/*
* 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 org.geomajas.global.ExceptionCode;
import org.geomajas.global.GeomajasException;
import org.geomajas.layer.VectorLayer;
import org.geomajas.layer.feature.InternalFeature;
import org.geomajas.security.GeomajasSecurityException;
import org.geomajas.service.pipeline.PipelineCode;
import org.geomajas.service.pipeline.PipelineContext;
import org.opengis.filter.Filter;
/**
* Handle possible delete of an individual feature in saveOrUpdate.
* <p/>
* If the feature is deleted, the pipeline is finished.
*
* @author Joachim Van der Auwera
*/
public class SaveOrUpdateDeleteStep extends AbstractSaveOrUpdateStep {
public void execute(PipelineContext context, Object response) throws GeomajasException {
InternalFeature newFeature = context.getOptional(PipelineCode.FEATURE_KEY, InternalFeature.class);
if (null == newFeature) {
// delete ?
InternalFeature oldFeature = context.getOptional(PipelineCode.OLD_FEATURE_KEY, InternalFeature.class);
if (null != oldFeature) {
String layerId = context.get(PipelineCode.LAYER_ID_KEY, String.class);
if (securityContext.isFeatureDeleteAuthorized(layerId, oldFeature)) {
VectorLayer layer = context.get(PipelineCode.LAYER_KEY, VectorLayer.class);
Object featureObj = layer.read(oldFeature.getId());
if (null != featureObj) {
Filter securityFilter = getSecurityFilter(layer,
securityContext.getDeleteAuthorizedArea(layerId));
if (securityFilter.evaluate(featureObj)) {
layer.delete(oldFeature.getId());
} else {
throw new GeomajasSecurityException(ExceptionCode.FEATURE_DELETE_PROHIBITED,
oldFeature.getId(), securityContext.getUserId());
}
}
} else {
throw new GeomajasSecurityException(ExceptionCode.FEATURE_DELETE_PROHIBITED,
oldFeature.getId(), securityContext.getUserId());
}
}
context.setFinished(true); // stop pipeline execution
}
}
}