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.impl;

import org.cresques.cts.IProjection;

import org.gvsig.exportto.ExporttoService;

import org.gvsig.exportto.ExporttoServiceException;

import org.gvsig.exportto.ExporttoServiceFinishAction;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.DataServerExplorer;

import org.gvsig.fmap.dal.NewDataStoreParameters;

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

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

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

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

import org.gvsig.tools.dispose.DisposableIterator;

import org.gvsig.tools.dispose.DisposeUtils;

import org.gvsig.tools.task.AbstractMonitorableTask;

/**

 * Default {@link ExporttoService} implementation.

 * 

 * @author gvSIG Team

 * @version $Id$

 */

public class DefaultExporttoService extends AbstractMonitorableTask implements ExporttoService {

    private DataServerExplorer dataServerExplorer;   

    private NewDataStoreParameters newDataStoreParameters;

    private ExporttoServiceFinishAction exporttoServiceFinishAction;

    /**

     * {@link DefaultExporttoService} constructor 

     */

    public DefaultExporttoService(DataServerExplorer dataServerExplorer,       

        NewDataStoreParameters newDataStoreParameters) { 

        super("Exportto"); 

        this.dataServerExplorer = dataServerExplorer;

        this.newDataStoreParameters = newDataStoreParameters;

    }

    public void export(FeatureStore featureStore, IProjection projection,

        FeatureSet featureSet) throws ExporttoServiceException {

        // TODO Auto-generated method stub

    }

    public void export(FeatureSet featureSet) throws ExporttoServiceException {

        String providerName = newDataStoreParameters.getDataStoreName();

        String explorerName = dataServerExplorer.getProviderName();

        DisposableIterator it = null;

        FeatureStore target = null;

        try {

            taskStatus.setRangeOfValues(0, featureSet.getSize());

            DataManager dataManager = DALLocator.getDataManager();           

            dataManager.newStore(explorerName, providerName, newDataStoreParameters, true);

            target = (FeatureStore) dataManager.openStore(providerName, newDataStoreParameters);

            FeatureType targetType = target.getDefaultFeatureType();

            target.edit(FeatureStore.MODE_APPEND);

            it = featureSet.fastIterator();

            long featureCount = 0;

            while (it.hasNext()) {

                Feature feature = (Feature) it.next();

                target.insert(target.createNewFeature(targetType, feature));

                featureCount++;  

                this.taskStatus.setCurValue(featureCount);

                if (this.taskStatus.isCancellationRequested()) {

                    return;

                }

            }

            target.finishEditing();       

            this.taskStatus.terminate();

            this.taskStatus.remove();

        } catch (Exception e) {

            throw  new ExporttoServiceException(e);

        } finally{

            if (target != null){

                target.dispose();

            }

            if (it != null){

                it.dispose();

            }

            if (featureSet != null){

                featureSet.dispose();

            }

            DisposeUtils.dispose(it);

        }

        if (exporttoServiceFinishAction != null){         

            exporttoServiceFinishAction.finished(newDataStoreParameters.getDataStoreName(), newDataStoreParameters);

        }

    }

    public void setFinishAction(

        ExporttoServiceFinishAction exporttoServiceFinishAction) {

        this.exporttoServiceFinishAction = exporttoServiceFinishAction;        

    }

}