/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2002-2016, 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.filter.v2_0.bindings;

import javax.xml.namespace.QName;

import org.geotools.filter.v2_0.FES;
import org.geotools.xml.AbstractComplexBinding;
import org.geotools.xml.Encoder;
import org.geotools.xml.EncoderDelegate;
import org.opengis.filter.expression.Expression;
import org.opengis.filter.expression.Literal;
import org.opengis.filter.spatial.BinarySpatialOperator;
import org.xml.sax.ContentHandler;

import com.vividsolutions.jts.geom.Geometry;

/**
 * <pre>
 *  <xsd:complexType name="BinarySpatialOpType">
 *     <xsd:complexContent>
 *        <xsd:extension base="fes:SpatialOpsType">
 *           <xsd:sequence>
 *              <xsd:element ref="fes:ValueReference"/>
 *            <xsd:choice>
 *                 <xsd:element ref="fes:expression"/>
 *                 <xsd:any namespace="##other"/>
 *              </xsd:choice>
 *           </xsd:sequence>
 *        </xsd:extension>
 *     </xsd:complexContent>
 *  </xsd:complexType>
 *  <pre>
 * @author Justin Deoliveira, OpenGeo
 *
 */
public class BinarySpatialOpTypeBinding extends AbstractComplexBinding {

    @Override
    public QName getTarget() {
        return FES.BinarySpatialOpType;
    }

    @Override
    public Class getType() {
        return BinarySpatialOperator.class;
    }
    
    @Override
    public Object getProperty(Object object, QName name) throws Exception {
        Expression e = FESParseEncodeUtil.getProperty((BinarySpatialOperator) object, name);
        if (e instanceof Literal && ((Literal) e).getValue() instanceof Geometry) {
            return new EncoderDelegate() {
                @Override
                public void encode(ContentHandler output) throws Exception {                    
                    Encoder encoder = new Encoder(new org.geotools.gml3.v3_2.GMLConfiguration());
                    encoder.setInline(true);
                    encoder.encode(((Literal) e).getValue(), org.geotools.gml3.v3_2.GML.AbstractGeometry, output);
                }
            };
        } else {
            return e;
        }
    }
}