Aplicación gvSIG con fines educativos

package org.gvsig.educa.thematicmap.impl;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import org.gvsig.educa.thematicmap.spi.ThematicMapProviderManager;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

import org.gvsig.tools.service.Service;

import org.gvsig.tools.service.spi.AbstractProviderManager;

import org.gvsig.tools.service.spi.ProviderFactory;

import org.gvsig.tools.service.spi.ProviderServices;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class DefaultThematicMapProviderManager extends AbstractProviderManager

                implements ThematicMapProviderManager {

        private static final Logger logger = LoggerFactory

                        .getLogger(DefaultThematicMapProviderManager.class);

        public static final String PROVIDERS_NAME = "ThematicMap.providers";

        public static final String PROVIDERS_DESCRIPTION = "ThematicMap providers";

        public DefaultThematicMapProviderManager() {

                super();

                System.out.println("\nprovider created!\n;");

        }

        @Override

        protected String getRegistryDescription() {

                return PROVIDERS_DESCRIPTION;

        }

        @Override

        protected String getRegistryKey() {

                return PROVIDERS_NAME;

        }

        public ProviderServices createProviderServices(Service service) {

                return new DefaultThematicMapProviderServices();

        }

        public List<ProviderFactory> getProviderFactories() {

                ExtensionPointManager epm = ToolsLocator.getExtensionPointManager();

                List<ProviderFactory> factories = new ArrayList<ProviderFactory>();

                ExtensionPoint ep_prov = epm.get(PROVIDERS_NAME);

                if( ep_prov == null ) {

                        return factories;

                }

                Iterator factoriesIt =  ep_prov.iterator();

                while (factoriesIt.hasNext()) {

                        ExtensionPoint ep = (ExtensionPoint) factoriesIt.next();

                        String factoryName = ep.getName();

                        ProviderFactory factory = null;

                        try {

                                factory = ((ProviderFactory) ep.create(factoryName));

                                factories.add(factory);

                        } catch (Exception e) {

                                logger.info("Can't create ThematicMapProviderfactory for '"

                                                + factoryName + ".");

                        }

                }

                return factories;

        }

}