Beanshell:Removing repeated points in selected layers feature geometries

This scrit remove repeated points in every geometry of the selected layers.

{
// Script removing repeated points
// in selected layers feature geometries
// Michaël Michaud 22/10/2005

// Create a GeometryFactory to build new Geometries 
GeometryFactory gf = new GeometryFactory();
// Point filter (may be called by GeometryCollection filter)
filter(Point geom) {return geom;}
// LineString filter
filter(LineString geom) {
  return gf.createLineString(CoordinateArrays.removeRepeatedPoints(geom.coordinates));
}
// Polygon filter
filter(Polygon geom) {
  shell = gf.createLinearRing(CoordinateArrays.removeRepeatedPoints(geom.exteriorRing.coordinates));
  holes = new LinearRing[geom.numInteriorRing];
  for (int i = 0 ; i < geom.numInteriorRing ; i++) {
    hole[i] = CoordinateArrays.removeRepeatedPoints(geom.getInteriorRingN(i).coordinates);
  }
  return gf.createPolygon(shell, holes);
}
// GeometryCollection filter
filter(GeometryCollection geom) {
  geoms = new Geometry[geom.numGeometries];
  for (int i = 0 ; i < geom.numGeometries ; i++) {
    geoms[i] = filter(geom.getGeometryN(i));
  }
  return gf.createGeometryCollection(geoms);
}
// Iterator over features of selected layer
for (layer : wc.layerNamePanel.selectedLayers) {
  for (f : layer.featureCollectionWrapper.features) {
    f.setGeometry(filter(f.geometry));
  }
}
}