Application: gvSIG desktop » gvSIG geoprocess

package org.gvsig.geoprocess.core;

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 gvRecordsetIterator implements IRecordsetIterator {

    private final FeatureSet featureSet;

    private DisposableIterator featureIterator;

    gvRecordsetIterator(final FeatureSet obj) throws DataException {

        featureSet = obj;

        try {

            featureIterator = featureSet.fastIterator();

        } catch (final DataException e) {

            throw e;

        }

    }

    public boolean hasNext() {

        return featureIterator.hasNext();

    }

    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;

    }

    public void close() {

        if (featureIterator != null) {

            featureIterator.dispose();

            featureIterator = null;

        }

        featureSet.dispose();

    }

}