/*
* 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.internal.layer.vector;
import java.util.ArrayList;
import java.util.List;
import org.geomajas.geometry.CrsTransform;
import org.geomajas.global.GeomajasException;
import org.geomajas.layer.feature.InternalFeature;
import org.geomajas.layer.pipeline.GetTileContainer;
import org.geomajas.layer.tile.InternalTile;
import org.geomajas.service.GeoService;
import org.geomajas.service.pipeline.PipelineCode;
import org.geomajas.service.pipeline.PipelineContext;
import org.geomajas.service.pipeline.PipelineStep;
import org.springframework.beans.factory.annotation.Autowired;
/**
* Transform the features in a tile to map coordinates.
*
* @author Joachim Van der Auwera
* @author Jan De Moerloose
*/
public class GetTileTransformStep implements PipelineStep<GetTileContainer> {
private String id;
@Autowired
private GeoService geoService;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public void execute(PipelineContext context, GetTileContainer response) throws GeomajasException {
// Determine transformation to apply
InternalTile tile = response.getTile();
CrsTransform transform = context.get(PipelineCode.CRS_TRANSFORM_KEY, CrsTransform.class);
// convert feature geometries to layer, need to copy to assure cache is not affected
List<InternalFeature> features = new ArrayList<InternalFeature>();
for (InternalFeature feature : tile.getFeatures()) {
if (null != feature.getGeometry()) {
InternalFeature newFeature = feature.cloneWithoutGeometry();
newFeature.setGeometry(geoService.transform(feature.getGeometry(), transform));
features.add(newFeature);
}
}
// replace the contents of the list
tile.setFeatures(features);
}
}