/*
* 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 org.picocontainer.MutablePicoContainer;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import javax.xml.namespace.QName;
import org.geotools.styling.ChannelSelection;
import org.geotools.styling.SelectedChannelType;
import org.geotools.styling.StyleFactory;
import org.geotools.xml.*;
/**
* Binding object for the element http://www.opengis.net/sld:ChannelSelection.
*
* <p>
*
* <pre>
* <code>
* <xsd:element name="ChannelSelection">
* <xsd:annotation>
* <xsd:documentation> "ChannelSelection"
* specifies the false-color channel selection for a
* multi-spectral raster source. </xsd:documentation>
* </xsd:annotation>
* <xsd:complexType>
* <xsd:choice>
* <xsd:sequence>
* <xsd:element ref="sld:RedChannel"/>
* <xsd:element ref="sld:GreenChannel"/>
* <xsd:element ref="sld:BlueChannel"/>
* </xsd:sequence>
* <xsd:element ref="sld:GrayChannel"/>
* </xsd:choice>
* </xsd:complexType>
* </xsd:element>
*
*
* </code>
* </pre>
*
* </p>
*
* @generated
*
* @source $URL$
*/
public class SLDChannelSelectionBinding extends AbstractComplexBinding {
StyleFactory styleFactory;
public SLDChannelSelectionBinding(StyleFactory styleFactory) {
this.styleFactory = styleFactory;
}
/**
* @generated
*/
public QName getTarget() {
return SLD.CHANNELSELECTION;
}
/**
* <!-- 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 ChannelSelection.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 {
if ((node.getChild("RedChannel") == null) || (node.getChild("BlueChannel") == null)
|| (node.getChild("GreenChannel") == null)
|| (node.getChild("GrayChannel") == null)) {
String msg = "All of Red,Blue,Green,Gray must be specified";
throw new RuntimeException(msg);
}
SelectedChannelType[] rgb = new SelectedChannelType[] {
(SelectedChannelType) node.getChildValue("RedChannel"),
(SelectedChannelType) node.getChildValue("GreenChannel"),
(SelectedChannelType) node.getChildValue("BlueChannel")
};
SelectedChannelType gray = (SelectedChannelType) node.getChildValue("GrayChannel");
ChannelSelection cs = styleFactory.createChannelSelection(null);
cs.setGrayChannel(gray);
cs.setRGBChannels(rgb);
return cs;
}
}