Application: gvSIG desktop

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);

        }

}