Application: gvSIG desktop » gvSIG tools: ToolBox

package es.unex.sextante.vectorTools.cleanVectorLayer;

import es.unex.sextante.additionalInfo.AdditionalInfoVectorLayer;

import es.unex.sextante.core.GeoAlgorithm;

import es.unex.sextante.core.Sextante;

import es.unex.sextante.dataObjects.IFeature;

import es.unex.sextante.dataObjects.IFeatureIterator;

import es.unex.sextante.dataObjects.IVectorLayer;

import es.unex.sextante.exceptions.GeoAlgorithmExecutionException;

import es.unex.sextante.exceptions.RepeatedParameterNameException;

import es.unex.sextante.outputs.OutputVectorLayer;

public class CleanVectorLayerAlgorithm

         extends

            GeoAlgorithm {

   private static final String LAYER  = "LAYER";

   private static final String RESULT = "RESULT";

   @Override

   public boolean processAlgorithm() throws GeoAlgorithmExecutionException {

      int iWrongShapes = 0;

      final IVectorLayer layer = m_Parameters.getParameterValueAsVectorLayer(LAYER);

      final IVectorLayer output = getNewVectorLayer(RESULT, Sextante.getText("Result"), layer.getShapeType(),

               layer.getFieldTypes(), layer.getFieldNames());

      final int iShapeCount = layer.getShapesCount();

      int i = 0;

      final IFeatureIterator iter = layer.iterator();

      while (iter.hasNext() && setProgress(i, iShapeCount)) {

         try {

            final IFeature feature = iter.next();

            output.addFeature(feature);

         }

         catch (final Exception e) {

            iWrongShapes++;

         }

         i++;

      }

      String sInfo = Sextante.getText("Eliminados_N_Registros_erroneos)");

      sInfo = sInfo.replace("XXX", Integer.toString(iWrongShapes));

      Sextante.addInfoToLog(sInfo);

      return !m_Task.isCanceled();

   }

   @Override

   public void defineCharacteristics() {

      setName(Sextante.getText("Clean_vector_layer"));

      setGroup(Sextante.getText("Tools_for_vector_layers"));

      setUserCanDefineAnalysisExtent(false);

      try {

         m_Parameters.addInputVectorLayer(LAYER, Sextante.getText("Layer"), AdditionalInfoVectorLayer.SHAPE_TYPE_ANY, true);

         addOutputVectorLayer(RESULT, Sextante.getText("Result"), OutputVectorLayer.SHAPE_TYPE_UNDEFINED, LAYER);

      }

      catch (final RepeatedParameterNameException e) {

         Sextante.addErrorToLog(e);

      }

   }

}