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/* 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.mapcontext.tools.coerce;

import java.awt.Color;

import org.gvsig.fmap.geom.DataTypes;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.CoercionException;

import org.gvsig.tools.dataTypes.DataTypesManager;

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

/**

 * Convert a Color to String.

 * 

 *  

 * @author gvSIG Team

 * @version $Id$

 * 

 */

public class CoerceColorToString implements Coercion {

        public CoerceColorToString() {

                // Do nothing

        }

        public Object coerce(Object value) throws CoercionException {

                try {

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

                                return value;

                        }

                        if( value instanceof Color ) {

                                Color color = (Color) value;

                                SimpleAttributesSerializer properties = new SimpleAttributesSerializer("Color");

                                properties.put("red", new Integer(color.getRed()));

                                properties.put("green", new Integer(color.getGreen()));

                                properties.put("blue", new Integer(color.getBlue()));

                                properties.put("alpha", new Integer(color.getAlpha()));

                                return properties.toString();

                        }

                } catch (Exception e) {

                        throw new CoercionException(e);

                }

                throw new CoercionException();

        }

        public static void selfRegister() {

        DataTypesManager dataTypesManager = ToolsLocator.getDataTypesManager();

                if( dataTypesManager.getType("Color")== DataTypes.INVALID ) {

                dataTypesManager.addtype(DataTypes.INVALID, null, "Color",Color.class, null);

                }

                int type = dataTypesManager.getType("Color");

        dataTypesManager.addCoercion(type, new CoerceStringToColor());

        }

}