/*
* 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 java.util.Iterator;
import java.util.List;
import javax.xml.namespace.QName;
import org.geotools.sld.CssParameter;
import org.geotools.styling.Fill;
import org.geotools.styling.Graphic;
import org.geotools.styling.StyleFactory;
import org.geotools.xml.AbstractComplexBinding;
import org.geotools.xml.ElementInstance;
import org.geotools.xml.Node;
import org.opengis.filter.expression.Expression;
import org.picocontainer.MutablePicoContainer;
/**
* Binding object for the element http://www.opengis.net/sld:Fill.
*
* <p>
* <pre>
* <code>
* <xsd:element name="Fill">
* <xsd:annotation>
* <xsd:documentation> A "Fill" specifies the
* pattern for filling an area geometry. The allowed
* CssParameters are: "fill" (color) and
* "fill-opacity". </xsd:documentation>
* </xsd:annotation>
* <xsd:complexType>
* <xsd:sequence>
* <xsd:element ref="sld:GraphicFill" minOccurs="0"/>
* <xsd:element ref="sld:CssParameter" minOccurs="0" maxOccurs="unbounded"/>
* </xsd:sequence>
* </xsd:complexType>
* </xsd:element>
*
* </code>
* </pre>
* </p>
*
* @generated
*
* @source $URL$
*/
public class SLDFillBinding extends AbstractComplexBinding {
StyleFactory styleFactory;
public SLDFillBinding(StyleFactory styleFactory) {
this.styleFactory = styleFactory;
}
/**
* @generated
*/
public QName getTarget() {
return SLD.FILL;
}
/**
* <!-- 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 Fill.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 color = null;
Expression opacity = null;
Graphic graphicFill = null;
graphicFill = (Graphic) node.getChildValue("GraphicFill");
//"fill" (color)
//"fill-opacity"
List params = node.getChildValues("CssParameter");
for (Iterator itr = params.iterator(); itr.hasNext();) {
CssParameter param = (CssParameter) itr.next();
if ("fill".equals(param.getName())) {
color = (Expression) param.getExpressions().get(0);
}
if ("fill-opacity".equals(param.getName())) {
opacity = (Expression) param.getExpressions().get(0);
}
}
Fill fill = styleFactory.createFill(color);
if (opacity != null) {
fill.setOpacity(opacity);
}
return fill;
}
}