Application: gvSIG desktop

/**

 * 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 3

 * 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.andami.plugins;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class ExtensionHelper {

        private static Logger logger = LoggerFactory.getLogger(ExtensionHelper.class);

        public static boolean canQueryByAction(IExtension extension) {

                if( extension instanceof IExtensionQueryByAction ) {

                        return ((IExtensionQueryByAction)extension).canQueryByAction();

                }

                return false;

        }

        public static boolean isVisible(IExtension extension, String action) {

                if( extension instanceof IExtensionQueryByAction ) {

                        return ((IExtensionQueryByAction) extension).isVisible(action);

                }

                return extension.isVisible();

        }

        public static boolean isEnabled(IExtension extension, String action) {

                if( extension instanceof IExtensionQueryByAction ) {

                        return ((IExtensionQueryByAction) extension).isEnabled(action);

                }

                return extension.isEnabled();

        }

        public static void execute(IExtension extension, String command, Object[] args) {

                if( extension instanceof IExtensionExecuteWithArgs ) {

                        ((IExtensionExecuteWithArgs) extension).execute(command, args);

                        return;

                }

                if( args!= null && args.length>0 ) {

                        logger.info("callong execute with args in a extension that not support ("+extension.getClass().getSimpleName()+").");

                }

                extension.execute(command);

        }

}