/** Find the next feature */
private void findNext() {
if (nextFeature != null) {
return;
}
while (nextFeature == null) {
if (nextFC != null) {
if (ite.hasNext()) {
nextFeature = ite.next();
continue;
} else {
nextFC = null;
ite = null;
}
} else {
if (firstPass) { // first pass iterate on the original FeatureCollection
if (originalFI.hasNext()) {
nextFC = modify2(originalFI.next(), firstPass, featureList);
ite = nextFC.iterator();
} else {
firstPass = false;
}
} else {
if (unionFI.hasNext()) { // second pass iterate on the union FeatureCollection
nextFC = modify2(unionFI.next(), firstPass, featureList);
ite = nextFC.iterator();
} else {
break;
}
}
}
}
}
public void testReadFeatures() throws Exception {
FeatureCollection fc =
dataStore.createSession(false).getFeatureCollection(QueryBuilder.all(nsname(PERSON)));
assertEquals(2, fc.size());
FeatureIterator<SimpleFeature> fr = fc.iterator();
assertTrue(fr.hasNext());
SimpleFeature f = fr.next();
assertTrue(fr.hasNext());
f = fr.next();
assertFalse(fr.hasNext());
fr.close();
}
@Test
public void testRead() throws DataStoreException, NoSuchAuthorityCodeException, FactoryException {
final ExtendedDataStore store = new ExtendedDataStore(dataStore);
final Name name = DefaultName.valueOf("{http://www.geotoolkit.org/test}extsql");
assertFalse(store.getNames().contains(name));
// add a new query
final Query query =
QueryBuilder.language(
JDBCDataStore.CUSTOM_SQL,
"SELECT geometry as geo ,\"intProperty\" as it FROM custom",
name);
store.addQuery(query);
assertTrue(store.getNames().contains(name));
final FeatureType ft = store.getFeatureType(name);
final FeatureCollection col =
store.createSession(true).getFeatureCollection(QueryBuilder.all(name));
assertEquals(ft, col.getFeatureType());
assertEquals(3, col.size());
final FeatureIterator ite = col.iterator();
try {
while (ite.hasNext()) {
final Feature f = ite.next();
assertEquals(f.getType(), ft);
}
} finally {
ite.close();
}
}
/**
* @param featureCollection
* @param writer
* @param fragment : true if we write in a stream, dont write start and end elements
* @throws DataStoreException
*/
public Element writeFeatureCollection(
final FeatureCollection featureCollection, final boolean fragment, final boolean wfs)
throws DataStoreException, ParserConfigurationException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
// then we have to create document-loader:
factory.setNamespaceAware(false);
DocumentBuilder loader = factory.newDocumentBuilder();
// creating a new DOM-document...
Document document = loader.newDocument();
// the XML header
if (!fragment) {
document.setXmlVersion("1.0");
// writer.writeStartDocument("UTF-8", "1.0");
}
// the root Element
final Element rootElement;
if (wfs) {
rootElement = document.createElementNS("http://www.opengis.net/wfs", "FeatureCollection");
rootElement.setPrefix("wfs");
} else {
rootElement = document.createElementNS("http://www.opengis.net/gml", "FeatureCollection");
rootElement.setPrefix("gml");
}
document.appendChild(rootElement);
String collectionID = "";
if (featureCollection.getID() != null) {
collectionID = featureCollection.getID();
}
final Attr idAttribute = document.createAttributeNS(Namespaces.GML, "id");
idAttribute.setValue(collectionID);
idAttribute.setPrefix("gml");
rootElement.setAttributeNodeNS(idAttribute);
if (schemaLocation != null && !schemaLocation.equals("")) {
rootElement.setAttributeNS(
"http://www.w3.org/2001/XMLSchema-instance", "schemaLocation", schemaLocation);
}
/*FeatureType type = featureCollection.getFeatureType();
if (type != null && type.getName() != null) {
String namespace = type.getName().getNamespaceURI();
if (namespace != null && !namespace.equals(Namespaces.GML)) {
Prefix prefix = getPrefix(namespace);
writer.writeNamespace(prefix.prefix, namespace);
}
}*/
/*
* The boundedby part
*/
final Element boundElement = writeBounds(featureCollection.getEnvelope(), document);
if (boundElement != null) {
rootElement.appendChild(boundElement);
}
// we write each feature member of the collection
FeatureIterator iterator = featureCollection.iterator();
try {
while (iterator.hasNext()) {
final Feature f = iterator.next();
final Element memberElement = document.createElementNS(Namespaces.GML, "featureMember");
memberElement.setPrefix("gml");
memberElement.appendChild(writeFeature(f, document, true));
rootElement.appendChild(memberElement);
}
} finally {
// we close the stream
iterator.close();
}
return rootElement;
}