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

import javax.xml.namespace.QName;

import net.opengis.wfs20.Wfs20Factory;
import net.opengis.wfs20.PropertyType;

import org.geotools.wfs.v2_0.WFS;
import org.geotools.xml.AbstractComplexEMFBinding;
import org.geotools.xml.ElementInstance;
import org.geotools.xml.Encoder;
import org.geotools.xml.EncoderDelegate;
import org.geotools.xml.Node;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.ContentHandler;

import com.vividsolutions.jts.geom.Geometry;
import org.xml.sax.helpers.AttributesImpl;

public class PropertyTypeBinding extends AbstractComplexEMFBinding {
       
    public PropertyTypeBinding(Wfs20Factory factory) {
        super(factory);
    }

    public QName getTarget() {
        return WFS.PropertyType;
    }
    
    public Class<?> getType() {
        return PropertyType.class;
    }
    
    @Override
    public Element encode(Object object, Document document, Element value) throws Exception {
        return value;
    }

    public Object parse(ElementInstance instance, Node node, Object value)
        throws Exception {
        //TODO: implement and remove call to super
        return super.parse(instance, node, value);
    }
        
    @Override
    public Object getProperty(final Object object, QName name) throws Exception{
        if (WFS.Value.equals(name)) {
            return new EncoderDelegate() {

                @Override
                public void encode(ContentHandler output) throws Exception {
                    
                    Object value = ((PropertyType) object).getValue();
                    
                    output.startElement(WFS.NAMESPACE, WFS.Value.getLocalPart(), "wfs:" + WFS.Value.getLocalPart(), new AttributesImpl());
                    if (value instanceof Geometry) {
                        Encoder encoder = new Encoder(new org.geotools.gml2.GMLConfiguration());
                        encoder.setInline(true);
                        encoder.encode(value, org.geotools.gml2.GML._Geometry, output);
                    }
                    else {
                        String s = value.toString();
                        output.characters(s.toCharArray(), 0, s.length());
                    }
                    output.endElement(WFS.NAMESPACE, WFS.Value.getLocalPart(), "wfs:" + WFS.Value.getLocalPart());
                }
                
            };
            
        }
        
        return super.getProperty(object, name);
    }

}