Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/utils/GeometryUtils.java @ 1121:66783d957201
Close open shapefile transactions properly.
flys-artifacts/trunk@2628 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 01 Sep 2011 07:27:44 +0000 |
| parents | faca1825818e |
| children | c07e9e9c7482 |
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| 1120:fb3947027e92 | 1121:66783d957201 |
|---|---|
| 6 import java.net.MalformedURLException; | 6 import java.net.MalformedURLException; |
| 7 import java.util.ArrayList; | 7 import java.util.ArrayList; |
| 8 import java.util.HashMap; | 8 import java.util.HashMap; |
| 9 import java.util.List; | 9 import java.util.List; |
| 10 import java.util.Map; | 10 import java.util.Map; |
| 11 | |
| 12 import org.apache.log4j.Logger; | |
| 11 | 13 |
| 12 import com.vividsolutions.jts.geom.Coordinate; | 14 import com.vividsolutions.jts.geom.Coordinate; |
| 13 import com.vividsolutions.jts.geom.Geometry; | 15 import com.vividsolutions.jts.geom.Geometry; |
| 14 | 16 |
| 15 import org.opengis.feature.simple.SimpleFeature; | 17 import org.opengis.feature.simple.SimpleFeature; |
| 30 import org.geotools.geojson.feature.FeatureJSON; | 32 import org.geotools.geojson.feature.FeatureJSON; |
| 31 import org.geotools.referencing.CRS; | 33 import org.geotools.referencing.CRS; |
| 32 | 34 |
| 33 | 35 |
| 34 public class GeometryUtils { | 36 public class GeometryUtils { |
| 37 | |
| 38 private static final Logger logger = Logger.getLogger(GeometryUtils.class); | |
| 39 | |
| 35 | 40 |
| 36 private GeometryUtils() { | 41 private GeometryUtils() { |
| 37 } | 42 } |
| 38 | 43 |
| 39 | 44 |
| 131 | 136 |
| 132 | 137 |
| 133 public static boolean writeShapefile( | 138 public static boolean writeShapefile( |
| 134 File shape, | 139 File shape, |
| 135 SimpleFeatureType featureType, | 140 SimpleFeatureType featureType, |
| 136 FeatureCollection collection) | 141 FeatureCollection collection |
| 137 throws MalformedURLException, IOException | 142 ) { |
| 138 { | 143 Transaction transaction = null; |
| 139 Map<String, Serializable> params = new HashMap<String, Serializable>(); | |
| 140 params.put("url", shape.toURI().toURL()); | |
| 141 params.put("create spatial index", Boolean.TRUE); | |
| 142 | 144 |
| 143 DataStoreFactorySpi dataStoreFactory = new ShapefileDataStoreFactory(); | 145 try { |
| 146 Map<String, Serializable> params = | |
| 147 new HashMap<String, Serializable>(); | |
| 144 | 148 |
| 145 ShapefileDataStore newDataStore = | 149 params.put("url", shape.toURI().toURL()); |
| 146 (ShapefileDataStore)dataStoreFactory.createNewDataStore(params); | 150 params.put("create spatial index", Boolean.TRUE); |
| 147 newDataStore.createSchema(featureType); | |
| 148 | 151 |
| 149 Transaction transaction = new DefaultTransaction("create"); | 152 DataStoreFactorySpi dataStoreFactory = |
| 153 new ShapefileDataStoreFactory(); | |
| 150 | 154 |
| 151 String typeName = newDataStore.getTypeNames()[0]; | 155 ShapefileDataStore newDataStore = |
| 156 (ShapefileDataStore)dataStoreFactory.createNewDataStore(params); | |
| 157 newDataStore.createSchema(featureType); | |
| 152 | 158 |
| 153 FeatureStore<SimpleFeatureType, SimpleFeature> featureStore = | 159 transaction = new DefaultTransaction("create"); |
| 154 (FeatureStore<SimpleFeatureType, SimpleFeature>) | |
| 155 newDataStore.getFeatureSource(typeName); | |
| 156 | 160 |
| 157 featureStore.setTransaction(transaction); | 161 String typeName = newDataStore.getTypeNames()[0]; |
| 158 | 162 |
| 159 featureStore.addFeatures(collection); | 163 FeatureStore<SimpleFeatureType, SimpleFeature> featureStore = |
| 160 transaction.commit(); | 164 (FeatureStore<SimpleFeatureType, SimpleFeature>) |
| 165 newDataStore.getFeatureSource(typeName); | |
| 161 | 166 |
| 162 return true; | 167 featureStore.setTransaction(transaction); |
| 168 | |
| 169 featureStore.addFeatures(collection); | |
| 170 transaction.commit(); | |
| 171 | |
| 172 return true; | |
| 173 } | |
| 174 catch (MalformedURLException mue) { | |
| 175 logger.error("Unable to prepare shapefile: " + mue.getMessage()); | |
| 176 } | |
| 177 catch (IOException ioe) { | |
| 178 logger.error("Unable to write shapefile: " + ioe.getMessage()); | |
| 179 } | |
| 180 finally { | |
| 181 if (transaction != null) { | |
| 182 try { | |
| 183 logger.debug("XXX CLOSE TRANSACTION!"); | |
| 184 transaction.close(); | |
| 185 } | |
| 186 catch (IOException ioe) { /* do nothing */ } | |
| 187 } | |
| 188 } | |
| 189 | |
| 190 return false; | |
| 163 } | 191 } |
| 164 } | 192 } |
| 165 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 193 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |