Data no Webwork

/*
 * Created on 19/01/2005
 * by Marcelo Esperandio
 * project: erp
 * package: br.com.atmtec.converter
 * class..: DateConverter
 */
package br.com.atmtec.converter;

import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Map;

import br.com.atmtec.component.I18nSupport;

import com.opensymphony.xwork.ActionContext;

import ognl.DefaultTypeConverter;

/**
 * @author Marcelo Esperandio
 */
public class DateConverter extends DefaultTypeConverter {
	
	private static final String SLASH = "/";
	
	private static final int pt_BR = 1;
	private static final int en_US = 2;
	private static final int es_ES = 3;
	
	/* (non-Javadoc)
	 * @see ognl.DefaultTypeConverter#convertValue(java.util.Map, java.lang.Object, java.lang.Class)
	 */
	public Object convertValue(Map context, Object value, Class toType) {
		// futuramente um switch para determinar o i18n
		I18nSupport i18n = (I18nSupport)ActionContext.getContext().getSession().get("i18n");
		return ptBR(value, toType);
	}
	
	/**
	 * Converte strings para datas no padrão pt_BR (português-brasil).
	 * @param value
	 * @param toType
	 * @return
	 */
	private Object ptBR(Object value, Class toType) {
		int dd, mm, aaaa; 
		String[] d = (String[])value;
		int slash1 = d[0].indexOf(SLASH);
		int slash2 = d[0].lastIndexOf(SLASH);
		dd = Integer.parseInt(d[0].substring(0, slash1));
		mm = Integer.parseInt(d[0].substring(slash1+1, slash2));
		aaaa = Integer.parseInt(d[0].substring(slash2+1));
		Calendar cal = new GregorianCalendar(aaaa, mm-1, dd);
		return cal.getTime();
	}
	
	/**
	 * Converte strings para datas no padrão en_US (english-united states).
	 * @param value
	 * @param toType
	 * @return
	 */
	private Object enUS(Object value, Class toType) {
		return null;
	}
	
	/**
	 * Converte strings para datas no padrão es_ES (spanish-spain).
	 * @param value
	 * @param toType
	 * @return
	 */
	private Object esES(Object value, Class toType) {
		return null;
	}
}

# xwork-conversion.properties
java.util.Date = br.com.atmtec.converter.DateConverter

package br.unopar.infra.util;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Map;

import ognl.DefaultTypeConverter;


public class DateConverter extends DefaultTypeConverter{
	public static final String pt_BR_simple = "dd/MM/yyyy";
	public static final String pt_BR_full = "dd/MM/yyyy HH:mm";
	
	public Object convertValue(Map context, Object value, Class toType){
		try{
			String v[] = (String[]) value;
			SimpleDateFormat format = null;
			if(v[0].length()==16){
				format = new SimpleDateFormat(pt_BR_full);
			}else{
				format = new SimpleDateFormat(pt_BR_simple);
			}
			return format.parse(v[0]);
		}catch(ParseException e){
			e.printStackTrace();
			return null;
		}
	}
}