com.neurosys.etl.common.transformers

Class DurationFromDate

java.lang.Object

com.neurosys.etl.common.transformers.DurationFromDate

All Implemented Interfaces:

org.apache.commons.collections.Transformer

public class DurationFromDate
extends Object
implements org.apache.commons.collections.Transformer

Get a String from a Date. Like "1 Hour Ago", "3 Days Ago", "1 Week To go" etc...

The input Date is expected as the 'From date' and uses toDate() to define To or Current Date.
By default this returns a String. To override its result use #concat(long, String, String)

Author:

Arjun Dhar

See Also:

toDate(), - Override if you want to Swap the default meaning of from and to.

Constructor Summary

Constructors

Constructor and Description
DurationFromDate()

Method Summary

Modifier and Type	Method and Description
protected Object	concat(long count, String unit, long msecs) If more than 1 make unit plural with "s" suffixed and return a String
protected long	difference(Date from, Date to)
String	getFuture() String
String	getPast() String
void	setFuture(String future) String
void	setPast(String past) String
protected Date	toDate() Expected in the future compared to input Date
Object	transform(Object input)

Methods inherited from class java.lang.Object

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

Constructor Detail

DurationFromDate

public DurationFromDate()

Method Detail

toDate

protected Date toDate()

Expected in the future compared to input Date

Returns:

Date

difference

protected long difference(Date from,
                          Date to)

transform

public Object transform(Object input)

Specified by:

transform in interface org.apache.commons.collections.Transformer

concat

protected Object concat(long count,
                        String unit,
                        long msecs)

If more than 1 make unit plural with "s" suffixed and return a String

Parameters:

count - as long

unit - as String

msecs - as long (actual milli seconds between input date and current

Returns:

Object

Default value:

String

getFuture

public String getFuture()

String

Default value:

To go

setFuture

public void setFuture(String future)

String

Default value:

To go

getPast

public String getPast()

String

Default value:

Ago

setPast

public void setPast(String past)

String

Default value:

Ago