Hello,
I have been working under the notion that this code will work fine for
processing a shapefile until I recently received an "Out of memory" exception.
I have already exhausted my heap sizes, is there a more efficient way to move
all features and all of their properties/attributes to a data structure?
Map<String, URL> connect = new HashMap<String, URL>();
Map<String,Serializable> connectParameters = new
HashMap<String,Serializable>();
try {
URL url = pFile.toURL();
connect.put("url", url);
connectParameters.put("url", pFile.toURI().toURL());
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
FeatureCollection<SimpleFeatureType, SimpleFeature>
featureCollection = null;
try {
DataStore dataStore =
DataStoreFinder.getDataStore(connectParameters);
String[] typeNames = dataStore.getTypeNames();
String typeName = typeNames[0];
FeatureSource featureSource =
dataStore.getFeatureSource( typeName );
featureCollection = featureSource.getFeatures();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
public List<Map<String, Object>> mPropertyValueList = new ArrayList<Map<String,
Object>>();
Map<String, Object> map = new HashMap<String, Object>();
for (Property property :
feature.getProperties()) {
String name =
property.getName().toString();
Object value =
feature.getAttribute( property.getName() );
map.put(name, value);
}
mPropertyValueList.add(map);
java.lang.OutOfMemoryError: Java heap space
at
com.vividsolutions.jts.geom.impl.CoordinateArraySequence.<init>(CoordinateArraySequence.java:75)
at
com.vividsolutions.jts.geom.impl.CoordinateArraySequenceFactory.create(CoordinateArraySequenceFactory.java:92)
at
org.geotools.data.shapefile.shp.PolygonHandler.read(PolygonHandler.java:174)
at
org.geotools.data.shapefile.shp.ShapefileReader$Record.shape(ShapefileReader.java:106)
at
org.geotools.data.shapefile.ShapefileAttributeReader.next(ShapefileAttributeReader.java:154)
at
org.geotools.data.shapefile.indexed.IndexedShapefileAttributeReader.next(IndexedShapefileAttributeReader.java:122)
at org.geotools.data.FIDFeatureReader.next(FIDFeatureReader.java:96)
at org.geotools.data.FIDFeatureReader.next(FIDFeatureReader.java:55)
at
org.geotools.data.store.FeatureReaderIterator.next(FeatureReaderIterator.java:71)
at
org.geotools.data.store.FeatureReaderIterator.next(FeatureReaderIterator.java:41)
at
org.geotools.feature.collection.DelegateFeatureIterator.next(DelegateFeatureIterator.java:58)
at
com.railinc.ba.geo.ShapefilePropertyValueFormatter.convertPropertyValue(ShapefilePropertyValueFormatter.java:56)
at
com.railinc.ba.geo.TestShapefilePropertyValueFormatter.testShapefileFormat(TestShapefilePropertyValueFormatter.java:19)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
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