/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.plugin.rasterizing.layer;
import java.util.ArrayList;
import java.util.List;
import org.geomajas.configuration.client.ClientLayerInfo;
import org.geomajas.geometry.Geometry;
import org.geomajas.global.GeomajasException;
import org.geomajas.layer.LayerType;
import org.geomajas.plugin.rasterizing.api.LayerFactory;
import org.geomajas.plugin.rasterizing.api.StyleFactoryService;
import org.geomajas.plugin.rasterizing.command.dto.ClientGeometryLayerInfo;
import org.geomajas.service.DtoConverterService;
import org.geotools.map.Layer;
import org.geotools.map.MapContext;
import org.geotools.styling.FeatureTypeStyle;
import org.geotools.styling.Rule;
import org.geotools.styling.Style;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
/**
* This factory creates a GeoTools layer that is capable of writing geometries.
*
* @author Jan De Moerloose
*/
@Component
public class GeometryLayerFactory implements LayerFactory {
@Autowired
private StyleFactoryService styleFactoryService;
@Autowired
private DtoConverterService converterService;
public boolean canCreateLayer(MapContext mapContext, ClientLayerInfo clientLayerInfo) {
return clientLayerInfo instanceof ClientGeometryLayerInfo;
}
public Layer createLayer(MapContext mapContext, ClientLayerInfo clientLayerInfo) throws GeomajasException {
if (!(clientLayerInfo instanceof ClientGeometryLayerInfo)) {
throw new IllegalStateException(
"GeometryLayerFactory.createLayer() should only be called using ClientGeometryLayerInfo");
}
ClientGeometryLayerInfo layerInfo = (ClientGeometryLayerInfo) clientLayerInfo;
LayerType layerType = layerInfo.getLayerType();
Style style = styleFactoryService.createStyle(layerType, layerInfo.getStyle());
GeometryDirectLayer layer = new GeometryDirectLayer(style, converterService.toInternal(layerType));
for (Geometry geom : layerInfo.getGeometries()) {
layer.getGeometries().add(converterService.toInternal(geom));
}
layer.getUserData().put(USERDATA_KEY_SHOWING, layerInfo.isShowing());
layer.setTitle(layerInfo.getLabel());
List<Rule> rules = new ArrayList<Rule>();
// all rules are needed for map/legend
for (FeatureTypeStyle fts : style.featureTypeStyles()) {
for (Rule rule : fts.rules()) {
rules.add(rule);
}
}
layer.getUserData().put(USERDATA_KEY_STYLE_RULES, rules);
return layer;
}
}