Application: gvSIG desktop » gvSIG geoprocess

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2012 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 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.

 *

 * 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.geoprocess.lib.sextante.dataObjects;

import java.util.ArrayList;

import java.util.Iterator;

import es.unex.sextante.dataObjects.IRecord;

import es.unex.sextante.dataObjects.IRecordsetIterator;

import es.unex.sextante.dataObjects.RecordImpl;

import org.gvsig.fmap.dal.exception.DataException;

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

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

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

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

import org.gvsig.tools.dispose.DisposableIterator;

public class FeatureSetIRecordsetIterator implements IRecordsetIterator {

    private final FeatureSet featureSet;

    private DisposableIterator featureIterator;

    FeatureSetIRecordsetIterator(final FeatureSet obj) throws DataException {

        featureSet = obj;

        try {

            featureIterator = featureSet.fastIterator();

        } catch (final DataException e) {

            throw e;

        }

    }

    @Override

    public boolean hasNext() {

        return featureIterator.hasNext();

    }

    @Override

    public IRecord next() {

        final Feature feature = (Feature) featureIterator.next();

        final FeatureType fType = feature.getType();

        @SuppressWarnings("unchecked")

        final Iterator<FeatureAttributeDescriptor> descriptors =

            fType.iterator();

        final ArrayList<Object> objects = new ArrayList<Object>();

        while (descriptors.hasNext()) {

            final FeatureAttributeDescriptor descriptor = descriptors.next();

            objects.add(feature.get(descriptor.getName()));

        }

        final IRecord record = new RecordImpl(objects.toArray(new Object[0]));

        return record;

    }

    @Override

    public void close() {

        if (featureIterator != null) {

            featureIterator.dispose();

            featureIterator = null;

        }

        featureSet.dispose();

    }

}