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extensions/net.sf.basedb.meludi/trunk/src/net/sf/basedb/meludi/converter/StringToDateConverter.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.text.ParseException;
2933	14 Nov 14	olle	5	import java.util.Date;
2933	14 Nov 14	olle	6
2933	14 Nov 14	olle	7	/**
2933	14 Nov 14	olle	8	Value converter implementation for converting strings with date/time information
2933	14 Nov 14	olle	9	to actual date objects. The instance is configured with a {@link DateFormat} object
2933	14 Nov 14	olle	10	which does the actual conversion. See {@link DateFormat#parse(String)}.
2933	14 Nov 14	olle	11	@author nicklas
2933	14 Nov 14	olle	12	@since 1.2
2933	14 Nov 14	olle	13	*/
2933	14 Nov 14	olle	14	public class StringToDateConverter
2933	14 Nov 14	olle	15	implements ValueConverter<String, Date>
2933	14 Nov 14	olle	16	{
2933	14 Nov 14	olle	17
2933	14 Nov 14	olle	18	private final DateFormat dateFormat;
2933	14 Nov 14	olle	19
2933	14 Nov 14	olle	20	/**
2933	14 Nov 14	olle	21	Create a new string-to-date converter.
2933	14 Nov 14	olle	22	@param dateFormat The formatter object used for the actual conversion
2933	14 Nov 14	olle	23	*/
2933	14 Nov 14	olle	24	public StringToDateConverter(DateFormat dateFormat)
2933	14 Nov 14	olle	25	{
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 Date convert(String value)
2933	14 Nov 14	olle	35	{
2933	14 Nov 14	olle	36	try
2933	14 Nov 14	olle	37	{
2933	14 Nov 14	olle	38	return value == null \|\| "".equals(value) ? null : dateFormat.parse(value);
2933	14 Nov 14	olle	39	}
2933	14 Nov 14	olle	40	catch (ParseException ex)
2933	14 Nov 14	olle	41	{
2933	14 Nov 14	olle	42	throw new RuntimeException(ex);
2933	14 Nov 14	olle	43	}
2933	14 Nov 14	olle	44	}
2933	14 Nov 14	olle	45	// ------------------------------------
2933	14 Nov 14	olle	46
2933	14 Nov 14	olle	47	}