/*
 *    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.sld.bindings;

import javax.xml.namespace.QName;

import org.geotools.styling.ShadedRelief;
import org.geotools.styling.StyleFactory;
import org.geotools.xml.AbstractComplexBinding;
import org.geotools.xml.ElementInstance;
import org.geotools.xml.Node;
import org.opengis.filter.FilterFactory;
import org.opengis.filter.expression.Expression;
import org.picocontainer.MutablePicoContainer;


/**
 * Binding object for the element http://www.opengis.net/sld:ShadedRelief.
 *
 * <p>
 *        <pre>
 *         <code>
 *  <xsd:element name="ShadedRelief">
 *      <xsd:annotation>
 *          <xsd:documentation>         "ShadedRelief" specifies
 *              the application of relief shading         (or "hill
 *              shading") to a DEM raster to give it somewhat of a
 *              three-dimensional effect and to make elevation changes more
 *              visible.       </xsd:documentation>
 *      </xsd:annotation>
 *      <xsd:complexType>
 *          <xsd:sequence>
 *              <xsd:element ref="sld:BrightnessOnly" minOccurs="0"/>
 *              <xsd:element ref="sld:ReliefFactor" minOccurs="0"/>
 *          </xsd:sequence>
 *      </xsd:complexType>
 *  </xsd:element>
 *
 *          </code>
 *         </pre>
 * </p>
 *
 * @generated
 *
 * @source $URL$
 */
public class SLDShadedReliefBinding extends AbstractComplexBinding {
    StyleFactory styleFactory;
    FilterFactory filterFactory;

    public SLDShadedReliefBinding(StyleFactory styleFactory, FilterFactory filterFactory) {
        this.styleFactory = styleFactory;
        this.filterFactory = filterFactory;
    }

    /**
     * @generated
     */
    public QName getTarget() {
        return SLD.SHADEDRELIEF;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     *
     * @generated modifiable
     */
    public int getExecutionMode() {
        return AFTER;
    }

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

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     *
     * @generated modifiable
     */
    public void initialize(ElementInstance instance, Node node, MutablePicoContainer context) {
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     *
     * @generated modifiable
     */
    public Object parse(ElementInstance instance, Node node, Object value)
        throws Exception {
        Expression reliefFactor = null;

        if (node.hasChild("ReliefFactor")) {
            Double d = (Double) node.getChildValue("ReliefFactor");
            reliefFactor = (Expression) filterFactory.literal(d.doubleValue());
        }

        ShadedRelief shadedRelief = styleFactory.createShadedRelief(reliefFactor);

        if (node.hasChild("BrightnessOnly")) {
            Boolean b = (Boolean) node.getChildValue("BrightnessOnly");
            shadedRelief.setBrightnessOnly(b.booleanValue());
        }

        return shadedRelief;
    }
}