Application: gvSIG desktop » gvSIG raster

/*

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2012 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.raster.algorithm;

import java.util.List;

import org.gvsig.i18n.Messages;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

import org.gvsig.tools.library.AbstractLibrary;

import org.gvsig.tools.library.LibraryException;

/**

 * Initialization of RasterBaseAlgorithmLibrary library.

 * 

 * @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a>

 */

public class RasterBaseAlgorithmLibrary extends AbstractLibrary {

        public static final String         REGISTER_PROCESS_LABEL             = "DataProcess";

        public static final String         REGISTER_INPUT_PARAMETERS_LABEL    = "DataProcessInputParameters";

        public static final String         REGISTER_OUTPUT_PARAMETERS_LABEL   = "DataProcessOutputParameters";

        /**

         * Registers a raster process

         */

        public static void register(String processLabel, Class<?> process) {

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                ExtensionPoint point = extensionPoints.add(REGISTER_PROCESS_LABEL);

                point.append(processLabel, "", process);

        }

        /**

         * Gets the process name 

         * @param process

         * @return

         */

        @SuppressWarnings("unchecked")

        public static String getProcessName(Class<?> process) {

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                ExtensionPoint point = extensionPoints.add(REGISTER_PROCESS_LABEL);

                List<String> it = point.getNames();

                for (int i = 0; i < it.size(); i++) {

                        Class<?> value = point.get(it.get(i)).getExtension();

                        if(value == process)

                                return it.get(i);

                } 

                return null;

        }

        /**

         *  Registers input parameters of a raster process

         *  @deprecated Uses ProcessParamsManagement register

         */

        public static String registerInputParameter(String parameterLabel, Class<?> parameterClass) {

                return registerParameter(parameterLabel, parameterClass, REGISTER_INPUT_PARAMETERS_LABEL);

        }

        /**

         *  Registers output parameters of a raster process

         *  @deprecated Uses ProcessParamsManagement register

         */

        public static String registerOutputParameter(String parameterLabel, Class<?> parameterClass) {

                return registerParameter(parameterLabel, parameterClass, REGISTER_OUTPUT_PARAMETERS_LABEL);

        }

        /**

         * Registers a raster process

         * @deprecated Uses ProcessParamsManagement register

         */

        private static String registerParameter(String parameterLabel, Class<?> parameterClass, String type) {

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                ExtensionPoint point = extensionPoints.add(type);

                int i = 0;

                //Si no hay un par?metro registrado con ese nombre se registra

                if(point.get(parameterLabel) == null) {

                        point.append(parameterLabel, "", parameterClass);

                        return parameterLabel;

                } else {

                        //Si hay un par?metro registrado con ese nombre pero los tipos son iguales no se hace nada

                        if(point.get(parameterLabel).getExtension() == parameterClass)

                                return parameterLabel;

                        //Buscamos un nombre no registrado para el par?metro a?adiendo sufijos

                        String newName = parameterLabel + "_" + i;

                        while (point.get(newName) != null && point.get(newName).getExtension() != parameterClass) {

                                i++;

                                newName = parameterLabel + "_" + i;

                        }

                        point.append(parameterLabel + "_" + i, "", parameterClass);

                }

                return parameterLabel + "_" + i;

        }

    @Override

    protected void doInitialize() throws LibraryException {

        // Nothing to do

    }

    @Override

    protected void doPostInitialize() throws LibraryException {

        Messages.addResourceFamily(

            "org.gvsig.raster.algorithm.i18n.text", 

            RasterBaseAlgorithmLibrary.class.getClassLoader(), 

            RasterBaseAlgorithmLibrary.class.getClass().getName());

        //registerGeoProcess(new RasterReprojectAlgorithmLibrary());

    }

    /**

     * Returns the instance of the manager

     * @return

     */

    public static RasterBaseAlgorithmManager getManager() {

            return RasterBaseAlgorithmManager.getInstance();

    }

}