToDate(CharSequence x)	Parses a date using the default YMD interpretation.
static LocalDate	stringToDate(CharSequence x, DateFormat format)	Parses a date using the supplied format.

Methods inherited from class java.lang.Object

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

Method Details

stringToDate

public static LocalDate stringToDate(CharSequence x)

Parses a date using the default YMD interpretation.

Parameters:

x - source text

Returns:

parsed date or null

stringToDate

public static LocalDate stringToDate(CharSequence x,
 DateFormat format)

Parses a date using the supplied format.

Parameters:

x - source text

format - date format to use

Returns:

parsed date or null

isAllDates

public static boolean isAllDates(ColumnObject<String> c)

Returns whether every set value in the string column looks like a date.

Parameters:

c - string column to inspect

Returns:

true when the column has a known inferred date format

isLocalDate

public static boolean isLocalDate(Column column)

Returns whether the column is already local-date typed or can be inferred as local-date text.

Parameters:

column - column to inspect

Returns:

true when the column represents local dates

getMinimum

public static LocalDate getMinimum(ColumnObject<LocalDate> column)

Returns the minimum set value in a local-date column.

Parameters:

column - local-date column

Returns:

minimum set date