/**

       * publish shape file to layer

       * */

      private void publishShapeFile(File shpDir, String schemaName){

          final CatalogBuilder catalogBuilder = new CatalogBuilder(catalog);

          //create FeatureSource

          String shapePath = shpDir.getAbsolutePath() + "/" + schemaName + ".shp";

          ShapefileDataStoreFactory dataStoreFactory = new ShapefileDataStoreFactory();

         ShapefileDataStore sds = null;

         try {

             URL shpUrl = new File(shapePath).toURI().toURL();

             sds = (ShapefileDataStore)dataStoreFactory.createDataStore(shpUrl);

             SimpleFeatureSource featureSource = sds.getFeatureSource();

             //check exist

             DataStoreInfo dsInfo = catalog.getDataStoreByName(schemaName);

             if(dsInfo == null){

                 dsInfo = catalogBuilder.buildDataStore(schemaName);

                 dsInfo.setType("Shapefile");

                 Map<String, Serializable> connectionParams = new HashMap<String, Serializable>();

                 connectionParams.put("charset", sds.getCharset().toString());

                 connectionParams.put("filetype", "shapefile");

                 connectionParams.put("create spatial index", true);

                 connectionParams.put("memory mapped buffer", false);

                 connectionParams.put("timezone", "PRC");

                 connectionParams.put("enable spatial index", true);

                 connectionParams.put("namespace", catalog.getDefaultNamespace().getURI());

                 connectionParams.put("cache and reuse memory maps", true);

                 connectionParams.put("fstype", "shape");

                 connectionParams.put("url", shpUrl.toString());

                 dsInfo.getConnectionParameters().putAll(connectionParams);

                 catalog.save(dsInfo);

             }

             catalogBuilder.setStore(dsInfo);

             //check exist

             FeatureTypeInfo ftInfo = catalog.getFeatureTypeByDataStore(dsInfo, featureSource.getName().getLocalPart());

             if(ftInfo == null){

                 ftInfo = catalogBuilder.buildFeatureType(featureSource);

                 catalogBuilder.setupBounds(ftInfo, featureSource);

                 catalog.add(ftInfo);

             }

             //check exist

             LayerInfo lInfo = catalog.getLayerByName(ftInfo.getName());

             if(lInfo == null){

                 lInfo = catalogBuilder.buildLayer(ftInfo);

                 //set custom style “ammeter”

                 StyleInfo styleInfo = catalog.getStyleByName("ammeter");

                 if(styleInfo != null)

                     lInfo.setDefaultStyle(styleInfo);

                 catalog.add(lInfo);

             }

         } catch (Exception e) {

             e.printStackTrace();

         }finally{

             sds.dispose();

         }

     }