Application: gvSIG desktop

/* 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.exportto.swing.impl;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import org.cresques.cts.IProjection;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.exportto.swing.spi.ExporttoSwingProvider;

import org.gvsig.exportto.swing.spi.ExporttoSwingProviderManager;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

import org.gvsig.tools.service.Service;

import org.gvsig.tools.service.ServiceException;

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

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

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

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

/**

 * @author gvSIG Team

 * @version $Id$

 *

 */

public class DefaultExporttoSwingProviderManager extends AbstractProviderManager implements ExporttoSwingProviderManager {

    private static final Logger LOG =

        LoggerFactory.getLogger(DefaultExporttoSwingProviderManager.class);

    private static final String PROVIDERS_NAME = "Exportto.swing.providers";

    private static final String PROVIDERS_DESCRIPTION = "Exportto swing providers";

    private static final String PARAMETER_FEATURESTORE = "FeatureStore";

    private static final String PARAMETER_PROJECTION = "Projection";

    public DefaultExporttoSwingProviderManager() {

        super();        

    }

    public ProviderServices createProviderServices(Service service) {

        return new DefaultExporttoSwingProviderServices();       

    }

    @SuppressWarnings({ "rawtypes", "unchecked" })

    public List getProviderNames() {

        ExtensionPointManager extensionPointManager = ToolsLocator.getExtensionPointManager();

        ExtensionPoint extensionPoint = extensionPointManager.get(this.getRegistryKey());

        List providers = new ArrayList();

        if (extensionPoint != null){

            Iterator it = extensionPoint.iterator();

            while (it.hasNext()){

                Extension extension = (Extension)it.next();

                try {

                    ProviderFactory providerFactory = (ProviderFactory)extension.create();

                    providers.add(providerFactory.getName());               

                } catch (InstantiationException e) {

                    LOG.error("Not possible to create the exportto provider factory", e);

                } catch (IllegalAccessException e) {

                    LOG.error("Not possible to create the exportto provider factory", e);

                }           

            }  

        }

        return providers;        

    }

    protected String getRegistryDescription() {

        return PROVIDERS_DESCRIPTION;

    }

    protected String getRegistryKey() {

        return PROVIDERS_NAME;

    }

    public ExporttoSwingProvider createExporttoSwingProvider(

        String providerName, FeatureStore featureStore, IProjection projection)

    throws ServiceException {

        DynObject serviceParameters = createServiceParameters(providerName);

        serviceParameters.setDynValue(PARAMETER_FEATURESTORE, featureStore);

        serviceParameters.setDynValue(PARAMETER_PROJECTION, projection);

        Provider provider = createProvider(serviceParameters,

            new DefaultExporttoSwingProviderServices());

        if (!(provider instanceof ExporttoSwingProvider)) {

            throw new NotExporttoSwingProviderException(providerName);

        }

        return (ExporttoSwingProvider) provider;

    }

}