Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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.

 *

 */

package org.gvsig.fmap.dal.feature.impl.attributegetter;

import org.gvsig.fmap.dal.DataTypes;

import org.gvsig.timesupport.RelativeInstant;

import org.gvsig.tools.dataTypes.DataType;

/**

 * @author gvSIG Team

 * @version $Id$

 *

 */

public abstract class AbstractRelativeInstantFeatureAttributeGetter  extends AbstractObjectToTimefeatureAttributeGetter {

    protected DataType dataType = null;

    protected long millisInUnit = 1;

    public AbstractRelativeInstantFeatureAttributeGetter(long millisInUnit) {

        super();

        this.dataType = DATA_TYPES_MANAGER.get(DataTypes.INSTANT);

        this.millisInUnit = millisInUnit;

    }

    public DataType getDataType() {  

        return dataType;

    }

    public Object getter(Object sourceAttributeValue) {

        if (sourceAttributeValue == null){

            return TIME_SUPPORT_MANAGER.createRelativeInstant(0);

        }

        return TIME_SUPPORT_MANAGER.createRelativeInstant((long)new Double(sourceAttributeValue.toString()).doubleValue() * millisInUnit);

     }

    public Object setter(Object targetAttributeValue) {

        return new Long(((RelativeInstant)targetAttributeValue).toMillis() / millisInUnit);

    }

}