/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.layer.geotools;
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
import org.geomajas.layer.geotools.postgis.NonTypedPostgisFidMapperFactory;
import org.geotools.data.DataStore;
import org.geotools.data.DataStoreFactorySpi;
import org.geotools.data.DataStoreFinder;
import org.geotools.data.jdbc.JDBCDataStore;
import org.geotools.data.postgis.PostgisDataStore;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.ResourceUtils;
/**
* A simple utility factory for injecting a {@link DataStore} via Spring.
*
* @author Jan De Moerloose
*/
public final class DataStoreFactory {
/**
* Protect construction.
*/
private DataStoreFactory() {
}
/**
* Creates a suitable {@link DataStore} for the specified parameters.
*
* @param parameters
* list of GeoTools parameters.
* @return data store
* @throws IOException
* oops
*/
public static DataStore create(Map<String, String> parameters) throws IOException {
String url = parameters.get("url");
if (url != null) {
parameters.put("url", ResourceUtils.getURL(url).toExternalForm());
}
DataStore store = DataStoreFinder.getDataStore(parameters);
if (store instanceof PostgisDataStore) {
PostgisDataStore jdbcStore = (PostgisDataStore) store;
jdbcStore.setFIDMapperFactory(new NonTypedPostgisFidMapperFactory(false));
} else if (store instanceof JDBCDataStore) {
JDBCDataStore jdbcStore = (JDBCDataStore) store;
jdbcStore.setFIDMapperFactory(new NonTypedFidMapperFactory());
}
if (store == null) {
StringBuilder availableStr = new StringBuilder();
StringBuilder missingStr = new StringBuilder();
Iterator<DataStoreFactorySpi> all = DataStoreFinder.getAllDataStores();
Logger log = LoggerFactory.getLogger(DataStoreFactory.class);
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");
}
return store;
}
}