/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library 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
 *    Lesser General Public License for more details.
 */
package org.geotools.gml3.bindings;

import javax.xml.namespace.QName;

import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.feature.DefaultFeatureCollections;
import org.geotools.feature.FeatureCollection;
import org.geotools.gml3.GML;
import org.geotools.xml.AbstractComplexBinding;
import org.geotools.xml.ElementInstance;
import org.geotools.xml.Node;
import org.opengis.feature.simple.SimpleFeature;


/**
 * Binding object for the type http://www.opengis.net/gml:AbstractFeatureCollectionType.
 *
 * <p>
 *        <pre>
 *         <code>
 *  <complexType abstract="true" name="AbstractFeatureCollectionType">
 *      <annotation>
 *          <documentation>A feature collection contains zero or more features.</documentation>
 *      </annotation>
 *      <complexContent>
 *          <extension base="gml:AbstractFeatureType">
 *              <sequence>
 *                  <element maxOccurs="unbounded" minOccurs="0" ref="gml:featureMember"/>
 *                  <element minOccurs="0" ref="gml:featureMembers"/>
 *              </sequence>
 *          </extension>
 *      </complexContent>
 *  </complexType>
 *
 *          </code>
 *         </pre>
 * </p>
 *
 * @generated
 *
 *
 * @source $URL$
 */
public class AbstractFeatureCollectionTypeBinding extends AbstractComplexBinding {
    /**
     * @generated
     */
    public QName getTarget() {
        return GML.AbstractFeatureCollectionType;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     *
     * @generated modifiable
     */
    public Class getType() {
        return FeatureCollection.class;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     *
     * @generated modifiable
     */
    public Object parse(ElementInstance instance, Node node, Object value)
        throws Exception {
        SimpleFeatureCollection featureCollection = 
            (SimpleFeatureCollection) node.getChildValue(FeatureCollection.class);
        if (featureCollection == null) {
            featureCollection = DefaultFeatureCollections.newCollection();
        }

        //<element maxOccurs="unbounded" minOccurs="0" ref="gml:featureMember"/>
        featureCollection.addAll(node.getChildValues(SimpleFeature.class));

        //<element minOccurs="0" ref="gml:featureMembers"/>
        SimpleFeature[] featureMembers = (SimpleFeature[]) node.getChildValue(SimpleFeature[].class);

        if (featureMembers != null) {
            for (int i = 0; i < featureMembers.length; i++) {
                featureCollection.add(featureMembers[i]);
            }
        }

        return featureCollection;
    }

    public Object getProperty(Object object, QName name) {
        //just return the features themselves
        if (GML.featureMembers.equals(name)) {
            SimpleFeatureCollection fc = (SimpleFeatureCollection) object;

            return fc;

            //return fc.toArray(new Feature[fc.size()]);
        }

        return null;
    }
}