String path1="D:\\Temp\\mapdata\\cntry02\\cntry02.shp";
VectorLayer layer = LayerFactory.openShapeFile(path1,1);
layer.setDefaultStyle(new Symbol[]{new GeneralSymbol(),new LabelSymbol()});
//reproj
CoordinateRef target = new CoordinateRef();
target.setProjection(new Mercator());
ReProjOp.changeCRS(layer.getFeatures(), target);
return layer;
}