Application: gvSIG desktop » Library: org.gvsig.tools

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.tools.dataTypes.impl.coercion;

import java.text.DateFormat;

import java.text.SimpleDateFormat;

import java.util.Date;

import java.util.Locale;

import org.gvsig.tools.dataTypes.CoercionException;

import org.gvsig.tools.dataTypes.CoercionContext;

/**

 * Coerces a value to a {@link Date}. If the value is not a {@link Date}, it

 * will use the {@link Object#toString()} method to convert the

 * resulting {@link String} to a Date object using the current locale default

 * formatter for DateTime through the

 * {@link DateFormat#getDateTimeInstance(int)} method

 * and the {@link DateFormat#SHORT} style for the date and the

 * {@link DateFormat#MEDIUM} style for the hour.

 * 

 * @author gvSIG Team

 * @version $Id$

 */

public class CoerceToDateTime extends AbstractCoerceToDate {

    @Override

    protected DateFormat[] getFormatters(Locale locale) {

        return new DateFormat[] {

            DateFormat.getDateTimeInstance(DateFormat.SHORT,DateFormat.MEDIUM, locale),

            DateFormat.getDateTimeInstance(DateFormat.SHORT,DateFormat.SHORT, locale),

            DateFormat.getDateTimeInstance(DateFormat.SHORT,DateFormat.LONG, locale),

            new SimpleDateFormat("yyyyMMddHHmmss") // DBF format

        };

    }

    @Override

    protected Date now() {

        Date d = new Date();

        return d;

    }

    @Override

    protected String getDateType() {

        return "DateTime or Timestamp";

    }

  @Override

  public Object coerce(Object value, CoercionContext context) throws CoercionException {

    if( value == null || value instanceof Date ) {

      return value;

    }

    return super.coerce(value, context);

  }

}