public static <T extends GenericMutableDao> void readGtfs(
T entityStore, File resourcePath, String defaultAgencyId) throws IOException {
GtfsReader reader = new GtfsReader();
reader.setDefaultAgencyId(defaultAgencyId);
reader.setInputLocation(resourcePath);
reader.setEntityStore(entityStore);
reader.run();
}
/**
* Returns a {@link AgencyAndId} with the specified new id value and the appropriate agency id
* prefix. By default, we use the GTFS reader's default agency id. However, if the specified
* bean+property has an existing {@link AgencyAndId} value, we use the agency-id specified there.
*/
public AgencyAndId resolveAgencyAndId(BeanWrapper bean, String propertyName, String newId) {
GtfsReaderContext context = _reader.getGtfsReaderContext();
String agencyId = context.getDefaultAgencyId();
AgencyAndId existingId = (AgencyAndId) bean.getPropertyValue(propertyName);
if (existingId != null) {
agencyId = existingId.getAgencyId();
}
return new AgencyAndId(agencyId, newId);
}
/**
* Returns a {@link Converter} that can convert values to the target value type. If the target
* entity type + property has a custom converter defined in the GTFS entity schema, we will use
* that as instead.
*
* @param targetEntityType the target entity type whose property will be updated.
* @param targetPropertyName the target property name for the property that will be updated on the
* target entity.
* @param targetValueType the target value type we wish to convert to
*/
public Converter resolveConverter(
Class<?> targetEntityType, String targetPropertyName, Class<?> targetValueType) {
SingleFieldMapping mapping =
_schemaCache.getFieldMappingForCsvFieldName(targetEntityType, targetPropertyName);
if (mapping == null) {
mapping =
_schemaCache.getFieldMappingForObjectFieldName(targetEntityType, targetPropertyName);
}
if (mapping != null) {
if (mapping instanceof ConverterFactory) {
ConverterFactory factory = (ConverterFactory) mapping;
return factory.create(_reader.getContext());
}
if (mapping instanceof Converter) {
return (Converter) mapping;
}
}
return ConvertUtils.lookup(targetValueType);
}
@Override
public void run() {
if (_readers.isEmpty()) return;
try {
StoreImpl store = new StoreImpl(_store);
for (GtfsReader reader : _readers) {
reader.setEntityStore(store);
reader.addEntityHandler(new EntityCounter());
}
store.open();
List<Agency> agencies = new ArrayList<Agency>();
List<Class<?>> entityClasses = _readers.get(0).getEntityClasses();
for (Class<?> entityClass : entityClasses) {
_log.info("reading entities: " + entityClass.getName());
for (GtfsReader reader : _readers) {
// Pre-load the agencies, since one agency can be mentioned across
// multiple feeds
if (entityClass.equals(Agency.class)) reader.setAgencies(agencies);
reader.readEntities(entityClass);
if (entityClass.equals(Agency.class))
agencies = new ArrayList<Agency>(reader.getAgencies());
store.flush();
}
}
store.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
public void addGtfsReaderFromInputLocation(File inputLocation) throws IOException {
GtfsReader reader = new GtfsReader();
reader.setInputLocation(inputLocation);
addGtfsReader(reader);
}