com.jidesoft.grouper.date
Class DateGrouper

java.lang.Object
  com.jidesoft.grouper.AbstractObjectGrouper
      com.jidesoft.grouper.date.DateGrouper

All Implemented Interfaces:

ObjectGrouper

Direct Known Subclasses:

DateDayOfMonthGrouper, DateDayOfWeekGrouper, DateDayOfWeekInMonthGrouper, DateDayOfYearGrouper, DateMonthGrouper, DateQuarterGrouper, DateWeekOfMonthGrouper, DateWeekOfYearGrouper, DateYearGrouper

public abstract class DateGrouper
extends AbstractObjectGrouper

An abstract Grouper which can take data type such as Date, Calendar or Long and provide getCalendarFieldAsInt(Object,int) and getCalendarField(Object,int) methods to access the field of the Calendar.

Field Summary

protected static java.util.Calendar

INSTANCE

Constructor Summary

DateGrouper()

Method Summary

static java.lang.Object	getCalendarField(java.lang.Object value, int field)
static int	getCalendarFieldAsInt(java.lang.Object value, int field)
java.lang.Class<?>	getType() Gets the group value type.

Methods inherited from class com.jidesoft.grouper.AbstractObjectGrouper

getComparatorContext, getConverterContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.jidesoft.grouper.ObjectGrouper

getName, getValue

Field Detail

INSTANCE

protected static java.util.Calendar INSTANCE

Constructor Detail

DateGrouper

public DateGrouper()

Method Detail

getCalendarField

public static java.lang.Object getCalendarField(java.lang.Object value,
                                                int field)

getCalendarFieldAsInt

public static int getCalendarFieldAsInt(java.lang.Object value,
                                        int field)

getType

public java.lang.Class<?> getType()

Description copied from interface: ObjectGrouper

Gets the group value type. It should be the type of the value that is returned from the getGroupValue.

Returns:

the group value type.