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extensions/net.sf.basedb.meludi/trunk/src/net/sf/basedb/meludi/converter/DateToStringConverter.java

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Rev	Date	Author	Line
2933	14 Nov 14	olle	1	package net.sf.basedb.meludi.converter;
2933	14 Nov 14	olle	2
2933	14 Nov 14	olle	3	import java.text.DateFormat;
2933	14 Nov 14	olle	4	import java.util.Date;
2933	14 Nov 14	olle	5
2933	14 Nov 14	olle	6	/**
2933	14 Nov 14	olle	7	Value converter implementation for converting dates to string representation.
2933	14 Nov 14	olle	8	The instance is configured with a {@link DateFormat} object which does the
2933	14 Nov 14	olle	9	actual conversion. See {@link DateFormat#format(Date)}.
2933	14 Nov 14	olle	10	@author nicklas
2933	14 Nov 14	olle	11	@since 1.2
2933	14 Nov 14	olle	12	*/
2933	14 Nov 14	olle	13	public class DateToStringConverter
2933	14 Nov 14	olle	14	implements ValueConverter<Date, String>
2933	14 Nov 14	olle	15	{
2933	14 Nov 14	olle	16
2933	14 Nov 14	olle	17	private final DateFormat dateFormat;
2933	14 Nov 14	olle	18
2933	14 Nov 14	olle	19	/**
2933	14 Nov 14	olle	20	Create a new date-to-string converter.
2933	14 Nov 14	olle	21	@param dateFormat The formatter object used for the actual conversion
2933	14 Nov 14	olle	22	*/
2933	14 Nov 14	olle	23	public DateToStringConverter(DateFormat dateFormat)
2933	14 Nov 14	olle	24	{
2933	14 Nov 14	olle	25	if (dateFormat == null) throw new NullPointerException("dateFormat");
2933	14 Nov 14	olle	26	this.dateFormat = dateFormat;
2933	14 Nov 14	olle	27	}
2933	14 Nov 14	olle	28
2933	14 Nov 14	olle	29	/*
2933	14 Nov 14	olle	30	From the ValueConverter interface
2933	14 Nov 14	olle	31	---------------------------------
2933	14 Nov 14	olle	32	*/
2933	14 Nov 14	olle	33	@Override
2933	14 Nov 14	olle	34	public String convert(Date value)
2933	14 Nov 14	olle	35	{
2933	14 Nov 14	olle	36	return value == null ? null : dateFormat.format(value);
2933	14 Nov 14	olle	37	}
2933	14 Nov 14	olle	38	// ----------------------------------
2933	14 Nov 14	olle	39	}