Java Code Examples for org.geotools.data.DataStoreFinder#getDataStore()

public static SimpleFeature resourceToFeature(final URL filterResource) throws IOException {
  final Map<String, Object> map = new HashMap<>();
  DataStore dataStore = null;
  map.put("url", filterResource);
  final SimpleFeature savedFilter;
  SimpleFeatureIterator sfi = null;
  try {
    dataStore = DataStoreFinder.getDataStore(map);
    if (dataStore == null) {
      LOGGER.error("Could not get dataStore instance, getDataStore returned null");
      throw new IOException("Could not get dataStore instance, getDataStore returned null");
    }
    // just grab the first feature and use it as a filter
    sfi = dataStore.getFeatureSource(dataStore.getNames().get(0)).getFeatures().features();
    savedFilter = sfi.next();

  } finally {
    if (sfi != null) {
      sfi.close();
    }
    if (dataStore != null) {
      dataStore.dispose();
    }
  }
  return savedFilter;
}
 

/**
 * Loads the shape file from the configuration path and returns the
 * feature collection associated according to the configuration.
 *
 * @param shapePath with the path to the shapefile.
 * @param featureString with the featureString to filter.
 *
 * @return FeatureCollection with the collection of features filtered.
 */
private FeatureCollection getShapeFileFeatureCollection(String shapePath, String featureString) throws IOException 
{
  File file = new File(shapePath);

  // Create the map with the file URL to be passed to DataStore.
  Map map = new HashMap();
  try {
    map.put("url", file.toURL());
  } catch (MalformedURLException ex) {
    Logger.getLogger(ShpConnector.class.getName()).log(Level.SEVERE, null, ex);
  }
  if (map.size() > 0) {
    DataStore dataStore = DataStoreFinder.getDataStore(map);
    FeatureSource featureSource = dataStore.getFeatureSource(featureString);
    return featureSource.getFeatures();
  }
  return null;
}
 

private static Set<MultiPolygon> initializeFrom(File shapeFile) throws IOException {
    URL shapeFileURL = shapeFile.toURI().toURL();
    Map<String, URL> inputMap = new HashMap<>();
    inputMap.put("url", shapeFileURL);

    DataStore dataStore = DataStoreFinder.getDataStore(inputMap);
    SimpleFeatureSource featureSource = dataStore.getFeatureSource(dataStore.getTypeNames()[0]);
    SimpleFeatureCollection collection = DataUtilities.collection(featureSource.getFeatures());
    dataStore.dispose();

    Set<MultiPolygon> polygons = new HashSet<>();
    SimpleFeatureIterator iterator = collection.features();
    while (iterator.hasNext())
        polygons.add((MultiPolygon) iterator.next().getDefaultGeometry());
    return polygons;
}
 

public List<GeneralResultRow> getData(String tablename) throws Exception {
	if (cacheList.containsKey(tablename)) {
		return cacheList.get(tablename);
	} else if (cacheList.containsKey(tablename.replaceAll("_geometry", ""))) {
		return cacheList.get(tablename.replaceAll("_geometry", ""));
	}
	DataStore dataStore = null;
	List<GeneralResultRow> result = null;
	try {
		Map<String, URL> connect = new HashMap<String, URL>();
		connect.put("url", shapefile.toURI().toURL());
		dataStore = DataStoreFinder.getDataStore(connect);
		FeatureSource<?, ?> featureSource = dataStore.getFeatureSource(tablename
				.replaceAll("_geometry", ""));
		if (featureSource != null) {
			result = getData(featureSource);
		}
	} catch (Exception ex) {
		ex.printStackTrace();
	} finally {
		dataStore.dispose();
	}
	cacheList.put(tablename.replaceAll("_geometry", ""), result);
	return result;
}
 

@Override
public boolean connect() {
    connected = false;

    Map<String, Object> params = getDBConnectionParams();

    try {
        DataStore dataStore = DataStoreFinder.getDataStore(params);

        if (dataStore != null) {
            connectToDatastore(dataStore);
        } else {
            String message =
                    String.format(
                            "%s : %s",
                            Localisation.getString(
                                    DatabaseClient.class, "DatabaseClient.noDriver"),
                            (connection == null)
                                    ? "No connection"
                                    : connection.getConnectionName());
            ConsoleManager.getInstance().error(this, message);
        }
    } catch (IOException e) {
        ConsoleManager.getInstance().exception(this, e);
    }

    return connected;
}
 

/** Test method for {@link com.sldeditor.datasource.impl.DataSourceInfo#getFeatures()}. */
@SuppressWarnings({"unchecked", "rawtypes"})
@Test
public void testGetFeatures() {
    URL url =
            SLDEditorFile.class
                    .getClassLoader()
                    .getResource("point/sld/shp/sld_cookbook_point.shp");

    Map map = new HashMap();
    map.put("url", url);
    DataStore dataStore;
    try {
        dataStore = DataStoreFinder.getDataStore(map);

        DataSourceInfo dsInfo = new DataSourceInfo();

        String typeName = dataStore.getTypeNames()[0];
        dsInfo.setTypeName(typeName);
        SimpleFeatureSource source = dataStore.getFeatureSource(typeName);
        SimpleFeatureType schema = source.getSchema();

        assertNull(dsInfo.getFeatures());
        dsInfo.setSchema(schema);

        assertNull(dsInfo.getFeatures());
        dsInfo.setDataStore(dataStore);

        assertTrue(dsInfo.getFeatures() != null);
    } catch (IOException e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}
 

/**
 * Test method for {@link com.sldeditor.datasource.impl.DataSourceInfo#getFeatureCollection()}.
 */
@SuppressWarnings({"unchecked", "rawtypes"})
@Test
public void testGetFeatureCollection() {
    URL url =
            SLDEditorFile.class
                    .getClassLoader()
                    .getResource("point/sld/shp/sld_cookbook_point.shp");

    Map map = new HashMap();
    map.put("url", url);
    DataStore dataStore;
    try {
        dataStore = DataStoreFinder.getDataStore(map);

        DataSourceInfo dsInfo = new DataSourceInfo();

        String typeName = dataStore.getTypeNames()[0];
        dsInfo.setTypeName(typeName);
        SimpleFeatureSource source = dataStore.getFeatureSource(typeName);
        SimpleFeatureType schema = source.getSchema();

        assertNull(dsInfo.getGeometryFieldName());
        dsInfo.setSchema(schema);

        assertEquals("the_geom", dsInfo.getGeometryFieldName());
    } catch (IOException e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}
 

/**
 * Test method for {@link
 * com.sldeditor.datasource.impl.DataSourceInfo#getPropertyDescriptorList()}.
 */
@SuppressWarnings({"unchecked", "rawtypes"})
@Test
public void testGetPropertyDescriptorList() {
    URL url =
            SLDEditorFile.class
                    .getClassLoader()
                    .getResource("point/sld/shp/sld_cookbook_point.shp");

    Map map = new HashMap();
    map.put("url", url);
    DataStore dataStore;
    try {
        dataStore = DataStoreFinder.getDataStore(map);

        DataSourceInfo dsInfo = new DataSourceInfo();

        String typeName = dataStore.getTypeNames()[0];
        dsInfo.setTypeName(typeName);
        SimpleFeatureSource source = dataStore.getFeatureSource(typeName);
        SimpleFeatureType schema = source.getSchema();

        assertNull(dsInfo.getPropertyDescriptorList());
        dsInfo.setSchema(schema);

        Collection<PropertyDescriptor> fieldList = dsInfo.getPropertyDescriptorList();

        assertTrue(fieldList.size() == 3);
    } catch (IOException e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}
 

/**
 * Test method for {@link com.sldeditor.datasource.impl.DataSourceInfo#getGeometryFieldName()}.
 */
@SuppressWarnings({"unchecked", "rawtypes"})
@Test
public void testGetGeometryFieldName() {
    URL url =
            SLDEditorFile.class
                    .getClassLoader()
                    .getResource("point/sld/shp/sld_cookbook_point.shp");

    Map map = new HashMap();
    map.put("url", url);
    DataStore dataStore;
    try {
        dataStore = DataStoreFinder.getDataStore(map);

        DataSourceInfo dsInfo = new DataSourceInfo();

        String typeName = dataStore.getTypeNames()[0];
        dsInfo.setTypeName(typeName);
        SimpleFeatureSource source = dataStore.getFeatureSource(typeName);
        SimpleFeatureType schema = source.getSchema();

        assertNull(dsInfo.getGeometryFieldName());
        dsInfo.setSchema(schema);

        assertEquals("the_geom", dsInfo.getGeometryFieldName());
    } catch (IOException e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}
 

private static FeatureSource<SimpleFeatureType, SimpleFeature> getFeatureSource(File file) throws IOException {
    Map<String, Object> map = new HashMap<String, Object>();
    map.put(ShapefileDataStoreFactory.URLP.key, file.toURI().toURL());
    map.put(ShapefileDataStoreFactory.CREATE_SPATIAL_INDEX.key, Boolean.TRUE);
    DataStore shapefileStore = DataStoreFinder.getDataStore(map);
    String typeName = shapefileStore.getTypeNames()[0]; // Shape files do only have one type name
    FeatureSource<SimpleFeatureType, SimpleFeature> featureSource;
    featureSource = shapefileStore.getFeatureSource(typeName);
    return featureSource;
}
 

private static DataStore createDataStore(final Configuration conf) throws IOException {
    // get the configuration parameters
    final Instance instance = ConfigUtils.getInstance(conf);
    final boolean useMock = instance instanceof MockInstance;
    final String instanceId = instance.getInstanceName();
    final String zookeepers = instance.getZooKeepers();
    final String user = ConfigUtils.getUsername(conf);
    final String password = ConfigUtils.getPassword(conf);
    final String auths = ConfigUtils.getAuthorizations(conf).toString();
    final String tableName = getTableName(conf);
    final int numParitions = OptionalConfigUtils.getGeoNumPartitions(conf);

    final String featureSchemaFormat = "%~#s%" + numParitions + "#r%" + FEATURE_NAME
            + "#cstr%0,3#gh%yyyyMMdd#d::%~#s%3,2#gh::%~#s%#id";
    // build the map of parameters
    final Map<String, Serializable> params = new HashMap<String, Serializable>();
    params.put("instanceId", instanceId);
    params.put("zookeepers", zookeepers);
    params.put("user", user);
    params.put("password", password);
    params.put("auths", auths);
    params.put("tableName", tableName);
    params.put("indexSchemaFormat", featureSchemaFormat);
    params.put("useMock", Boolean.toString(useMock));

    // fetch the data store from the finder
    return DataStoreFinder.getDataStore(params);
}
 

public DataStore Connect(final IScope scope) throws Exception {
	final Map<String, Object> connectionParameters = createConnectionParams(scope);
	DataStore dStore;
	dStore = DataStoreFinder.getDataStore(connectionParameters); // get
																	// connection
	// DEBUG.LOG("data store postgress:" + dStore);
	if (dStore == null) { throw new IOException("Can't connect to " + database); }
	return dStore;
}
 

public void run() throws IOException {
	Map<String, URL> connect = new HashMap<String, URL>();
	connect.put("url", new File(pathToShapefile).toURI().toURL());
	DataStore dataStore = DataStoreFinder.getDataStore(connect);
	String[] typeNames = dataStore.getTypeNames();
	for (int i = 0; i < typeNames.length; ++i) {
		String typeName = typeNames[i];
		triplesMaps.put(typeName, "");
		triplesMaps.put(typeName, triplesMaps.get(typeName) + printTriplesMap(typeName));
		triplesMaps.put(typeName, triplesMaps.get(typeName) + printLogicalSource(typeName));
		triplesMaps.put(typeName, triplesMaps.get(typeName) + printSubjectMap(baseURI, typeName));
		FeatureSource<?, ?> featureSource = dataStore.getFeatureSource(typeName);

		FeatureType ft = featureSource.getSchema();
		String typeNameGeo = typeNames[i] + "_Geometry";
		for (PropertyDescriptor property : ft.getDescriptors()) {

			String identifier = property.getName().getLocalPart();
			if (identifier.equals("the_geom")) {
				continue;
			}
			String datatype = TranslateDataTypeToXSD((property.getType().getBinding().getName()));
			Query q = new Query();
			triplesMaps.put(typeName, triplesMaps.get(typeName)
					+ printPredicateObjectMap(identifier, identifier, datatype, typeName));

		}
		// triplesMaps.put(typeName,
		// triplesMaps.get(typeName) + printPredicateObjectMap(true,
		// "hasGeometry",
		// baseURI + (baseURI.endsWith("/") ? "" : "/") + typeNameGeo +
		// "/{GeoTriplesID}", null,
		// typeName, true));
		triplesMaps
				.put(typeName,
						triplesMaps.get(typeName) + printPredicateObjectMap(true, "hasGeometry",
								baseURI + (baseURI.endsWith("/") ? "" : "/") + typeName
										+ "/Geometry/{GeoTriplesID}",
								null, null, "ogc", null, typeName, true, false));
		triplesMaps.put(typeNameGeo, "");
		triplesMaps.put(typeNameGeo, triplesMaps.get(typeNameGeo) + printTriplesMap(typeNameGeo));
		triplesMaps.put(typeNameGeo, triplesMaps.get(typeNameGeo) + printLogicalSource(typeName));
		triplesMaps.put(typeNameGeo, triplesMaps.get(typeNameGeo) + printSubjectMap(baseURI, typeName, null, true));
		triplesMaps.put(typeNameGeo, triplesMaps.get(typeNameGeo) + printGEOPredicateObjectMaps());
	}
	printmapping();
	printontology();
}
 

public static ExpectedResults getExpectedResults(
    final URL[] expectedResultsResources,
    final CoordinateReferenceSystem crs) throws IOException {
  final Map<String, Object> map = new HashMap<>();
  DataStore dataStore = null;
  final Set<Long> hashedCentroids = new HashSet<>();
  int expectedResultCount = 0;
  final MathTransform mathTransform = transformFromCrs(crs);
  final TWKBWriter writer = new TWKBWriter();
  final TWKBReader reader = new TWKBReader();
  for (final URL expectedResultsResource : expectedResultsResources) {
    map.put("url", expectedResultsResource);
    SimpleFeatureIterator featureIterator = null;
    try {
      dataStore = DataStoreFinder.getDataStore(map);
      if (dataStore == null) {
        LOGGER.error("Could not get dataStore instance, getDataStore returned null");
        throw new IOException("Could not get dataStore instance, getDataStore returned null");
      }
      final SimpleFeatureCollection expectedResults =
          dataStore.getFeatureSource(dataStore.getNames().get(0)).getFeatures();

      expectedResultCount += expectedResults.size();
      // unwrap the expected results into a set of features IDs so its
      // easy to check against
      featureIterator = expectedResults.features();
      while (featureIterator.hasNext()) {
        final SimpleFeature feature = featureIterator.next();
        final Geometry geometry = (Geometry) feature.getDefaultGeometry();

        // TODO: Geometry has to be serialized and deserialized here
        // to make the centroid match the one coming out of the
        // database.
        final long centroid =
            hashCentroid(
                reader.read(
                    writer.write(
                        mathTransform != null ? JTS.transform(geometry, mathTransform)
                            : geometry)));
        hashedCentroids.add(centroid);
      }
    } catch (MismatchedDimensionException | TransformException | ParseException e) {
      LOGGER.warn("Unable to transform geometry", e);
      Assert.fail("Unable to transform geometry to CRS: " + crs.toString());
    } finally {
      IOUtils.closeQuietly(featureIterator);
      if (dataStore != null) {
        dataStore.dispose();
      }
    }
  }
  return new ExpectedResults(hashedCentroids, expectedResultCount);
}
 

/**
 * Creates a suitable {@link DataStore} for the specified parameters.
 * 
 * @param parameters list of GeoTools parameters.
 * @return data store, never null
 * @throws IOException could not create data store
 */
public static DataStore create(Map<String, Object> parameters) throws IOException {
	Object url = parameters.get(ShapefileDataStoreFactory.URLP.key);
	Logger log = LoggerFactory.getLogger(DataStoreFactory.class);
	if (url instanceof String) {
		parameters.put(ShapefileDataStoreFactory.URLP.key, ResourceUtils.getURL((String) url).toExternalForm());
	}
	if (DATASTORE_CACHE.containsKey(parameters)) {
		return DATASTORE_CACHE.get(parameters);
	}
	DataStore store = DataStoreFinder.getDataStore(parameters);
	Object typed = parameters.get(USE_TYPED_FIDS);
	if (typed instanceof String) {
		Boolean t = Boolean.valueOf((String) typed);
		if (!t) {
			if (store != null) {
				log.warn("Non-typed FIDs are only supported by first-generation JDBC datastores, "
						+ "using default fid format for datastore class " + store.getClass().getName());
			}
		}
	}
	if (null == store) {
		StringBuilder availableStr = new StringBuilder();
		StringBuilder missingStr = new StringBuilder();
		Iterator<DataStoreFactorySpi> all = DataStoreFinder.getAllDataStores();
		while (all.hasNext()) {
			DataStoreFactorySpi factory = all.next();
			if (!factory.isAvailable()) {
				log.warn("Datastore factory " + factory.getDisplayName() + "(" + factory.getDescription()
						+ ") is not available");
				if (missingStr.length() != 0) {
					missingStr.append(",");
				}
				missingStr.append(factory.getDisplayName());
			} else {
				if (availableStr.length() != 0) {
					availableStr.append(",");
				}
				availableStr.append(factory.getDisplayName());
			}
		}
		throw new IOException(
				"No datastore found. Possible causes are missing factory or missing library for your datastore"
						+ " (e.g. database driver).\nCheck the isAvailable() method of your"
						+ " DataStoreFactory class to find out which libraries are needed.\n"
						+ "Unavailable factories : " + missingStr + "\n" + "Available factories : " + availableStr
						+ "\n");
	}
	DATASTORE_CACHE.put(parameters, store);
	return store;
}
 

public List<TableDef> getTablesDefs() throws Exception {
	DataStore dataStore = null;
	List<ColumnDef> columns = null;
	TableDef onlytable = null;
	Set<Key> primkeys = new HashSet<Key>();
	List<TableDef> tables = new ArrayList<TableDef>();
	try {
		Map<String, URL> connect = new HashMap<String, URL>();
		connect.put("url", shapefile.toURI().toURL());
		dataStore = DataStoreFinder.getDataStore(connect);
		String[] typeNames = dataStore.getTypeNames();
		for (int i = 0; i < typeNames.length; ++i) {
			String typeName = typeNames[i];
			FeatureSource<?, ?> featureSource = dataStore.getFeatureSource(typeName);

			FeatureType ft = featureSource.getSchema();
			columns = new ArrayList<ColumnDef>();
			for (PropertyDescriptor property : ft.getDescriptors()) {

				Identifier identifier = Identifier.createDelimited(property.getName().getLocalPart());
				DataType datatype = TableDefUtils
						.TranslateDataTypeToSQLType((property.getType().getBinding().getName()));
				ColumnDef col = new ColumnDef(identifier, datatype, property.isNillable());
				columns.add(col);
			}
			// Identifier identifier = Identifier.createDelimited("gid");
			// ColumnDef col = new ColumnDef(identifier,
			// TranslateDataTypeToSQLType("Int"), false);
			// columns.add(col);
			// primkeys.add(Key.create(identifier));
			TableName tablename = TableName.create(null, null,
					Identifier.create(true, dataStore.getTypeNames()[0]));
			onlytable = new TableDef(tablename, columns, null, primkeys, new HashSet<ForeignKey>());
			tables.add(onlytable);
		}

	} catch (Throwable e) {
		throw new Exception(e.getMessage());
	} finally {
		dataStore.dispose();

	}
	return tables;

}
 

public List<TableDef> getTablesDefs() throws Exception {
	DataStore dataStore = null;
	List<ColumnDef> columns = null;
	TableDef onlytable = null;
	Set<Key> primkeys = new HashSet<Key>();
	List<TableDef> tables = new ArrayList<TableDef>();
	try {
		Map<String, URL> connect = new HashMap<String, URL>();
		connect.put("url", shapefile.toURI().toURL());
		dataStore = DataStoreFinder.getDataStore(connect);
		String[] typeNames = dataStore.getTypeNames();
		for (int i = 0; i < typeNames.length; ++i) {
			String typeName = typeNames[i];
			FeatureSource<?, ?> featureSource = dataStore
					.getFeatureSource(typeName);

			FeatureType ft = featureSource.getSchema();
			columns = new ArrayList<ColumnDef>();
			for (PropertyDescriptor property : ft.getDescriptors()) {

				Identifier identifier = Identifier.createDelimited(property
						.getName().getLocalPart());
				DataType datatype = TableDefUtils.TranslateDataTypeToSQLType((property
						.getType().getBinding().getName()));
				ColumnDef col = new ColumnDef(identifier, datatype,
						property.isNillable());
				columns.add(col);
			}
			//Identifier identifier = Identifier.createDelimited("gid");
			//ColumnDef col = new ColumnDef(identifier, TranslateDataTypeToSQLType("Int"), false);
			//columns.add(col);
			//primkeys.add(Key.create(identifier));
			TableName tablename = TableName.create(null, null,
					Identifier.create(true, dataStore.getTypeNames()[0]));
			onlytable = new TableDef(tablename, columns, null, primkeys,
					new HashSet<ForeignKey>());
			tables.add(onlytable);
		}

	} catch (Throwable e) {
		throw new Exception(e.getMessage());
	} finally {
		dataStore.dispose();

	}
	return tables;

}
 

/**
 * Connect.
 *
 * @param typeName the type name
 * @param geometryFieldName the geometry field name
 * @param editorFile the editor file
 * @return the list of datastores
 */
@Override
public List<DataSourceInfo> connect(
        String typeName, String geometryFieldName, SLDEditorFileInterface editorFile) {
    List<DataSourceInfo> dataSourceInfoList = new ArrayList<>();
    dataSourceInfoList.add(dsInfo);

    dsInfo.reset();

    if (editorFile != null) {
        SLDDataInterface sldData = editorFile.getSLDData();

        DataSourcePropertiesInterface dataSourceProperties = sldData.getDataSourceProperties();

        Map<String, Object> map = dataSourceProperties.getConnectionProperties();

        if (dataSourceProperties.hasPassword()) {
            String password = dataSourceProperties.getPassword();

            if (password == null) {
                dataSourceProperties.setPassword("dummy password");

                map = dataSourceProperties.getConnectionProperties();
            }
        }

        DataStore dataStore = null;
        try {
            dataStore = DataStoreFinder.getDataStore(map);

            if (dataStore != null) {
                // Try connecting to a vector data source
                connectToVectorDataSource(typeName, dataStore);
            } else {
                // Try connecting to a raster data source
                connectToRasterDataSource(map);
            }
        } catch (IOException e) {
            ConsoleManager.getInstance().exception(this, e);
        }

        dsInfo.setDataStore(dataStore);

        if (!dsInfo.hasData()) {
            ConsoleManager.getInstance()
                    .error(
                            this,
                            Localisation.getField(
                                            CreateExternalDataSource.class,
                                            "CreateExternalDataSource.failedToConnect")
                                    + dataSourceProperties.getDebugConnectionString());
        }
    }
    return dataSourceInfoList;
}
 

protected DataStore getDataStoreForDatasource(Datasource datasource) throws IOException {
    return DataStoreFinder.getDataStore(getParamsForDatasource(datasource));
}
 

public SeaRouting(int resKM) {
	try {

		//load marnet
		DataStore store = null;
		SimpleFeatureCollection fc = null;
		/*try {
			URL url = getClass().getResource("/marnet/marnet_plus_"+resKM+"km.gpkg");
			HashMap<String, Object> map = new HashMap<>();
			map.put(GeoPkgDataStoreFactory.DBTYPE.key, "geopkg");
			map.put(GeoPkgDataStoreFactory.DATABASE.key, url.getFile());
			map.put("url", url);
			store = DataStoreFinder.getDataStore(map);
			fc = store.getFeatureSource(store.getTypeNames()[0]).getFeatures();
		} catch (Exception e) {*/
			//URL url = new URL(path);
			HashMap<String, Object> map = new HashMap<>();
			map.put(GeoPkgDataStoreFactory.DBTYPE.key, "geopkg");
			map.put(GeoPkgDataStoreFactory.DATABASE.key, "marnet/marnet_plus_"+resKM+"km.gpkg");
			map.put("url", "marnet/marnet_plus_"+resKM+"km.gpkg");
			store = DataStoreFinder.getDataStore(map);
			fc = store.getFeatureSource(store.getTypeNames()[0]).getFeatures();
		//}

		//build graph
		FeatureIterator<?> it = fc.features();
		FeatureGraphGenerator gGen = new FeatureGraphGenerator(new LineStringGraphGenerator());
		while(it.hasNext()) gGen.add(it.next());
		g = gGen.getGraph();
		it.close();
		store.dispose();
	} catch (Exception e) { e.printStackTrace(); }

	//link nodes around the globe
	for(Object o : g.getNodes()){
		Node n = (Node)o;
		Coordinate c = ((Point)n.getObject()).getCoordinate();
		if(c.x==180) {
			Node n_ = getNode(new Coordinate(-c.x,c.y));
			if(LOGGER.isTraceEnabled()) LOGGER.trace(c + " -> " + ((Point)n_.getObject()).getCoordinate());
			BasicEdge be = new BasicEdge(n, n_);
			n.add(be);
			n_.add(be);
			g.getEdges().add(be);
		}
	}

	//define weighters
	defaultWeighter = buildEdgeWeighter(true, true);
	noSuezWeighter = buildEdgeWeighter(false, true);
	noPanamaWeighter = buildEdgeWeighter(true, false);
	noSuezNoPanamaWeighter = buildEdgeWeighter(false, false);
}