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 org.gvsig.installer.lib.api.Version;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.CoercionException;

import org.gvsig.tools.dataTypes.DataTypesManager.Coercion;

import org.gvsig.tools.packageutils.PackageManager;

public class CoerceToVersion implements Coercion {

    public Object coerce(Object value) throws CoercionException {

            if( value == null ) {

                    return null;

            }

        if (!(value instanceof Version)) {

            try {

                    PackageManager manager = ToolsLocator.getPackageManager();

                    Version version = manager.createVersion();

                    String s = value.toString();

                    if( s.trim().length()==0 ) {

                            value = null;

                    } else {

                            version.parse(s);

                            value = version;

                    }

            } catch(Exception ex) {

                    throw new CoercionException(ex.getMessage(),ex);

            }

        }

        return value;

    }

}